diff --git a/CHANGELOG.md b/CHANGELOG.md
index a692feb380a..272cdf894ed 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,16 @@
 # Changelog
 
+## 0.20.23
+
+* `Versions`:
+    * `Koin`: `3.5.0` -> `3.5.3`
+    * `Okio`: `3.6.0` -> `3.7.0`
+* `LanguageCodes`:
+    * Fixes in intermediate language codes (like `Chinese.Hans`)
+    * Rename `IetfLanguageCode` to `IetfLang`
+        * Rename all subsequent functions (including serializer)
+    * New lazy properties `knownLanguageCodesMap`, `knownLanguageCodesMapByLowerCasedKeys` and several others
+
 ## 0.20.22
 
 * `Common`:
diff --git a/gradle.properties b/gradle.properties
index d456fb7eac5..be84a3890cf 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -15,5 +15,5 @@ crypto_js_version=4.1.1
 # Project data
 
 group=dev.inmo
-version=0.20.22
-android_code_version=228
+version=0.20.23
+android_code_version=229
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index cc51a4a7db2..eadff0f3862 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -17,9 +17,9 @@ ktor = "2.3.7"
 
 gh-release = "2.4.1"
 
-koin = "3.5.0"
+koin = "3.5.3"
 
-okio = "3.6.0"
+okio = "3.7.0"
 
 ksp = "1.9.21-1.0.16"
 kotlin-poet = "1.15.3"
diff --git a/language_codes/generator/src/androidMain/kotlin/Main.kt b/language_codes/generator/src/main/kotlin/Main.kt
similarity index 56%
rename from language_codes/generator/src/androidMain/kotlin/Main.kt
rename to language_codes/generator/src/main/kotlin/Main.kt
index 8e32140a21e..061577e6fd2 100644
--- a/language_codes/generator/src/androidMain/kotlin/Main.kt
+++ b/language_codes/generator/src/main/kotlin/Main.kt
@@ -12,9 +12,12 @@ private val json = Json {
     ignoreUnknownKeys = true
 }
 
-private const val baseClassName = "IetfLanguageCode"
+private const val baseClassName = "IetfLang"
+private const val oldBaseClassName = "IetfLanguageCode"
 private const val unknownBaseClassName = "Unknown$baseClassName"
-private const val baseClassSerializerName = "IetfLanguageCodeSerializer"
+private const val oldUnknownBaseClassName = "Unknown$oldBaseClassName"
+private const val baseClassSerializerName = "${baseClassName}Serializer"
+private const val oldBaseClassSerializerName = "IetfLanguageCodeSerializer"
 private const val baseClassSerializerAnnotationName = "@Serializable(${baseClassSerializerName}::class)"
 
 @Serializable
@@ -78,14 +81,12 @@ private fun printLanguageCodeAndTags(
     indents: String = "    "
 ): String = if (tag.subtags.isEmpty()) {
 """${indents}${baseClassSerializerAnnotationName}
-${indents}object ${tag.title} : ${parent ?.title ?: baseClassName}() { override val code: String = "${tag.tag}"; override val withoutDialect: String get() = ${parent ?.title ?.let { "$it.code" } ?: "code"} }"""
+${indents}object ${tag.title} : ${parent ?.title ?: baseClassName}() { override val code: String = "${tag.tag}"${parent ?.let { parent -> "; override val parentLang: ${parent.title} get() = ${parent.title};" } ?: ""} }"""
 } else {
 """
 ${indents}${baseClassSerializerAnnotationName}
 ${indents}sealed class ${tag.title} : ${parent ?.title ?: baseClassName}() {
-${indents}    override val code: String = "${tag.tag}"
-${indents}    override val withoutDialect: String
-${indents}        get() = code
+${indents}    override val code: String = "${tag.tag}"${parent ?.let { parent -> "\n${indents}    override val parentLang: ${parent.title} get() = ${parent.title};" } ?: ""}
 
 ${tag.subtags.joinToString("\n") { printLanguageCodeAndTags(it, tag, "${indents}    ") }}
 
@@ -95,7 +96,7 @@ ${indents}}
 """
 }
 
-fun buildKtFileContent(tags: List<Tag>): String = """
+fun buildKtFileContent(tags: List<Tag>, prePackage: String): String = """
 import kotlinx.serialization.Serializable
 
 /**
@@ -106,20 +107,27 @@ import kotlinx.serialization.Serializable
 ${baseClassSerializerAnnotationName}
 sealed class $baseClassName {
     abstract val code: String
-    abstract val withoutDialect: String
+    open val parentLang: $baseClassName?
+        get() = null
+    open val withoutDialect: String
+        get() = parentLang ?.code ?: code
 
 ${tags.joinToString("\n") { printLanguageCodeAndTags(it, indents = "    ") } }
 
     $baseClassSerializerAnnotationName
     data class $unknownBaseClassName (override val code: String) : $baseClassName() {
-        override val withoutDialect: String = code.takeWhile { it != '-' }
+        override val parentLang = code.dropLastWhile { it != '-' }.removeSuffix("-").takeIf { it.length > 0 } ?.let(::$unknownBaseClassName)
     }
+    @Deprecated("Renamed", ReplaceWith("$baseClassName.$unknownBaseClassName", "${if (prePackage.isNotEmpty()) "$prePackage." else ""}$baseClassName.$unknownBaseClassName"))
+    val $oldUnknownBaseClassName = $unknownBaseClassName
 
     override fun toString() = code
 }
+@Deprecated("Renamed", ReplaceWith("$baseClassName", "${if (prePackage.isNotEmpty()) "$prePackage." else ""}$baseClassName"))
+typealias $oldBaseClassName = $baseClassName
 """.trimIndent()
 
-fun createStringConverterCode(tags: List<Tag>): String {
+fun createStringConverterCode(tags: List<Tag>, prePackage: String): String {
     fun createDeserializeVariantForTag(
         tag: Tag,
         pretitle: String = baseClassName,
@@ -128,19 +136,70 @@ fun createStringConverterCode(tags: List<Tag>): String {
         val currentTitle = "$pretitle.${tag.title}"
         return """${indents}$currentTitle.code -> $currentTitle${if (tag.subtags.isNotEmpty()) tag.subtags.joinToString("\n", "\n") { createDeserializeVariantForTag(it, currentTitle, indents) } else ""}"""
     }
-
-    return """fun String.as$baseClassName(): $baseClassName {
-    return when (this) {
-${tags.joinToString("\n") { createDeserializeVariantForTag(it) }}
-        else -> $baseClassName.${unknownBaseClassName}(this)
+    fun createInheritorVariantForTag(
+        tag: Tag,
+        pretitle: String = baseClassName,
+        indents: String = "        "
+    ): String {
+        val currentTitle = "$pretitle.${tag.title}"
+        val subtags = if (tag.subtags.isNotEmpty()) {
+            tag.subtags.joinToString(",\n", ",\n") { createInheritorVariantForTag(it, currentTitle, "$indents    ") }
+        } else {
+            ""
+        }
+        return "${indents}$currentTitle$subtags"
     }
+    fun createInheritorVariantForMapForTag(
+        tag: Tag,
+        pretitle: String = baseClassName,
+        indents: String = "        ",
+        codeSuffix: String = ""
+    ): String {
+        val currentTitle = "$pretitle.${tag.title}"
+        val subtags = if (tag.subtags.isNotEmpty()) {
+            tag.subtags.joinToString(",\n", ",\n") { createInheritorVariantForMapForTag(it, currentTitle, "$indents    ", codeSuffix) }
+        } else {
+            ""
+        }
+        return "${indents}$currentTitle.code${codeSuffix} to $currentTitle$subtags"
+    }
+
+    return """val knownLanguageCodesMap: Map<String, $baseClassName> by lazy {
+    mapOf(
+${tags.joinToString(",\n") { createInheritorVariantForMapForTag(it, indents = "        ") }}
+    )
 }
+val knownLanguageCodesMapByLowerCasedKeys: Map<String, $baseClassName> by lazy {
+    mapOf(
+${tags.joinToString(",\n") { createInheritorVariantForMapForTag(it, indents = "        ", codeSuffix = ".lowercase()") }}
+    )
+}
+val knownLanguageCodes: List<$baseClassName> by lazy {
+    knownLanguageCodesMap.values.toList()
+}
+
+fun String.as$baseClassName(): $baseClassName {
+    return knownLanguageCodesMap[this] ?: $baseClassName.${unknownBaseClassName}(this)
+}
+fun String.as${baseClassName}CaseInsensitive(): $baseClassName {
+    return knownLanguageCodesMapByLowerCasedKeys[this.lowercase()] ?: $baseClassName.${unknownBaseClassName}(this)
+}
+@Deprecated("Renamed", ReplaceWith("this.as$baseClassName()", "${if (prePackage.isNotEmpty()) "$prePackage." else ""}as$baseClassName"))
+fun String.as$oldBaseClassName(): $baseClassName = as$baseClassName()
+
 fun convertTo$baseClassName(code: String) = code.as$baseClassName()
+fun convertTo${baseClassName}CaseInsensitive(code: String) = code.as${baseClassName}CaseInsensitive()
+@Deprecated("Renamed", ReplaceWith("convertTo$baseClassName(code)", "${if (prePackage.isNotEmpty()) "$prePackage." else ""}convertTo$baseClassName"))
+fun convertTo$oldBaseClassName(code: String) = convertTo$baseClassName(code)
+
 fun $baseClassName(code: String) = code.as$baseClassName()
+fun ${baseClassName}CaseInsensitive(code: String) = code.as${baseClassName}CaseInsensitive()
+@Deprecated("Renamed", ReplaceWith("$baseClassName(code)", "${if (prePackage.isNotEmpty()) "$prePackage." else ""}$baseClassName"))
+fun $oldBaseClassName(code: String) = $baseClassName(code)
 """
 }
 
-fun createSerializerCode(tags: List<Tag>): String {
+fun createSerializerCode(tags: List<Tag>, prePackage: String): String {
     return """import kotlinx.serialization.KSerializer
 import kotlinx.serialization.builtins.serializer
 import kotlinx.serialization.encoding.Decoder
@@ -153,16 +212,20 @@ object $baseClassSerializerName : KSerializer<$baseClassName> {
         return $baseClassName(decoder.decodeString())
     }
 
-    override fun serialize(encoder: Encoder, value: IetfLanguageCode) {
+    override fun serialize(encoder: Encoder, value: $baseClassName) {
         encoder.encodeString(value.code)
     }
 }
+@Deprecated("Renamed", ReplaceWith("$baseClassSerializerName", "${if (prePackage.isNotEmpty()) "$prePackage." else ""}$baseClassSerializerName"))
+typealias $oldBaseClassSerializerName = $baseClassSerializerName
 """
 }
 
 suspend fun main(vararg args: String) {
     val outputFolder = args.firstOrNull() ?.let { File(it) }
     outputFolder ?.mkdirs()
+    val targetPackage = args.getOrNull(1)
+    val targetPackagePrefix = targetPackage ?.let { "package $it\n\n" } ?: ""
     val ietfLanguageCodesLink = "https://datahub.io/core/language-codes/r/language-codes.json"
     val ietfLanguageCodesAdditionalTagsLink = "https://datahub.io/core/language-codes/r/ietf-language-tags.json"
 
@@ -203,18 +266,18 @@ suspend fun main(vararg args: String) {
     File(outputFolder, "LanguageCodes.kt").apply {
         delete()
         createNewFile()
-        writeText(buildKtFileContent(tags))
+        writeText(targetPackagePrefix + buildKtFileContent(tags, targetPackage ?: ""))
     }
 
     File(outputFolder, "StringToLanguageCodes.kt").apply {
         delete()
         createNewFile()
-        writeText(createStringConverterCode(tags))
+        writeText(targetPackagePrefix + createStringConverterCode(tags, targetPackage ?: ""))
     }
 
     File(outputFolder, "$baseClassSerializerName.kt").apply {
         delete()
         createNewFile()
-        writeText(createSerializerCode(tags))
+        writeText(targetPackagePrefix + createSerializerCode(tags, targetPackage ?: ""))
     }
 }
diff --git a/language_codes/src/commonMain/kotlin/dev/inmo/micro_utils/language_codes/IetfLangSerializer.kt b/language_codes/src/commonMain/kotlin/dev/inmo/micro_utils/language_codes/IetfLangSerializer.kt
new file mode 100644
index 00000000000..c83e8c638f4
--- /dev/null
+++ b/language_codes/src/commonMain/kotlin/dev/inmo/micro_utils/language_codes/IetfLangSerializer.kt
@@ -0,0 +1,20 @@
+package dev.inmo.micro_utils.language_codes
+
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.builtins.serializer
+import kotlinx.serialization.encoding.Decoder
+import kotlinx.serialization.encoding.Encoder
+
+object IetfLangSerializer : KSerializer<IetfLang> {
+    override val descriptor = String.serializer().descriptor
+
+    override fun deserialize(decoder: Decoder): IetfLang {
+        return IetfLang(decoder.decodeString())
+    }
+
+    override fun serialize(encoder: Encoder, value: IetfLang) {
+        encoder.encodeString(value.code)
+    }
+}
+@Deprecated("Renamed", ReplaceWith("IetfLangSerializer", "dev.inmo.micro_utils.language_codes.IetfLangSerializer"))
+typealias IetfLanguageCodeSerializer = IetfLangSerializer
diff --git a/language_codes/src/commonMain/kotlin/dev/inmo/micro_utils/language_codes/IetfLanguageCodeSerializer.kt b/language_codes/src/commonMain/kotlin/dev/inmo/micro_utils/language_codes/IetfLanguageCodeSerializer.kt
deleted file mode 100644
index 8f6558cd911..00000000000
--- a/language_codes/src/commonMain/kotlin/dev/inmo/micro_utils/language_codes/IetfLanguageCodeSerializer.kt
+++ /dev/null
@@ -1,18 +0,0 @@
-package dev.inmo.micro_utils.language_codes
-
-import kotlinx.serialization.KSerializer
-import kotlinx.serialization.builtins.serializer
-import kotlinx.serialization.encoding.Decoder
-import kotlinx.serialization.encoding.Encoder
-
-object IetfLanguageCodeSerializer : KSerializer<IetfLanguageCode> {
-    override val descriptor = String.serializer().descriptor
-
-    override fun deserialize(decoder: Decoder): IetfLanguageCode {
-        return IetfLanguageCode(decoder.decodeString())
-    }
-
-    override fun serialize(encoder: Encoder, value: IetfLanguageCode) {
-        encoder.encodeString(value.code)
-    }
-}
diff --git a/language_codes/src/commonMain/kotlin/dev/inmo/micro_utils/language_codes/LanguageCodes.kt b/language_codes/src/commonMain/kotlin/dev/inmo/micro_utils/language_codes/LanguageCodes.kt
index 03f6d617e9b..bff6adc83f9 100644
--- a/language_codes/src/commonMain/kotlin/dev/inmo/micro_utils/language_codes/LanguageCodes.kt
+++ b/language_codes/src/commonMain/kotlin/dev/inmo/micro_utils/language_codes/LanguageCodes.kt
@@ -1,5 +1,3 @@
-@file:Suppress("SERIALIZER_TYPE_INCOMPATIBLE")
-
 package dev.inmo.micro_utils.language_codes
 
 import kotlinx.serialization.Serializable
@@ -9,2870 +7,2592 @@ import kotlinx.serialization.Serializable
  * https://github.com/InsanusMokrassar/MicroUtils/tree/master/language_codes/generator . This generator uses
  * https://datahub.io/core/language-codes/ files (base and tags) and create the whole hierarchy using it.
  */
-@Serializable(IetfLanguageCodeSerializer::class)
-sealed class IetfLanguageCode {
+@Serializable(IetfLangSerializer::class)
+sealed class IetfLang {
     abstract val code: String
-    abstract val withoutDialect: String
+    open val parentLang: IetfLang?
+        get() = null
+    open val withoutDialect: String
+        get() = parentLang ?.code ?: code
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Afar : IetfLanguageCode() { override val code: String = "aa"; override val withoutDialect: String get() = code }
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Abkhazian : IetfLanguageCode() { override val code: String = "ab"; override val withoutDialect: String get() = code }
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Avestan : IetfLanguageCode() { override val code: String = "ae"; override val withoutDialect: String get() = code }
+    @Serializable(IetfLangSerializer::class)
+    object Afar : IetfLang() { override val code: String = "aa" }
+    @Serializable(IetfLangSerializer::class)
+    object Abkhazian : IetfLang() { override val code: String = "ab" }
+    @Serializable(IetfLangSerializer::class)
+    object Avestan : IetfLang() { override val code: String = "ae" }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Afrikaans : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Afrikaans : IetfLang() {
         override val code: String = "af"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object NA : Afrikaans() { override val code: String = "af-NA"; override val withoutDialect: String get() = Afrikaans.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object ZA : Afrikaans() { override val code: String = "af-ZA"; override val withoutDialect: String get() = Afrikaans.code }
+        @Serializable(IetfLangSerializer::class)
+        object NA : Afrikaans() { override val code: String = "af-NA"; override val parentLang: Afrikaans get() = Afrikaans; }
+        @Serializable(IetfLangSerializer::class)
+        object ZA : Afrikaans() { override val code: String = "af-ZA"; override val parentLang: Afrikaans get() = Afrikaans; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Afrikaans()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Akan : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Akan : IetfLang() {
         override val code: String = "ak"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object GH : Akan() { override val code: String = "ak-GH"; override val withoutDialect: String get() = Akan.code }
+        @Serializable(IetfLangSerializer::class)
+        object GH : Akan() { override val code: String = "ak-GH"; override val parentLang: Akan get() = Akan; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Akan()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Amharic : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Amharic : IetfLang() {
         override val code: String = "am"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object ET : Amharic() { override val code: String = "am-ET"; override val withoutDialect: String get() = Amharic.code }
+        @Serializable(IetfLangSerializer::class)
+        object ET : Amharic() { override val code: String = "am-ET"; override val parentLang: Amharic get() = Amharic; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Amharic()
     }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Aragonese : IetfLanguageCode() { override val code: String = "an"; override val withoutDialect: String get() = code }
+    @Serializable(IetfLangSerializer::class)
+    object Aragonese : IetfLang() { override val code: String = "an" }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Arabic : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Arabic : IetfLang() {
         override val code: String = "ar"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object L001 : Arabic() { override val code: String = "ar-001"; override val withoutDialect: String get() = Arabic.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object AE : Arabic() { override val code: String = "ar-AE"; override val withoutDialect: String get() = Arabic.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object BH : Arabic() { override val code: String = "ar-BH"; override val withoutDialect: String get() = Arabic.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object DJ : Arabic() { override val code: String = "ar-DJ"; override val withoutDialect: String get() = Arabic.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object DZ : Arabic() { override val code: String = "ar-DZ"; override val withoutDialect: String get() = Arabic.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object EG : Arabic() { override val code: String = "ar-EG"; override val withoutDialect: String get() = Arabic.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object EH : Arabic() { override val code: String = "ar-EH"; override val withoutDialect: String get() = Arabic.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object ER : Arabic() { override val code: String = "ar-ER"; override val withoutDialect: String get() = Arabic.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object IL : Arabic() { override val code: String = "ar-IL"; override val withoutDialect: String get() = Arabic.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object IQ : Arabic() { override val code: String = "ar-IQ"; override val withoutDialect: String get() = Arabic.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object JO : Arabic() { override val code: String = "ar-JO"; override val withoutDialect: String get() = Arabic.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object KM : Arabic() { override val code: String = "ar-KM"; override val withoutDialect: String get() = Arabic.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object KW : Arabic() { override val code: String = "ar-KW"; override val withoutDialect: String get() = Arabic.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object LB : Arabic() { override val code: String = "ar-LB"; override val withoutDialect: String get() = Arabic.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object LY : Arabic() { override val code: String = "ar-LY"; override val withoutDialect: String get() = Arabic.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object MA : Arabic() { override val code: String = "ar-MA"; override val withoutDialect: String get() = Arabic.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object MR : Arabic() { override val code: String = "ar-MR"; override val withoutDialect: String get() = Arabic.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object OM : Arabic() { override val code: String = "ar-OM"; override val withoutDialect: String get() = Arabic.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object PS : Arabic() { override val code: String = "ar-PS"; override val withoutDialect: String get() = Arabic.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object QA : Arabic() { override val code: String = "ar-QA"; override val withoutDialect: String get() = Arabic.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object SA : Arabic() { override val code: String = "ar-SA"; override val withoutDialect: String get() = Arabic.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object SD : Arabic() { override val code: String = "ar-SD"; override val withoutDialect: String get() = Arabic.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object SO : Arabic() { override val code: String = "ar-SO"; override val withoutDialect: String get() = Arabic.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object SS : Arabic() { override val code: String = "ar-SS"; override val withoutDialect: String get() = Arabic.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object SY : Arabic() { override val code: String = "ar-SY"; override val withoutDialect: String get() = Arabic.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object TD : Arabic() { override val code: String = "ar-TD"; override val withoutDialect: String get() = Arabic.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object TN : Arabic() { override val code: String = "ar-TN"; override val withoutDialect: String get() = Arabic.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object YE : Arabic() { override val code: String = "ar-YE"; override val withoutDialect: String get() = Arabic.code }
+        @Serializable(IetfLangSerializer::class)
+        object L001 : Arabic() { override val code: String = "ar-001"; override val parentLang: Arabic get() = Arabic; }
+        @Serializable(IetfLangSerializer::class)
+        object AE : Arabic() { override val code: String = "ar-AE"; override val parentLang: Arabic get() = Arabic; }
+        @Serializable(IetfLangSerializer::class)
+        object BH : Arabic() { override val code: String = "ar-BH"; override val parentLang: Arabic get() = Arabic; }
+        @Serializable(IetfLangSerializer::class)
+        object DJ : Arabic() { override val code: String = "ar-DJ"; override val parentLang: Arabic get() = Arabic; }
+        @Serializable(IetfLangSerializer::class)
+        object DZ : Arabic() { override val code: String = "ar-DZ"; override val parentLang: Arabic get() = Arabic; }
+        @Serializable(IetfLangSerializer::class)
+        object EG : Arabic() { override val code: String = "ar-EG"; override val parentLang: Arabic get() = Arabic; }
+        @Serializable(IetfLangSerializer::class)
+        object EH : Arabic() { override val code: String = "ar-EH"; override val parentLang: Arabic get() = Arabic; }
+        @Serializable(IetfLangSerializer::class)
+        object ER : Arabic() { override val code: String = "ar-ER"; override val parentLang: Arabic get() = Arabic; }
+        @Serializable(IetfLangSerializer::class)
+        object IL : Arabic() { override val code: String = "ar-IL"; override val parentLang: Arabic get() = Arabic; }
+        @Serializable(IetfLangSerializer::class)
+        object IQ : Arabic() { override val code: String = "ar-IQ"; override val parentLang: Arabic get() = Arabic; }
+        @Serializable(IetfLangSerializer::class)
+        object JO : Arabic() { override val code: String = "ar-JO"; override val parentLang: Arabic get() = Arabic; }
+        @Serializable(IetfLangSerializer::class)
+        object KM : Arabic() { override val code: String = "ar-KM"; override val parentLang: Arabic get() = Arabic; }
+        @Serializable(IetfLangSerializer::class)
+        object KW : Arabic() { override val code: String = "ar-KW"; override val parentLang: Arabic get() = Arabic; }
+        @Serializable(IetfLangSerializer::class)
+        object LB : Arabic() { override val code: String = "ar-LB"; override val parentLang: Arabic get() = Arabic; }
+        @Serializable(IetfLangSerializer::class)
+        object LY : Arabic() { override val code: String = "ar-LY"; override val parentLang: Arabic get() = Arabic; }
+        @Serializable(IetfLangSerializer::class)
+        object MA : Arabic() { override val code: String = "ar-MA"; override val parentLang: Arabic get() = Arabic; }
+        @Serializable(IetfLangSerializer::class)
+        object MR : Arabic() { override val code: String = "ar-MR"; override val parentLang: Arabic get() = Arabic; }
+        @Serializable(IetfLangSerializer::class)
+        object OM : Arabic() { override val code: String = "ar-OM"; override val parentLang: Arabic get() = Arabic; }
+        @Serializable(IetfLangSerializer::class)
+        object PS : Arabic() { override val code: String = "ar-PS"; override val parentLang: Arabic get() = Arabic; }
+        @Serializable(IetfLangSerializer::class)
+        object QA : Arabic() { override val code: String = "ar-QA"; override val parentLang: Arabic get() = Arabic; }
+        @Serializable(IetfLangSerializer::class)
+        object SA : Arabic() { override val code: String = "ar-SA"; override val parentLang: Arabic get() = Arabic; }
+        @Serializable(IetfLangSerializer::class)
+        object SD : Arabic() { override val code: String = "ar-SD"; override val parentLang: Arabic get() = Arabic; }
+        @Serializable(IetfLangSerializer::class)
+        object SO : Arabic() { override val code: String = "ar-SO"; override val parentLang: Arabic get() = Arabic; }
+        @Serializable(IetfLangSerializer::class)
+        object SS : Arabic() { override val code: String = "ar-SS"; override val parentLang: Arabic get() = Arabic; }
+        @Serializable(IetfLangSerializer::class)
+        object SY : Arabic() { override val code: String = "ar-SY"; override val parentLang: Arabic get() = Arabic; }
+        @Serializable(IetfLangSerializer::class)
+        object TD : Arabic() { override val code: String = "ar-TD"; override val parentLang: Arabic get() = Arabic; }
+        @Serializable(IetfLangSerializer::class)
+        object TN : Arabic() { override val code: String = "ar-TN"; override val parentLang: Arabic get() = Arabic; }
+        @Serializable(IetfLangSerializer::class)
+        object YE : Arabic() { override val code: String = "ar-YE"; override val parentLang: Arabic get() = Arabic; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Arabic()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Assamese : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Assamese : IetfLang() {
         override val code: String = "as"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object IN : Assamese() { override val code: String = "as-IN"; override val withoutDialect: String get() = Assamese.code }
+        @Serializable(IetfLangSerializer::class)
+        object IN : Assamese() { override val code: String = "as-IN"; override val parentLang: Assamese get() = Assamese; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Assamese()
     }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Avaric : IetfLanguageCode() { override val code: String = "av"; override val withoutDialect: String get() = code }
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Aymara : IetfLanguageCode() { override val code: String = "ay"; override val withoutDialect: String get() = code }
+    @Serializable(IetfLangSerializer::class)
+    object Avaric : IetfLang() { override val code: String = "av" }
+    @Serializable(IetfLangSerializer::class)
+    object Aymara : IetfLang() { override val code: String = "ay" }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Azerbaijani : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Azerbaijani : IetfLang() {
         override val code: String = "az"
-        override val withoutDialect: String
-            get() = code
 
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         sealed class Cyrl : Azerbaijani() {
             override val code: String = "az-Cyrl"
-            override val withoutDialect: String
-                get() = code
+            override val parentLang: Azerbaijani get() = Azerbaijani;
 
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object AZ : Cyrl() { override val code: String = "az-Cyrl-AZ"; override val withoutDialect: String get() = Cyrl.code }
+            @Serializable(IetfLangSerializer::class)
+            object AZ : Cyrl() { override val code: String = "az-Cyrl-AZ"; override val parentLang: Cyrl get() = Cyrl; }
 
-            @Serializable(IetfLanguageCodeSerializer::class)
+            @Serializable(IetfLangSerializer::class)
             companion object : Cyrl()
         }
 
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         sealed class Latn : Azerbaijani() {
             override val code: String = "az-Latn"
-            override val withoutDialect: String
-                get() = code
+            override val parentLang: Azerbaijani get() = Azerbaijani;
 
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object AZ : Latn() { override val code: String = "az-Latn-AZ"; override val withoutDialect: String get() = Latn.code }
+            @Serializable(IetfLangSerializer::class)
+            object AZ : Latn() { override val code: String = "az-Latn-AZ"; override val parentLang: Latn get() = Latn; }
 
-            @Serializable(IetfLanguageCodeSerializer::class)
+            @Serializable(IetfLangSerializer::class)
             companion object : Latn()
         }
 
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Azerbaijani()
     }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Bashkir : IetfLanguageCode() { override val code: String = "ba"; override val withoutDialect: String get() = code }
+    @Serializable(IetfLangSerializer::class)
+    object Bashkir : IetfLang() { override val code: String = "ba" }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Belarusian : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Belarusian : IetfLang() {
         override val code: String = "be"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object BY : Belarusian() { override val code: String = "be-BY"; override val withoutDialect: String get() = Belarusian.code }
+        @Serializable(IetfLangSerializer::class)
+        object BY : Belarusian() { override val code: String = "be-BY"; override val parentLang: Belarusian get() = Belarusian; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Belarusian()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Bulgarian : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Bulgarian : IetfLang() {
         override val code: String = "bg"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object BG : Bulgarian() { override val code: String = "bg-BG"; override val withoutDialect: String get() = Bulgarian.code }
+        @Serializable(IetfLangSerializer::class)
+        object BG : Bulgarian() { override val code: String = "bg-BG"; override val parentLang: Bulgarian get() = Bulgarian; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Bulgarian()
     }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object BihariLanguages : IetfLanguageCode() { override val code: String = "bh"; override val withoutDialect: String get() = code }
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Bislama : IetfLanguageCode() { override val code: String = "bi"; override val withoutDialect: String get() = code }
+    @Serializable(IetfLangSerializer::class)
+    object BihariLanguages : IetfLang() { override val code: String = "bh" }
+    @Serializable(IetfLangSerializer::class)
+    object Bislama : IetfLang() { override val code: String = "bi" }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Bambara : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Bambara : IetfLang() {
         override val code: String = "bm"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object ML : Bambara() { override val code: String = "bm-ML"; override val withoutDialect: String get() = Bambara.code }
+        @Serializable(IetfLangSerializer::class)
+        object ML : Bambara() { override val code: String = "bm-ML"; override val parentLang: Bambara get() = Bambara; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Bambara()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Bengali : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Bengali : IetfLang() {
         override val code: String = "bn"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object BD : Bengali() { override val code: String = "bn-BD"; override val withoutDialect: String get() = Bengali.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object IN : Bengali() { override val code: String = "bn-IN"; override val withoutDialect: String get() = Bengali.code }
+        @Serializable(IetfLangSerializer::class)
+        object BD : Bengali() { override val code: String = "bn-BD"; override val parentLang: Bengali get() = Bengali; }
+        @Serializable(IetfLangSerializer::class)
+        object IN : Bengali() { override val code: String = "bn-IN"; override val parentLang: Bengali get() = Bengali; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Bengali()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Tibetan : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Tibetan : IetfLang() {
         override val code: String = "bo"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object CN : Tibetan() { override val code: String = "bo-CN"; override val withoutDialect: String get() = Tibetan.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object IN : Tibetan() { override val code: String = "bo-IN"; override val withoutDialect: String get() = Tibetan.code }
+        @Serializable(IetfLangSerializer::class)
+        object CN : Tibetan() { override val code: String = "bo-CN"; override val parentLang: Tibetan get() = Tibetan; }
+        @Serializable(IetfLangSerializer::class)
+        object IN : Tibetan() { override val code: String = "bo-IN"; override val parentLang: Tibetan get() = Tibetan; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Tibetan()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Breton : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Breton : IetfLang() {
         override val code: String = "br"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object FR : Breton() { override val code: String = "br-FR"; override val withoutDialect: String get() = Breton.code }
+        @Serializable(IetfLangSerializer::class)
+        object FR : Breton() { override val code: String = "br-FR"; override val parentLang: Breton get() = Breton; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Breton()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Bosnian : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Bosnian : IetfLang() {
         override val code: String = "bs"
-        override val withoutDialect: String
-            get() = code
 
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         sealed class Cyrl : Bosnian() {
             override val code: String = "bs-Cyrl"
-            override val withoutDialect: String
-                get() = code
+            override val parentLang: Bosnian get() = Bosnian;
 
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object BA : Cyrl() { override val code: String = "bs-Cyrl-BA"; override val withoutDialect: String get() = Cyrl.code }
+            @Serializable(IetfLangSerializer::class)
+            object BA : Cyrl() { override val code: String = "bs-Cyrl-BA"; override val parentLang: Cyrl get() = Cyrl; }
 
-            @Serializable(IetfLanguageCodeSerializer::class)
+            @Serializable(IetfLangSerializer::class)
             companion object : Cyrl()
         }
 
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         sealed class Latn : Bosnian() {
             override val code: String = "bs-Latn"
-            override val withoutDialect: String
-                get() = code
+            override val parentLang: Bosnian get() = Bosnian;
 
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object BA : Latn() { override val code: String = "bs-Latn-BA"; override val withoutDialect: String get() = Latn.code }
+            @Serializable(IetfLangSerializer::class)
+            object BA : Latn() { override val code: String = "bs-Latn-BA"; override val parentLang: Latn get() = Latn; }
 
-            @Serializable(IetfLanguageCodeSerializer::class)
+            @Serializable(IetfLangSerializer::class)
             companion object : Latn()
         }
 
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Bosnian()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class CatalanValencian : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class CatalanValencian : IetfLang() {
         override val code: String = "ca"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object AD : CatalanValencian() { override val code: String = "ca-AD"; override val withoutDialect: String get() = CatalanValencian.code }
+        @Serializable(IetfLangSerializer::class)
+        object AD : CatalanValencian() { override val code: String = "ca-AD"; override val parentLang: CatalanValencian get() = CatalanValencian; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         sealed class ES : CatalanValencian() {
             override val code: String = "ca-ES"
-            override val withoutDialect: String
-                get() = code
+            override val parentLang: CatalanValencian get() = CatalanValencian;
 
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object VALENCIA : ES() { override val code: String = "ca-ES-VALENCIA"; override val withoutDialect: String get() = ES.code }
+            @Serializable(IetfLangSerializer::class)
+            object VALENCIA : ES() { override val code: String = "ca-ES-VALENCIA"; override val parentLang: ES get() = ES; }
 
-            @Serializable(IetfLanguageCodeSerializer::class)
+            @Serializable(IetfLangSerializer::class)
             companion object : ES()
         }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object FR : CatalanValencian() { override val code: String = "ca-FR"; override val withoutDialect: String get() = CatalanValencian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object IT : CatalanValencian() { override val code: String = "ca-IT"; override val withoutDialect: String get() = CatalanValencian.code }
+        @Serializable(IetfLangSerializer::class)
+        object FR : CatalanValencian() { override val code: String = "ca-FR"; override val parentLang: CatalanValencian get() = CatalanValencian; }
+        @Serializable(IetfLangSerializer::class)
+        object IT : CatalanValencian() { override val code: String = "ca-IT"; override val parentLang: CatalanValencian get() = CatalanValencian; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : CatalanValencian()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Chechen : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Chechen : IetfLang() {
         override val code: String = "ce"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object RU : Chechen() { override val code: String = "ce-RU"; override val withoutDialect: String get() = Chechen.code }
+        @Serializable(IetfLangSerializer::class)
+        object RU : Chechen() { override val code: String = "ce-RU"; override val parentLang: Chechen get() = Chechen; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Chechen()
     }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Chamorro : IetfLanguageCode() { override val code: String = "ch"; override val withoutDialect: String get() = code }
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Corsican : IetfLanguageCode() { override val code: String = "co"; override val withoutDialect: String get() = code }
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Cree : IetfLanguageCode() { override val code: String = "cr"; override val withoutDialect: String get() = code }
+    @Serializable(IetfLangSerializer::class)
+    object Chamorro : IetfLang() { override val code: String = "ch" }
+    @Serializable(IetfLangSerializer::class)
+    object Corsican : IetfLang() { override val code: String = "co" }
+    @Serializable(IetfLangSerializer::class)
+    object Cree : IetfLang() { override val code: String = "cr" }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Czech : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Czech : IetfLang() {
         override val code: String = "cs"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object CZ : Czech() { override val code: String = "cs-CZ"; override val withoutDialect: String get() = Czech.code }
+        @Serializable(IetfLangSerializer::class)
+        object CZ : Czech() { override val code: String = "cs-CZ"; override val parentLang: Czech get() = Czech; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Czech()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class ChurchSlavicOldSlavonicChurchSlavonicOldBulgarianOldChurchSlavonic : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class ChurchSlavicOldSlavonicChurchSlavonicOldBulgarianOldChurchSlavonic : IetfLang() {
         override val code: String = "cu"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object RU : ChurchSlavicOldSlavonicChurchSlavonicOldBulgarianOldChurchSlavonic() { override val code: String = "cu-RU"; override val withoutDialect: String get() = ChurchSlavicOldSlavonicChurchSlavonicOldBulgarianOldChurchSlavonic.code }
+        @Serializable(IetfLangSerializer::class)
+        object RU : ChurchSlavicOldSlavonicChurchSlavonicOldBulgarianOldChurchSlavonic() { override val code: String = "cu-RU"; override val parentLang: ChurchSlavicOldSlavonicChurchSlavonicOldBulgarianOldChurchSlavonic get() = ChurchSlavicOldSlavonicChurchSlavonicOldBulgarianOldChurchSlavonic; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : ChurchSlavicOldSlavonicChurchSlavonicOldBulgarianOldChurchSlavonic()
     }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Chuvash : IetfLanguageCode() { override val code: String = "cv"; override val withoutDialect: String get() = code }
+    @Serializable(IetfLangSerializer::class)
+    object Chuvash : IetfLang() { override val code: String = "cv" }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Welsh : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Welsh : IetfLang() {
         override val code: String = "cy"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object GB : Welsh() { override val code: String = "cy-GB"; override val withoutDialect: String get() = Welsh.code }
+        @Serializable(IetfLangSerializer::class)
+        object GB : Welsh() { override val code: String = "cy-GB"; override val parentLang: Welsh get() = Welsh; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Welsh()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Danish : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Danish : IetfLang() {
         override val code: String = "da"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object DK : Danish() { override val code: String = "da-DK"; override val withoutDialect: String get() = Danish.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object GL : Danish() { override val code: String = "da-GL"; override val withoutDialect: String get() = Danish.code }
+        @Serializable(IetfLangSerializer::class)
+        object DK : Danish() { override val code: String = "da-DK"; override val parentLang: Danish get() = Danish; }
+        @Serializable(IetfLangSerializer::class)
+        object GL : Danish() { override val code: String = "da-GL"; override val parentLang: Danish get() = Danish; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Danish()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class German : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class German : IetfLang() {
         override val code: String = "de"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object AT : German() { override val code: String = "de-AT"; override val withoutDialect: String get() = German.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object BE : German() { override val code: String = "de-BE"; override val withoutDialect: String get() = German.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object CH : German() { override val code: String = "de-CH"; override val withoutDialect: String get() = German.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object DE : German() { override val code: String = "de-DE"; override val withoutDialect: String get() = German.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object IT : German() { override val code: String = "de-IT"; override val withoutDialect: String get() = German.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object LI : German() { override val code: String = "de-LI"; override val withoutDialect: String get() = German.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object LU : German() { override val code: String = "de-LU"; override val withoutDialect: String get() = German.code }
+        @Serializable(IetfLangSerializer::class)
+        object AT : German() { override val code: String = "de-AT"; override val parentLang: German get() = German; }
+        @Serializable(IetfLangSerializer::class)
+        object BE : German() { override val code: String = "de-BE"; override val parentLang: German get() = German; }
+        @Serializable(IetfLangSerializer::class)
+        object CH : German() { override val code: String = "de-CH"; override val parentLang: German get() = German; }
+        @Serializable(IetfLangSerializer::class)
+        object DE : German() { override val code: String = "de-DE"; override val parentLang: German get() = German; }
+        @Serializable(IetfLangSerializer::class)
+        object IT : German() { override val code: String = "de-IT"; override val parentLang: German get() = German; }
+        @Serializable(IetfLangSerializer::class)
+        object LI : German() { override val code: String = "de-LI"; override val parentLang: German get() = German; }
+        @Serializable(IetfLangSerializer::class)
+        object LU : German() { override val code: String = "de-LU"; override val parentLang: German get() = German; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : German()
     }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object DivehiDhivehiMaldivian : IetfLanguageCode() { override val code: String = "dv"; override val withoutDialect: String get() = code }
+    @Serializable(IetfLangSerializer::class)
+    object DivehiDhivehiMaldivian : IetfLang() { override val code: String = "dv" }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Dzongkha : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Dzongkha : IetfLang() {
         override val code: String = "dz"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object BT : Dzongkha() { override val code: String = "dz-BT"; override val withoutDialect: String get() = Dzongkha.code }
+        @Serializable(IetfLangSerializer::class)
+        object BT : Dzongkha() { override val code: String = "dz-BT"; override val parentLang: Dzongkha get() = Dzongkha; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Dzongkha()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Ewe : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Ewe : IetfLang() {
         override val code: String = "ee"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object GH : Ewe() { override val code: String = "ee-GH"; override val withoutDialect: String get() = Ewe.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object TG : Ewe() { override val code: String = "ee-TG"; override val withoutDialect: String get() = Ewe.code }
+        @Serializable(IetfLangSerializer::class)
+        object GH : Ewe() { override val code: String = "ee-GH"; override val parentLang: Ewe get() = Ewe; }
+        @Serializable(IetfLangSerializer::class)
+        object TG : Ewe() { override val code: String = "ee-TG"; override val parentLang: Ewe get() = Ewe; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Ewe()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class GreekModern1453 : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class GreekModern1453 : IetfLang() {
         override val code: String = "el"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object CY : GreekModern1453() { override val code: String = "el-CY"; override val withoutDialect: String get() = GreekModern1453.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object GR : GreekModern1453() { override val code: String = "el-GR"; override val withoutDialect: String get() = GreekModern1453.code }
+        @Serializable(IetfLangSerializer::class)
+        object CY : GreekModern1453() { override val code: String = "el-CY"; override val parentLang: GreekModern1453 get() = GreekModern1453; }
+        @Serializable(IetfLangSerializer::class)
+        object GR : GreekModern1453() { override val code: String = "el-GR"; override val parentLang: GreekModern1453 get() = GreekModern1453; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : GreekModern1453()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class English : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class English : IetfLang() {
         override val code: String = "en"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object L001 : English() { override val code: String = "en-001"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object L150 : English() { override val code: String = "en-150"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object AE : English() { override val code: String = "en-AE"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object AG : English() { override val code: String = "en-AG"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object AI : English() { override val code: String = "en-AI"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object AS : English() { override val code: String = "en-AS"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object AT : English() { override val code: String = "en-AT"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object AU : English() { override val code: String = "en-AU"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object BB : English() { override val code: String = "en-BB"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object BE : English() { override val code: String = "en-BE"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object BI : English() { override val code: String = "en-BI"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object BM : English() { override val code: String = "en-BM"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object BS : English() { override val code: String = "en-BS"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object BW : English() { override val code: String = "en-BW"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object BZ : English() { override val code: String = "en-BZ"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object CA : English() { override val code: String = "en-CA"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object CC : English() { override val code: String = "en-CC"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object CH : English() { override val code: String = "en-CH"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object CK : English() { override val code: String = "en-CK"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object CM : English() { override val code: String = "en-CM"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object CX : English() { override val code: String = "en-CX"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object CY : English() { override val code: String = "en-CY"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object DE : English() { override val code: String = "en-DE"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object DG : English() { override val code: String = "en-DG"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object DK : English() { override val code: String = "en-DK"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object DM : English() { override val code: String = "en-DM"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object ER : English() { override val code: String = "en-ER"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object FI : English() { override val code: String = "en-FI"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object FJ : English() { override val code: String = "en-FJ"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object FK : English() { override val code: String = "en-FK"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object FM : English() { override val code: String = "en-FM"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object GB : English() { override val code: String = "en-GB"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object GD : English() { override val code: String = "en-GD"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object GG : English() { override val code: String = "en-GG"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object GH : English() { override val code: String = "en-GH"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object GI : English() { override val code: String = "en-GI"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object GM : English() { override val code: String = "en-GM"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object GU : English() { override val code: String = "en-GU"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object GY : English() { override val code: String = "en-GY"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object HK : English() { override val code: String = "en-HK"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object IE : English() { override val code: String = "en-IE"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object IL : English() { override val code: String = "en-IL"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object IM : English() { override val code: String = "en-IM"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object IN : English() { override val code: String = "en-IN"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object IO : English() { override val code: String = "en-IO"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object JE : English() { override val code: String = "en-JE"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object JM : English() { override val code: String = "en-JM"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object KE : English() { override val code: String = "en-KE"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object KI : English() { override val code: String = "en-KI"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object KN : English() { override val code: String = "en-KN"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object KY : English() { override val code: String = "en-KY"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object LC : English() { override val code: String = "en-LC"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object LR : English() { override val code: String = "en-LR"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object LS : English() { override val code: String = "en-LS"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object MG : English() { override val code: String = "en-MG"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object MH : English() { override val code: String = "en-MH"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object MO : English() { override val code: String = "en-MO"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object MP : English() { override val code: String = "en-MP"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object MS : English() { override val code: String = "en-MS"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object MT : English() { override val code: String = "en-MT"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object MU : English() { override val code: String = "en-MU"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object MW : English() { override val code: String = "en-MW"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object MY : English() { override val code: String = "en-MY"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object NA : English() { override val code: String = "en-NA"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object NF : English() { override val code: String = "en-NF"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object NG : English() { override val code: String = "en-NG"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object NL : English() { override val code: String = "en-NL"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object NR : English() { override val code: String = "en-NR"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object NU : English() { override val code: String = "en-NU"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object NZ : English() { override val code: String = "en-NZ"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object PG : English() { override val code: String = "en-PG"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object PH : English() { override val code: String = "en-PH"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object PK : English() { override val code: String = "en-PK"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object PN : English() { override val code: String = "en-PN"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object PR : English() { override val code: String = "en-PR"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object PW : English() { override val code: String = "en-PW"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object RW : English() { override val code: String = "en-RW"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object SB : English() { override val code: String = "en-SB"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object SC : English() { override val code: String = "en-SC"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object SD : English() { override val code: String = "en-SD"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object SE : English() { override val code: String = "en-SE"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object SG : English() { override val code: String = "en-SG"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object SH : English() { override val code: String = "en-SH"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object SI : English() { override val code: String = "en-SI"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object SL : English() { override val code: String = "en-SL"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object SS : English() { override val code: String = "en-SS"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object SX : English() { override val code: String = "en-SX"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object SZ : English() { override val code: String = "en-SZ"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object TC : English() { override val code: String = "en-TC"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object TK : English() { override val code: String = "en-TK"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object TO : English() { override val code: String = "en-TO"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object TT : English() { override val code: String = "en-TT"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object TV : English() { override val code: String = "en-TV"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object TZ : English() { override val code: String = "en-TZ"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object UG : English() { override val code: String = "en-UG"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object UM : English() { override val code: String = "en-UM"; override val withoutDialect: String get() = English.code }
+        @Serializable(IetfLangSerializer::class)
+        object L001 : English() { override val code: String = "en-001"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object L150 : English() { override val code: String = "en-150"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object AE : English() { override val code: String = "en-AE"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object AG : English() { override val code: String = "en-AG"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object AI : English() { override val code: String = "en-AI"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object AS : English() { override val code: String = "en-AS"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object AT : English() { override val code: String = "en-AT"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object AU : English() { override val code: String = "en-AU"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object BB : English() { override val code: String = "en-BB"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object BE : English() { override val code: String = "en-BE"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object BI : English() { override val code: String = "en-BI"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object BM : English() { override val code: String = "en-BM"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object BS : English() { override val code: String = "en-BS"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object BW : English() { override val code: String = "en-BW"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object BZ : English() { override val code: String = "en-BZ"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object CA : English() { override val code: String = "en-CA"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object CC : English() { override val code: String = "en-CC"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object CH : English() { override val code: String = "en-CH"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object CK : English() { override val code: String = "en-CK"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object CM : English() { override val code: String = "en-CM"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object CX : English() { override val code: String = "en-CX"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object CY : English() { override val code: String = "en-CY"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object DE : English() { override val code: String = "en-DE"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object DG : English() { override val code: String = "en-DG"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object DK : English() { override val code: String = "en-DK"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object DM : English() { override val code: String = "en-DM"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object ER : English() { override val code: String = "en-ER"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object FI : English() { override val code: String = "en-FI"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object FJ : English() { override val code: String = "en-FJ"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object FK : English() { override val code: String = "en-FK"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object FM : English() { override val code: String = "en-FM"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object GB : English() { override val code: String = "en-GB"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object GD : English() { override val code: String = "en-GD"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object GG : English() { override val code: String = "en-GG"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object GH : English() { override val code: String = "en-GH"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object GI : English() { override val code: String = "en-GI"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object GM : English() { override val code: String = "en-GM"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object GU : English() { override val code: String = "en-GU"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object GY : English() { override val code: String = "en-GY"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object HK : English() { override val code: String = "en-HK"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object IE : English() { override val code: String = "en-IE"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object IL : English() { override val code: String = "en-IL"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object IM : English() { override val code: String = "en-IM"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object IN : English() { override val code: String = "en-IN"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object IO : English() { override val code: String = "en-IO"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object JE : English() { override val code: String = "en-JE"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object JM : English() { override val code: String = "en-JM"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object KE : English() { override val code: String = "en-KE"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object KI : English() { override val code: String = "en-KI"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object KN : English() { override val code: String = "en-KN"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object KY : English() { override val code: String = "en-KY"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object LC : English() { override val code: String = "en-LC"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object LR : English() { override val code: String = "en-LR"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object LS : English() { override val code: String = "en-LS"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object MG : English() { override val code: String = "en-MG"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object MH : English() { override val code: String = "en-MH"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object MO : English() { override val code: String = "en-MO"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object MP : English() { override val code: String = "en-MP"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object MS : English() { override val code: String = "en-MS"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object MT : English() { override val code: String = "en-MT"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object MU : English() { override val code: String = "en-MU"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object MW : English() { override val code: String = "en-MW"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object MY : English() { override val code: String = "en-MY"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object NA : English() { override val code: String = "en-NA"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object NF : English() { override val code: String = "en-NF"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object NG : English() { override val code: String = "en-NG"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object NL : English() { override val code: String = "en-NL"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object NR : English() { override val code: String = "en-NR"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object NU : English() { override val code: String = "en-NU"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object NZ : English() { override val code: String = "en-NZ"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object PG : English() { override val code: String = "en-PG"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object PH : English() { override val code: String = "en-PH"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object PK : English() { override val code: String = "en-PK"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object PN : English() { override val code: String = "en-PN"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object PR : English() { override val code: String = "en-PR"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object PW : English() { override val code: String = "en-PW"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object RW : English() { override val code: String = "en-RW"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object SB : English() { override val code: String = "en-SB"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object SC : English() { override val code: String = "en-SC"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object SD : English() { override val code: String = "en-SD"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object SE : English() { override val code: String = "en-SE"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object SG : English() { override val code: String = "en-SG"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object SH : English() { override val code: String = "en-SH"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object SI : English() { override val code: String = "en-SI"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object SL : English() { override val code: String = "en-SL"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object SS : English() { override val code: String = "en-SS"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object SX : English() { override val code: String = "en-SX"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object SZ : English() { override val code: String = "en-SZ"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object TC : English() { override val code: String = "en-TC"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object TK : English() { override val code: String = "en-TK"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object TO : English() { override val code: String = "en-TO"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object TT : English() { override val code: String = "en-TT"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object TV : English() { override val code: String = "en-TV"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object TZ : English() { override val code: String = "en-TZ"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object UG : English() { override val code: String = "en-UG"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object UM : English() { override val code: String = "en-UM"; override val parentLang: English get() = English; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         sealed class US : English() {
             override val code: String = "en-US"
-            override val withoutDialect: String
-                get() = code
+            override val parentLang: English get() = English;
 
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object POSIX : US() { override val code: String = "en-US-POSIX"; override val withoutDialect: String get() = US.code }
+            @Serializable(IetfLangSerializer::class)
+            object POSIX : US() { override val code: String = "en-US-POSIX"; override val parentLang: US get() = US; }
 
-            @Serializable(IetfLanguageCodeSerializer::class)
+            @Serializable(IetfLangSerializer::class)
             companion object : US()
         }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object VC : English() { override val code: String = "en-VC"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object VG : English() { override val code: String = "en-VG"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object VI : English() { override val code: String = "en-VI"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object VU : English() { override val code: String = "en-VU"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object WS : English() { override val code: String = "en-WS"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object ZA : English() { override val code: String = "en-ZA"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object ZM : English() { override val code: String = "en-ZM"; override val withoutDialect: String get() = English.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object ZW : English() { override val code: String = "en-ZW"; override val withoutDialect: String get() = English.code }
+        @Serializable(IetfLangSerializer::class)
+        object VC : English() { override val code: String = "en-VC"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object VG : English() { override val code: String = "en-VG"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object VI : English() { override val code: String = "en-VI"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object VU : English() { override val code: String = "en-VU"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object WS : English() { override val code: String = "en-WS"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object ZA : English() { override val code: String = "en-ZA"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object ZM : English() { override val code: String = "en-ZM"; override val parentLang: English get() = English; }
+        @Serializable(IetfLangSerializer::class)
+        object ZW : English() { override val code: String = "en-ZW"; override val parentLang: English get() = English; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : English()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Esperanto : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Esperanto : IetfLang() {
         override val code: String = "eo"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object L001 : Esperanto() { override val code: String = "eo-001"; override val withoutDialect: String get() = Esperanto.code }
+        @Serializable(IetfLangSerializer::class)
+        object L001 : Esperanto() { override val code: String = "eo-001"; override val parentLang: Esperanto get() = Esperanto; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Esperanto()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class SpanishCastilian : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class SpanishCastilian : IetfLang() {
         override val code: String = "es"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object L419 : SpanishCastilian() { override val code: String = "es-419"; override val withoutDialect: String get() = SpanishCastilian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object AR : SpanishCastilian() { override val code: String = "es-AR"; override val withoutDialect: String get() = SpanishCastilian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object BO : SpanishCastilian() { override val code: String = "es-BO"; override val withoutDialect: String get() = SpanishCastilian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object BR : SpanishCastilian() { override val code: String = "es-BR"; override val withoutDialect: String get() = SpanishCastilian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object BZ : SpanishCastilian() { override val code: String = "es-BZ"; override val withoutDialect: String get() = SpanishCastilian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object CL : SpanishCastilian() { override val code: String = "es-CL"; override val withoutDialect: String get() = SpanishCastilian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object CO : SpanishCastilian() { override val code: String = "es-CO"; override val withoutDialect: String get() = SpanishCastilian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object CR : SpanishCastilian() { override val code: String = "es-CR"; override val withoutDialect: String get() = SpanishCastilian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object CU : SpanishCastilian() { override val code: String = "es-CU"; override val withoutDialect: String get() = SpanishCastilian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object DO : SpanishCastilian() { override val code: String = "es-DO"; override val withoutDialect: String get() = SpanishCastilian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object EA : SpanishCastilian() { override val code: String = "es-EA"; override val withoutDialect: String get() = SpanishCastilian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object EC : SpanishCastilian() { override val code: String = "es-EC"; override val withoutDialect: String get() = SpanishCastilian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object ES : SpanishCastilian() { override val code: String = "es-ES"; override val withoutDialect: String get() = SpanishCastilian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object GQ : SpanishCastilian() { override val code: String = "es-GQ"; override val withoutDialect: String get() = SpanishCastilian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object GT : SpanishCastilian() { override val code: String = "es-GT"; override val withoutDialect: String get() = SpanishCastilian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object HN : SpanishCastilian() { override val code: String = "es-HN"; override val withoutDialect: String get() = SpanishCastilian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object IC : SpanishCastilian() { override val code: String = "es-IC"; override val withoutDialect: String get() = SpanishCastilian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object MX : SpanishCastilian() { override val code: String = "es-MX"; override val withoutDialect: String get() = SpanishCastilian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object NI : SpanishCastilian() { override val code: String = "es-NI"; override val withoutDialect: String get() = SpanishCastilian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object PA : SpanishCastilian() { override val code: String = "es-PA"; override val withoutDialect: String get() = SpanishCastilian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object PE : SpanishCastilian() { override val code: String = "es-PE"; override val withoutDialect: String get() = SpanishCastilian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object PH : SpanishCastilian() { override val code: String = "es-PH"; override val withoutDialect: String get() = SpanishCastilian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object PR : SpanishCastilian() { override val code: String = "es-PR"; override val withoutDialect: String get() = SpanishCastilian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object PY : SpanishCastilian() { override val code: String = "es-PY"; override val withoutDialect: String get() = SpanishCastilian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object SV : SpanishCastilian() { override val code: String = "es-SV"; override val withoutDialect: String get() = SpanishCastilian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object US : SpanishCastilian() { override val code: String = "es-US"; override val withoutDialect: String get() = SpanishCastilian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object UY : SpanishCastilian() { override val code: String = "es-UY"; override val withoutDialect: String get() = SpanishCastilian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object VE : SpanishCastilian() { override val code: String = "es-VE"; override val withoutDialect: String get() = SpanishCastilian.code }
+        @Serializable(IetfLangSerializer::class)
+        object L419 : SpanishCastilian() { override val code: String = "es-419"; override val parentLang: SpanishCastilian get() = SpanishCastilian; }
+        @Serializable(IetfLangSerializer::class)
+        object AR : SpanishCastilian() { override val code: String = "es-AR"; override val parentLang: SpanishCastilian get() = SpanishCastilian; }
+        @Serializable(IetfLangSerializer::class)
+        object BO : SpanishCastilian() { override val code: String = "es-BO"; override val parentLang: SpanishCastilian get() = SpanishCastilian; }
+        @Serializable(IetfLangSerializer::class)
+        object BR : SpanishCastilian() { override val code: String = "es-BR"; override val parentLang: SpanishCastilian get() = SpanishCastilian; }
+        @Serializable(IetfLangSerializer::class)
+        object BZ : SpanishCastilian() { override val code: String = "es-BZ"; override val parentLang: SpanishCastilian get() = SpanishCastilian; }
+        @Serializable(IetfLangSerializer::class)
+        object CL : SpanishCastilian() { override val code: String = "es-CL"; override val parentLang: SpanishCastilian get() = SpanishCastilian; }
+        @Serializable(IetfLangSerializer::class)
+        object CO : SpanishCastilian() { override val code: String = "es-CO"; override val parentLang: SpanishCastilian get() = SpanishCastilian; }
+        @Serializable(IetfLangSerializer::class)
+        object CR : SpanishCastilian() { override val code: String = "es-CR"; override val parentLang: SpanishCastilian get() = SpanishCastilian; }
+        @Serializable(IetfLangSerializer::class)
+        object CU : SpanishCastilian() { override val code: String = "es-CU"; override val parentLang: SpanishCastilian get() = SpanishCastilian; }
+        @Serializable(IetfLangSerializer::class)
+        object DO : SpanishCastilian() { override val code: String = "es-DO"; override val parentLang: SpanishCastilian get() = SpanishCastilian; }
+        @Serializable(IetfLangSerializer::class)
+        object EA : SpanishCastilian() { override val code: String = "es-EA"; override val parentLang: SpanishCastilian get() = SpanishCastilian; }
+        @Serializable(IetfLangSerializer::class)
+        object EC : SpanishCastilian() { override val code: String = "es-EC"; override val parentLang: SpanishCastilian get() = SpanishCastilian; }
+        @Serializable(IetfLangSerializer::class)
+        object ES : SpanishCastilian() { override val code: String = "es-ES"; override val parentLang: SpanishCastilian get() = SpanishCastilian; }
+        @Serializable(IetfLangSerializer::class)
+        object GQ : SpanishCastilian() { override val code: String = "es-GQ"; override val parentLang: SpanishCastilian get() = SpanishCastilian; }
+        @Serializable(IetfLangSerializer::class)
+        object GT : SpanishCastilian() { override val code: String = "es-GT"; override val parentLang: SpanishCastilian get() = SpanishCastilian; }
+        @Serializable(IetfLangSerializer::class)
+        object HN : SpanishCastilian() { override val code: String = "es-HN"; override val parentLang: SpanishCastilian get() = SpanishCastilian; }
+        @Serializable(IetfLangSerializer::class)
+        object IC : SpanishCastilian() { override val code: String = "es-IC"; override val parentLang: SpanishCastilian get() = SpanishCastilian; }
+        @Serializable(IetfLangSerializer::class)
+        object MX : SpanishCastilian() { override val code: String = "es-MX"; override val parentLang: SpanishCastilian get() = SpanishCastilian; }
+        @Serializable(IetfLangSerializer::class)
+        object NI : SpanishCastilian() { override val code: String = "es-NI"; override val parentLang: SpanishCastilian get() = SpanishCastilian; }
+        @Serializable(IetfLangSerializer::class)
+        object PA : SpanishCastilian() { override val code: String = "es-PA"; override val parentLang: SpanishCastilian get() = SpanishCastilian; }
+        @Serializable(IetfLangSerializer::class)
+        object PE : SpanishCastilian() { override val code: String = "es-PE"; override val parentLang: SpanishCastilian get() = SpanishCastilian; }
+        @Serializable(IetfLangSerializer::class)
+        object PH : SpanishCastilian() { override val code: String = "es-PH"; override val parentLang: SpanishCastilian get() = SpanishCastilian; }
+        @Serializable(IetfLangSerializer::class)
+        object PR : SpanishCastilian() { override val code: String = "es-PR"; override val parentLang: SpanishCastilian get() = SpanishCastilian; }
+        @Serializable(IetfLangSerializer::class)
+        object PY : SpanishCastilian() { override val code: String = "es-PY"; override val parentLang: SpanishCastilian get() = SpanishCastilian; }
+        @Serializable(IetfLangSerializer::class)
+        object SV : SpanishCastilian() { override val code: String = "es-SV"; override val parentLang: SpanishCastilian get() = SpanishCastilian; }
+        @Serializable(IetfLangSerializer::class)
+        object US : SpanishCastilian() { override val code: String = "es-US"; override val parentLang: SpanishCastilian get() = SpanishCastilian; }
+        @Serializable(IetfLangSerializer::class)
+        object UY : SpanishCastilian() { override val code: String = "es-UY"; override val parentLang: SpanishCastilian get() = SpanishCastilian; }
+        @Serializable(IetfLangSerializer::class)
+        object VE : SpanishCastilian() { override val code: String = "es-VE"; override val parentLang: SpanishCastilian get() = SpanishCastilian; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : SpanishCastilian()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Estonian : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Estonian : IetfLang() {
         override val code: String = "et"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object EE : Estonian() { override val code: String = "et-EE"; override val withoutDialect: String get() = Estonian.code }
+        @Serializable(IetfLangSerializer::class)
+        object EE : Estonian() { override val code: String = "et-EE"; override val parentLang: Estonian get() = Estonian; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Estonian()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Basque : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Basque : IetfLang() {
         override val code: String = "eu"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object ES : Basque() { override val code: String = "eu-ES"; override val withoutDialect: String get() = Basque.code }
+        @Serializable(IetfLangSerializer::class)
+        object ES : Basque() { override val code: String = "eu-ES"; override val parentLang: Basque get() = Basque; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Basque()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Persian : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Persian : IetfLang() {
         override val code: String = "fa"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object AF : Persian() { override val code: String = "fa-AF"; override val withoutDialect: String get() = Persian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object IR : Persian() { override val code: String = "fa-IR"; override val withoutDialect: String get() = Persian.code }
+        @Serializable(IetfLangSerializer::class)
+        object AF : Persian() { override val code: String = "fa-AF"; override val parentLang: Persian get() = Persian; }
+        @Serializable(IetfLangSerializer::class)
+        object IR : Persian() { override val code: String = "fa-IR"; override val parentLang: Persian get() = Persian; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Persian()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Fulah : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Fulah : IetfLang() {
         override val code: String = "ff"
-        override val withoutDialect: String
-            get() = code
 
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         sealed class Adlm : Fulah() {
             override val code: String = "ff-Adlm"
-            override val withoutDialect: String
-                get() = code
+            override val parentLang: Fulah get() = Fulah;
 
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object BF : Adlm() { override val code: String = "ff-Adlm-BF"; override val withoutDialect: String get() = Adlm.code }
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object CM : Adlm() { override val code: String = "ff-Adlm-CM"; override val withoutDialect: String get() = Adlm.code }
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object GH : Adlm() { override val code: String = "ff-Adlm-GH"; override val withoutDialect: String get() = Adlm.code }
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object GM : Adlm() { override val code: String = "ff-Adlm-GM"; override val withoutDialect: String get() = Adlm.code }
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object GN : Adlm() { override val code: String = "ff-Adlm-GN"; override val withoutDialect: String get() = Adlm.code }
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object GW : Adlm() { override val code: String = "ff-Adlm-GW"; override val withoutDialect: String get() = Adlm.code }
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object LR : Adlm() { override val code: String = "ff-Adlm-LR"; override val withoutDialect: String get() = Adlm.code }
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object MR : Adlm() { override val code: String = "ff-Adlm-MR"; override val withoutDialect: String get() = Adlm.code }
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object NE : Adlm() { override val code: String = "ff-Adlm-NE"; override val withoutDialect: String get() = Adlm.code }
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object NG : Adlm() { override val code: String = "ff-Adlm-NG"; override val withoutDialect: String get() = Adlm.code }
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object SL : Adlm() { override val code: String = "ff-Adlm-SL"; override val withoutDialect: String get() = Adlm.code }
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object SN : Adlm() { override val code: String = "ff-Adlm-SN"; override val withoutDialect: String get() = Adlm.code }
+            @Serializable(IetfLangSerializer::class)
+            object BF : Adlm() { override val code: String = "ff-Adlm-BF"; override val parentLang: Adlm get() = Adlm; }
+            @Serializable(IetfLangSerializer::class)
+            object CM : Adlm() { override val code: String = "ff-Adlm-CM"; override val parentLang: Adlm get() = Adlm; }
+            @Serializable(IetfLangSerializer::class)
+            object GH : Adlm() { override val code: String = "ff-Adlm-GH"; override val parentLang: Adlm get() = Adlm; }
+            @Serializable(IetfLangSerializer::class)
+            object GM : Adlm() { override val code: String = "ff-Adlm-GM"; override val parentLang: Adlm get() = Adlm; }
+            @Serializable(IetfLangSerializer::class)
+            object GN : Adlm() { override val code: String = "ff-Adlm-GN"; override val parentLang: Adlm get() = Adlm; }
+            @Serializable(IetfLangSerializer::class)
+            object GW : Adlm() { override val code: String = "ff-Adlm-GW"; override val parentLang: Adlm get() = Adlm; }
+            @Serializable(IetfLangSerializer::class)
+            object LR : Adlm() { override val code: String = "ff-Adlm-LR"; override val parentLang: Adlm get() = Adlm; }
+            @Serializable(IetfLangSerializer::class)
+            object MR : Adlm() { override val code: String = "ff-Adlm-MR"; override val parentLang: Adlm get() = Adlm; }
+            @Serializable(IetfLangSerializer::class)
+            object NE : Adlm() { override val code: String = "ff-Adlm-NE"; override val parentLang: Adlm get() = Adlm; }
+            @Serializable(IetfLangSerializer::class)
+            object NG : Adlm() { override val code: String = "ff-Adlm-NG"; override val parentLang: Adlm get() = Adlm; }
+            @Serializable(IetfLangSerializer::class)
+            object SL : Adlm() { override val code: String = "ff-Adlm-SL"; override val parentLang: Adlm get() = Adlm; }
+            @Serializable(IetfLangSerializer::class)
+            object SN : Adlm() { override val code: String = "ff-Adlm-SN"; override val parentLang: Adlm get() = Adlm; }
 
-            @Serializable(IetfLanguageCodeSerializer::class)
+            @Serializable(IetfLangSerializer::class)
             companion object : Adlm()
         }
 
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         sealed class Latn : Fulah() {
             override val code: String = "ff-Latn"
-            override val withoutDialect: String
-                get() = code
+            override val parentLang: Fulah get() = Fulah;
 
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object BF : Latn() { override val code: String = "ff-Latn-BF"; override val withoutDialect: String get() = Latn.code }
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object CM : Latn() { override val code: String = "ff-Latn-CM"; override val withoutDialect: String get() = Latn.code }
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object GH : Latn() { override val code: String = "ff-Latn-GH"; override val withoutDialect: String get() = Latn.code }
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object GM : Latn() { override val code: String = "ff-Latn-GM"; override val withoutDialect: String get() = Latn.code }
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object GN : Latn() { override val code: String = "ff-Latn-GN"; override val withoutDialect: String get() = Latn.code }
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object GW : Latn() { override val code: String = "ff-Latn-GW"; override val withoutDialect: String get() = Latn.code }
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object LR : Latn() { override val code: String = "ff-Latn-LR"; override val withoutDialect: String get() = Latn.code }
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object MR : Latn() { override val code: String = "ff-Latn-MR"; override val withoutDialect: String get() = Latn.code }
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object NE : Latn() { override val code: String = "ff-Latn-NE"; override val withoutDialect: String get() = Latn.code }
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object NG : Latn() { override val code: String = "ff-Latn-NG"; override val withoutDialect: String get() = Latn.code }
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object SL : Latn() { override val code: String = "ff-Latn-SL"; override val withoutDialect: String get() = Latn.code }
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object SN : Latn() { override val code: String = "ff-Latn-SN"; override val withoutDialect: String get() = Latn.code }
+            @Serializable(IetfLangSerializer::class)
+            object BF : Latn() { override val code: String = "ff-Latn-BF"; override val parentLang: Latn get() = Latn; }
+            @Serializable(IetfLangSerializer::class)
+            object CM : Latn() { override val code: String = "ff-Latn-CM"; override val parentLang: Latn get() = Latn; }
+            @Serializable(IetfLangSerializer::class)
+            object GH : Latn() { override val code: String = "ff-Latn-GH"; override val parentLang: Latn get() = Latn; }
+            @Serializable(IetfLangSerializer::class)
+            object GM : Latn() { override val code: String = "ff-Latn-GM"; override val parentLang: Latn get() = Latn; }
+            @Serializable(IetfLangSerializer::class)
+            object GN : Latn() { override val code: String = "ff-Latn-GN"; override val parentLang: Latn get() = Latn; }
+            @Serializable(IetfLangSerializer::class)
+            object GW : Latn() { override val code: String = "ff-Latn-GW"; override val parentLang: Latn get() = Latn; }
+            @Serializable(IetfLangSerializer::class)
+            object LR : Latn() { override val code: String = "ff-Latn-LR"; override val parentLang: Latn get() = Latn; }
+            @Serializable(IetfLangSerializer::class)
+            object MR : Latn() { override val code: String = "ff-Latn-MR"; override val parentLang: Latn get() = Latn; }
+            @Serializable(IetfLangSerializer::class)
+            object NE : Latn() { override val code: String = "ff-Latn-NE"; override val parentLang: Latn get() = Latn; }
+            @Serializable(IetfLangSerializer::class)
+            object NG : Latn() { override val code: String = "ff-Latn-NG"; override val parentLang: Latn get() = Latn; }
+            @Serializable(IetfLangSerializer::class)
+            object SL : Latn() { override val code: String = "ff-Latn-SL"; override val parentLang: Latn get() = Latn; }
+            @Serializable(IetfLangSerializer::class)
+            object SN : Latn() { override val code: String = "ff-Latn-SN"; override val parentLang: Latn get() = Latn; }
 
-            @Serializable(IetfLanguageCodeSerializer::class)
+            @Serializable(IetfLangSerializer::class)
             companion object : Latn()
         }
 
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Fulah()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Finnish : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Finnish : IetfLang() {
         override val code: String = "fi"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object FI : Finnish() { override val code: String = "fi-FI"; override val withoutDialect: String get() = Finnish.code }
+        @Serializable(IetfLangSerializer::class)
+        object FI : Finnish() { override val code: String = "fi-FI"; override val parentLang: Finnish get() = Finnish; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Finnish()
     }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Fijian : IetfLanguageCode() { override val code: String = "fj"; override val withoutDialect: String get() = code }
+    @Serializable(IetfLangSerializer::class)
+    object Fijian : IetfLang() { override val code: String = "fj" }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Faroese : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Faroese : IetfLang() {
         override val code: String = "fo"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object DK : Faroese() { override val code: String = "fo-DK"; override val withoutDialect: String get() = Faroese.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object FO : Faroese() { override val code: String = "fo-FO"; override val withoutDialect: String get() = Faroese.code }
+        @Serializable(IetfLangSerializer::class)
+        object DK : Faroese() { override val code: String = "fo-DK"; override val parentLang: Faroese get() = Faroese; }
+        @Serializable(IetfLangSerializer::class)
+        object FO : Faroese() { override val code: String = "fo-FO"; override val parentLang: Faroese get() = Faroese; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Faroese()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class French : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class French : IetfLang() {
         override val code: String = "fr"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object BE : French() { override val code: String = "fr-BE"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object BF : French() { override val code: String = "fr-BF"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object BI : French() { override val code: String = "fr-BI"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object BJ : French() { override val code: String = "fr-BJ"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object BL : French() { override val code: String = "fr-BL"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object CA : French() { override val code: String = "fr-CA"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object CD : French() { override val code: String = "fr-CD"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object CF : French() { override val code: String = "fr-CF"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object CG : French() { override val code: String = "fr-CG"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object CH : French() { override val code: String = "fr-CH"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object CI : French() { override val code: String = "fr-CI"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object CM : French() { override val code: String = "fr-CM"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object DJ : French() { override val code: String = "fr-DJ"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object DZ : French() { override val code: String = "fr-DZ"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object FR : French() { override val code: String = "fr-FR"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object GA : French() { override val code: String = "fr-GA"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object GF : French() { override val code: String = "fr-GF"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object GN : French() { override val code: String = "fr-GN"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object GP : French() { override val code: String = "fr-GP"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object GQ : French() { override val code: String = "fr-GQ"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object HT : French() { override val code: String = "fr-HT"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object KM : French() { override val code: String = "fr-KM"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object LU : French() { override val code: String = "fr-LU"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object MA : French() { override val code: String = "fr-MA"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object MC : French() { override val code: String = "fr-MC"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object MF : French() { override val code: String = "fr-MF"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object MG : French() { override val code: String = "fr-MG"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object ML : French() { override val code: String = "fr-ML"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object MQ : French() { override val code: String = "fr-MQ"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object MR : French() { override val code: String = "fr-MR"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object MU : French() { override val code: String = "fr-MU"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object NC : French() { override val code: String = "fr-NC"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object NE : French() { override val code: String = "fr-NE"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object PF : French() { override val code: String = "fr-PF"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object PM : French() { override val code: String = "fr-PM"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object RE : French() { override val code: String = "fr-RE"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object RW : French() { override val code: String = "fr-RW"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object SC : French() { override val code: String = "fr-SC"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object SN : French() { override val code: String = "fr-SN"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object SY : French() { override val code: String = "fr-SY"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object TD : French() { override val code: String = "fr-TD"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object TG : French() { override val code: String = "fr-TG"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object TN : French() { override val code: String = "fr-TN"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object VU : French() { override val code: String = "fr-VU"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object WF : French() { override val code: String = "fr-WF"; override val withoutDialect: String get() = French.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object YT : French() { override val code: String = "fr-YT"; override val withoutDialect: String get() = French.code }
+        @Serializable(IetfLangSerializer::class)
+        object BE : French() { override val code: String = "fr-BE"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object BF : French() { override val code: String = "fr-BF"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object BI : French() { override val code: String = "fr-BI"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object BJ : French() { override val code: String = "fr-BJ"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object BL : French() { override val code: String = "fr-BL"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object CA : French() { override val code: String = "fr-CA"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object CD : French() { override val code: String = "fr-CD"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object CF : French() { override val code: String = "fr-CF"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object CG : French() { override val code: String = "fr-CG"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object CH : French() { override val code: String = "fr-CH"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object CI : French() { override val code: String = "fr-CI"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object CM : French() { override val code: String = "fr-CM"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object DJ : French() { override val code: String = "fr-DJ"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object DZ : French() { override val code: String = "fr-DZ"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object FR : French() { override val code: String = "fr-FR"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object GA : French() { override val code: String = "fr-GA"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object GF : French() { override val code: String = "fr-GF"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object GN : French() { override val code: String = "fr-GN"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object GP : French() { override val code: String = "fr-GP"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object GQ : French() { override val code: String = "fr-GQ"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object HT : French() { override val code: String = "fr-HT"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object KM : French() { override val code: String = "fr-KM"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object LU : French() { override val code: String = "fr-LU"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object MA : French() { override val code: String = "fr-MA"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object MC : French() { override val code: String = "fr-MC"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object MF : French() { override val code: String = "fr-MF"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object MG : French() { override val code: String = "fr-MG"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object ML : French() { override val code: String = "fr-ML"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object MQ : French() { override val code: String = "fr-MQ"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object MR : French() { override val code: String = "fr-MR"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object MU : French() { override val code: String = "fr-MU"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object NC : French() { override val code: String = "fr-NC"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object NE : French() { override val code: String = "fr-NE"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object PF : French() { override val code: String = "fr-PF"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object PM : French() { override val code: String = "fr-PM"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object RE : French() { override val code: String = "fr-RE"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object RW : French() { override val code: String = "fr-RW"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object SC : French() { override val code: String = "fr-SC"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object SN : French() { override val code: String = "fr-SN"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object SY : French() { override val code: String = "fr-SY"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object TD : French() { override val code: String = "fr-TD"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object TG : French() { override val code: String = "fr-TG"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object TN : French() { override val code: String = "fr-TN"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object VU : French() { override val code: String = "fr-VU"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object WF : French() { override val code: String = "fr-WF"; override val parentLang: French get() = French; }
+        @Serializable(IetfLangSerializer::class)
+        object YT : French() { override val code: String = "fr-YT"; override val parentLang: French get() = French; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : French()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class WesternFrisian : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class WesternFrisian : IetfLang() {
         override val code: String = "fy"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object NL : WesternFrisian() { override val code: String = "fy-NL"; override val withoutDialect: String get() = WesternFrisian.code }
+        @Serializable(IetfLangSerializer::class)
+        object NL : WesternFrisian() { override val code: String = "fy-NL"; override val parentLang: WesternFrisian get() = WesternFrisian; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : WesternFrisian()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Irish : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Irish : IetfLang() {
         override val code: String = "ga"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object GB : Irish() { override val code: String = "ga-GB"; override val withoutDialect: String get() = Irish.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object IE : Irish() { override val code: String = "ga-IE"; override val withoutDialect: String get() = Irish.code }
+        @Serializable(IetfLangSerializer::class)
+        object GB : Irish() { override val code: String = "ga-GB"; override val parentLang: Irish get() = Irish; }
+        @Serializable(IetfLangSerializer::class)
+        object IE : Irish() { override val code: String = "ga-IE"; override val parentLang: Irish get() = Irish; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Irish()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class GaelicScottishGaelic : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class GaelicScottishGaelic : IetfLang() {
         override val code: String = "gd"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object GB : GaelicScottishGaelic() { override val code: String = "gd-GB"; override val withoutDialect: String get() = GaelicScottishGaelic.code }
+        @Serializable(IetfLangSerializer::class)
+        object GB : GaelicScottishGaelic() { override val code: String = "gd-GB"; override val parentLang: GaelicScottishGaelic get() = GaelicScottishGaelic; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : GaelicScottishGaelic()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Galician : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Galician : IetfLang() {
         override val code: String = "gl"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object ES : Galician() { override val code: String = "gl-ES"; override val withoutDialect: String get() = Galician.code }
+        @Serializable(IetfLangSerializer::class)
+        object ES : Galician() { override val code: String = "gl-ES"; override val parentLang: Galician get() = Galician; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Galician()
     }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Guarani : IetfLanguageCode() { override val code: String = "gn"; override val withoutDialect: String get() = code }
+    @Serializable(IetfLangSerializer::class)
+    object Guarani : IetfLang() { override val code: String = "gn" }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Gujarati : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Gujarati : IetfLang() {
         override val code: String = "gu"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object IN : Gujarati() { override val code: String = "gu-IN"; override val withoutDialect: String get() = Gujarati.code }
+        @Serializable(IetfLangSerializer::class)
+        object IN : Gujarati() { override val code: String = "gu-IN"; override val parentLang: Gujarati get() = Gujarati; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Gujarati()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Manx : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Manx : IetfLang() {
         override val code: String = "gv"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object IM : Manx() { override val code: String = "gv-IM"; override val withoutDialect: String get() = Manx.code }
+        @Serializable(IetfLangSerializer::class)
+        object IM : Manx() { override val code: String = "gv-IM"; override val parentLang: Manx get() = Manx; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Manx()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Hausa : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Hausa : IetfLang() {
         override val code: String = "ha"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object GH : Hausa() { override val code: String = "ha-GH"; override val withoutDialect: String get() = Hausa.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object NE : Hausa() { override val code: String = "ha-NE"; override val withoutDialect: String get() = Hausa.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object NG : Hausa() { override val code: String = "ha-NG"; override val withoutDialect: String get() = Hausa.code }
+        @Serializable(IetfLangSerializer::class)
+        object GH : Hausa() { override val code: String = "ha-GH"; override val parentLang: Hausa get() = Hausa; }
+        @Serializable(IetfLangSerializer::class)
+        object NE : Hausa() { override val code: String = "ha-NE"; override val parentLang: Hausa get() = Hausa; }
+        @Serializable(IetfLangSerializer::class)
+        object NG : Hausa() { override val code: String = "ha-NG"; override val parentLang: Hausa get() = Hausa; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Hausa()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Hebrew : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Hebrew : IetfLang() {
         override val code: String = "he"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object IL : Hebrew() { override val code: String = "he-IL"; override val withoutDialect: String get() = Hebrew.code }
+        @Serializable(IetfLangSerializer::class)
+        object IL : Hebrew() { override val code: String = "he-IL"; override val parentLang: Hebrew get() = Hebrew; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Hebrew()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Hindi : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Hindi : IetfLang() {
         override val code: String = "hi"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object IN : Hindi() { override val code: String = "hi-IN"; override val withoutDialect: String get() = Hindi.code }
+        @Serializable(IetfLangSerializer::class)
+        object IN : Hindi() { override val code: String = "hi-IN"; override val parentLang: Hindi get() = Hindi; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Hindi()
     }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object HiriMotu : IetfLanguageCode() { override val code: String = "ho"; override val withoutDialect: String get() = code }
+    @Serializable(IetfLangSerializer::class)
+    object HiriMotu : IetfLang() { override val code: String = "ho" }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Croatian : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Croatian : IetfLang() {
         override val code: String = "hr"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object BA : Croatian() { override val code: String = "hr-BA"; override val withoutDialect: String get() = Croatian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object HR : Croatian() { override val code: String = "hr-HR"; override val withoutDialect: String get() = Croatian.code }
+        @Serializable(IetfLangSerializer::class)
+        object BA : Croatian() { override val code: String = "hr-BA"; override val parentLang: Croatian get() = Croatian; }
+        @Serializable(IetfLangSerializer::class)
+        object HR : Croatian() { override val code: String = "hr-HR"; override val parentLang: Croatian get() = Croatian; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Croatian()
     }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object HaitianHaitianCreole : IetfLanguageCode() { override val code: String = "ht"; override val withoutDialect: String get() = code }
+    @Serializable(IetfLangSerializer::class)
+    object HaitianHaitianCreole : IetfLang() { override val code: String = "ht" }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Hungarian : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Hungarian : IetfLang() {
         override val code: String = "hu"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object HU : Hungarian() { override val code: String = "hu-HU"; override val withoutDialect: String get() = Hungarian.code }
+        @Serializable(IetfLangSerializer::class)
+        object HU : Hungarian() { override val code: String = "hu-HU"; override val parentLang: Hungarian get() = Hungarian; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Hungarian()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Armenian : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Armenian : IetfLang() {
         override val code: String = "hy"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object AM : Armenian() { override val code: String = "hy-AM"; override val withoutDialect: String get() = Armenian.code }
+        @Serializable(IetfLangSerializer::class)
+        object AM : Armenian() { override val code: String = "hy-AM"; override val parentLang: Armenian get() = Armenian; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Armenian()
     }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Herero : IetfLanguageCode() { override val code: String = "hz"; override val withoutDialect: String get() = code }
+    @Serializable(IetfLangSerializer::class)
+    object Herero : IetfLang() { override val code: String = "hz" }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class InterlinguaInternationalAuxiliaryLanguageAssociation : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class InterlinguaInternationalAuxiliaryLanguageAssociation : IetfLang() {
         override val code: String = "ia"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object L001 : InterlinguaInternationalAuxiliaryLanguageAssociation() { override val code: String = "ia-001"; override val withoutDialect: String get() = InterlinguaInternationalAuxiliaryLanguageAssociation.code }
+        @Serializable(IetfLangSerializer::class)
+        object L001 : InterlinguaInternationalAuxiliaryLanguageAssociation() { override val code: String = "ia-001"; override val parentLang: InterlinguaInternationalAuxiliaryLanguageAssociation get() = InterlinguaInternationalAuxiliaryLanguageAssociation; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : InterlinguaInternationalAuxiliaryLanguageAssociation()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Indonesian : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Indonesian : IetfLang() {
         override val code: String = "id"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object ID : Indonesian() { override val code: String = "id-ID"; override val withoutDialect: String get() = Indonesian.code }
+        @Serializable(IetfLangSerializer::class)
+        object ID : Indonesian() { override val code: String = "id-ID"; override val parentLang: Indonesian get() = Indonesian; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Indonesian()
     }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object InterlingueOccidental : IetfLanguageCode() { override val code: String = "ie"; override val withoutDialect: String get() = code }
+    @Serializable(IetfLangSerializer::class)
+    object InterlingueOccidental : IetfLang() { override val code: String = "ie" }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Igbo : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Igbo : IetfLang() {
         override val code: String = "ig"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object NG : Igbo() { override val code: String = "ig-NG"; override val withoutDialect: String get() = Igbo.code }
+        @Serializable(IetfLangSerializer::class)
+        object NG : Igbo() { override val code: String = "ig-NG"; override val parentLang: Igbo get() = Igbo; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Igbo()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class SichuanYiNuosu : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class SichuanYiNuosu : IetfLang() {
         override val code: String = "ii"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object CN : SichuanYiNuosu() { override val code: String = "ii-CN"; override val withoutDialect: String get() = SichuanYiNuosu.code }
+        @Serializable(IetfLangSerializer::class)
+        object CN : SichuanYiNuosu() { override val code: String = "ii-CN"; override val parentLang: SichuanYiNuosu get() = SichuanYiNuosu; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : SichuanYiNuosu()
     }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Inupiaq : IetfLanguageCode() { override val code: String = "ik"; override val withoutDialect: String get() = code }
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Ido : IetfLanguageCode() { override val code: String = "io"; override val withoutDialect: String get() = code }
+    @Serializable(IetfLangSerializer::class)
+    object Inupiaq : IetfLang() { override val code: String = "ik" }
+    @Serializable(IetfLangSerializer::class)
+    object Ido : IetfLang() { override val code: String = "io" }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Icelandic : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Icelandic : IetfLang() {
         override val code: String = "is"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object IS : Icelandic() { override val code: String = "is-IS"; override val withoutDialect: String get() = Icelandic.code }
+        @Serializable(IetfLangSerializer::class)
+        object IS : Icelandic() { override val code: String = "is-IS"; override val parentLang: Icelandic get() = Icelandic; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Icelandic()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Italian : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Italian : IetfLang() {
         override val code: String = "it"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object CH : Italian() { override val code: String = "it-CH"; override val withoutDialect: String get() = Italian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object IT : Italian() { override val code: String = "it-IT"; override val withoutDialect: String get() = Italian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object SM : Italian() { override val code: String = "it-SM"; override val withoutDialect: String get() = Italian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object VA : Italian() { override val code: String = "it-VA"; override val withoutDialect: String get() = Italian.code }
+        @Serializable(IetfLangSerializer::class)
+        object CH : Italian() { override val code: String = "it-CH"; override val parentLang: Italian get() = Italian; }
+        @Serializable(IetfLangSerializer::class)
+        object IT : Italian() { override val code: String = "it-IT"; override val parentLang: Italian get() = Italian; }
+        @Serializable(IetfLangSerializer::class)
+        object SM : Italian() { override val code: String = "it-SM"; override val parentLang: Italian get() = Italian; }
+        @Serializable(IetfLangSerializer::class)
+        object VA : Italian() { override val code: String = "it-VA"; override val parentLang: Italian get() = Italian; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Italian()
     }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Inuktitut : IetfLanguageCode() { override val code: String = "iu"; override val withoutDialect: String get() = code }
+    @Serializable(IetfLangSerializer::class)
+    object Inuktitut : IetfLang() { override val code: String = "iu" }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Japanese : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Japanese : IetfLang() {
         override val code: String = "ja"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object JP : Japanese() { override val code: String = "ja-JP"; override val withoutDialect: String get() = Japanese.code }
+        @Serializable(IetfLangSerializer::class)
+        object JP : Japanese() { override val code: String = "ja-JP"; override val parentLang: Japanese get() = Japanese; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Japanese()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Javanese : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Javanese : IetfLang() {
         override val code: String = "jv"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object ID : Javanese() { override val code: String = "jv-ID"; override val withoutDialect: String get() = Javanese.code }
+        @Serializable(IetfLangSerializer::class)
+        object ID : Javanese() { override val code: String = "jv-ID"; override val parentLang: Javanese get() = Javanese; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Javanese()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Georgian : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Georgian : IetfLang() {
         override val code: String = "ka"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object GE : Georgian() { override val code: String = "ka-GE"; override val withoutDialect: String get() = Georgian.code }
+        @Serializable(IetfLangSerializer::class)
+        object GE : Georgian() { override val code: String = "ka-GE"; override val parentLang: Georgian get() = Georgian; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Georgian()
     }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Kongo : IetfLanguageCode() { override val code: String = "kg"; override val withoutDialect: String get() = code }
+    @Serializable(IetfLangSerializer::class)
+    object Kongo : IetfLang() { override val code: String = "kg" }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class KikuyuGikuyu : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class KikuyuGikuyu : IetfLang() {
         override val code: String = "ki"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object KE : KikuyuGikuyu() { override val code: String = "ki-KE"; override val withoutDialect: String get() = KikuyuGikuyu.code }
+        @Serializable(IetfLangSerializer::class)
+        object KE : KikuyuGikuyu() { override val code: String = "ki-KE"; override val parentLang: KikuyuGikuyu get() = KikuyuGikuyu; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : KikuyuGikuyu()
     }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object KuanyamaKwanyama : IetfLanguageCode() { override val code: String = "kj"; override val withoutDialect: String get() = code }
+    @Serializable(IetfLangSerializer::class)
+    object KuanyamaKwanyama : IetfLang() { override val code: String = "kj" }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Kazakh : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Kazakh : IetfLang() {
         override val code: String = "kk"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object KZ : Kazakh() { override val code: String = "kk-KZ"; override val withoutDialect: String get() = Kazakh.code }
+        @Serializable(IetfLangSerializer::class)
+        object KZ : Kazakh() { override val code: String = "kk-KZ"; override val parentLang: Kazakh get() = Kazakh; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Kazakh()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class KalaallisutGreenlandic : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class KalaallisutGreenlandic : IetfLang() {
         override val code: String = "kl"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object GL : KalaallisutGreenlandic() { override val code: String = "kl-GL"; override val withoutDialect: String get() = KalaallisutGreenlandic.code }
+        @Serializable(IetfLangSerializer::class)
+        object GL : KalaallisutGreenlandic() { override val code: String = "kl-GL"; override val parentLang: KalaallisutGreenlandic get() = KalaallisutGreenlandic; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : KalaallisutGreenlandic()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class CentralKhmer : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class CentralKhmer : IetfLang() {
         override val code: String = "km"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object KH : CentralKhmer() { override val code: String = "km-KH"; override val withoutDialect: String get() = CentralKhmer.code }
+        @Serializable(IetfLangSerializer::class)
+        object KH : CentralKhmer() { override val code: String = "km-KH"; override val parentLang: CentralKhmer get() = CentralKhmer; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : CentralKhmer()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Kannada : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Kannada : IetfLang() {
         override val code: String = "kn"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object IN : Kannada() { override val code: String = "kn-IN"; override val withoutDialect: String get() = Kannada.code }
+        @Serializable(IetfLangSerializer::class)
+        object IN : Kannada() { override val code: String = "kn-IN"; override val parentLang: Kannada get() = Kannada; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Kannada()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Korean : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Korean : IetfLang() {
         override val code: String = "ko"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object KP : Korean() { override val code: String = "ko-KP"; override val withoutDialect: String get() = Korean.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object KR : Korean() { override val code: String = "ko-KR"; override val withoutDialect: String get() = Korean.code }
+        @Serializable(IetfLangSerializer::class)
+        object KP : Korean() { override val code: String = "ko-KP"; override val parentLang: Korean get() = Korean; }
+        @Serializable(IetfLangSerializer::class)
+        object KR : Korean() { override val code: String = "ko-KR"; override val parentLang: Korean get() = Korean; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Korean()
     }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Kanuri : IetfLanguageCode() { override val code: String = "kr"; override val withoutDialect: String get() = code }
+    @Serializable(IetfLangSerializer::class)
+    object Kanuri : IetfLang() { override val code: String = "kr" }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Kashmiri : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Kashmiri : IetfLang() {
         override val code: String = "ks"
-        override val withoutDialect: String
-            get() = code
 
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         sealed class Arab : Kashmiri() {
             override val code: String = "ks-Arab"
-            override val withoutDialect: String
-                get() = code
+            override val parentLang: Kashmiri get() = Kashmiri;
 
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object IN : Arab() { override val code: String = "ks-Arab-IN"; override val withoutDialect: String get() = Arab.code }
+            @Serializable(IetfLangSerializer::class)
+            object IN : Arab() { override val code: String = "ks-Arab-IN"; override val parentLang: Arab get() = Arab; }
 
-            @Serializable(IetfLanguageCodeSerializer::class)
+            @Serializable(IetfLangSerializer::class)
             companion object : Arab()
         }
 
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Kashmiri()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Kurdish : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Kurdish : IetfLang() {
         override val code: String = "ku"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object TR : Kurdish() { override val code: String = "ku-TR"; override val withoutDialect: String get() = Kurdish.code }
+        @Serializable(IetfLangSerializer::class)
+        object TR : Kurdish() { override val code: String = "ku-TR"; override val parentLang: Kurdish get() = Kurdish; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Kurdish()
     }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Komi : IetfLanguageCode() { override val code: String = "kv"; override val withoutDialect: String get() = code }
+    @Serializable(IetfLangSerializer::class)
+    object Komi : IetfLang() { override val code: String = "kv" }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Cornish : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Cornish : IetfLang() {
         override val code: String = "kw"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object GB : Cornish() { override val code: String = "kw-GB"; override val withoutDialect: String get() = Cornish.code }
+        @Serializable(IetfLangSerializer::class)
+        object GB : Cornish() { override val code: String = "kw-GB"; override val parentLang: Cornish get() = Cornish; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Cornish()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class KirghizKyrgyz : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class KirghizKyrgyz : IetfLang() {
         override val code: String = "ky"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object KG : KirghizKyrgyz() { override val code: String = "ky-KG"; override val withoutDialect: String get() = KirghizKyrgyz.code }
+        @Serializable(IetfLangSerializer::class)
+        object KG : KirghizKyrgyz() { override val code: String = "ky-KG"; override val parentLang: KirghizKyrgyz get() = KirghizKyrgyz; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : KirghizKyrgyz()
     }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Latin : IetfLanguageCode() { override val code: String = "la"; override val withoutDialect: String get() = code }
+    @Serializable(IetfLangSerializer::class)
+    object Latin : IetfLang() { override val code: String = "la" }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class LuxembourgishLetzeburgesch : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class LuxembourgishLetzeburgesch : IetfLang() {
         override val code: String = "lb"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object LU : LuxembourgishLetzeburgesch() { override val code: String = "lb-LU"; override val withoutDialect: String get() = LuxembourgishLetzeburgesch.code }
+        @Serializable(IetfLangSerializer::class)
+        object LU : LuxembourgishLetzeburgesch() { override val code: String = "lb-LU"; override val parentLang: LuxembourgishLetzeburgesch get() = LuxembourgishLetzeburgesch; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : LuxembourgishLetzeburgesch()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Ganda : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Ganda : IetfLang() {
         override val code: String = "lg"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object UG : Ganda() { override val code: String = "lg-UG"; override val withoutDialect: String get() = Ganda.code }
+        @Serializable(IetfLangSerializer::class)
+        object UG : Ganda() { override val code: String = "lg-UG"; override val parentLang: Ganda get() = Ganda; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Ganda()
     }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object LimburganLimburgerLimburgish : IetfLanguageCode() { override val code: String = "li"; override val withoutDialect: String get() = code }
+    @Serializable(IetfLangSerializer::class)
+    object LimburganLimburgerLimburgish : IetfLang() { override val code: String = "li" }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Lingala : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Lingala : IetfLang() {
         override val code: String = "ln"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object AO : Lingala() { override val code: String = "ln-AO"; override val withoutDialect: String get() = Lingala.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object CD : Lingala() { override val code: String = "ln-CD"; override val withoutDialect: String get() = Lingala.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object CF : Lingala() { override val code: String = "ln-CF"; override val withoutDialect: String get() = Lingala.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object CG : Lingala() { override val code: String = "ln-CG"; override val withoutDialect: String get() = Lingala.code }
+        @Serializable(IetfLangSerializer::class)
+        object AO : Lingala() { override val code: String = "ln-AO"; override val parentLang: Lingala get() = Lingala; }
+        @Serializable(IetfLangSerializer::class)
+        object CD : Lingala() { override val code: String = "ln-CD"; override val parentLang: Lingala get() = Lingala; }
+        @Serializable(IetfLangSerializer::class)
+        object CF : Lingala() { override val code: String = "ln-CF"; override val parentLang: Lingala get() = Lingala; }
+        @Serializable(IetfLangSerializer::class)
+        object CG : Lingala() { override val code: String = "ln-CG"; override val parentLang: Lingala get() = Lingala; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Lingala()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Lao : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Lao : IetfLang() {
         override val code: String = "lo"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object LA : Lao() { override val code: String = "lo-LA"; override val withoutDialect: String get() = Lao.code }
+        @Serializable(IetfLangSerializer::class)
+        object LA : Lao() { override val code: String = "lo-LA"; override val parentLang: Lao get() = Lao; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Lao()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Lithuanian : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Lithuanian : IetfLang() {
         override val code: String = "lt"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object LT : Lithuanian() { override val code: String = "lt-LT"; override val withoutDialect: String get() = Lithuanian.code }
+        @Serializable(IetfLangSerializer::class)
+        object LT : Lithuanian() { override val code: String = "lt-LT"; override val parentLang: Lithuanian get() = Lithuanian; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Lithuanian()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class LubaKatanga : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class LubaKatanga : IetfLang() {
         override val code: String = "lu"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object CD : LubaKatanga() { override val code: String = "lu-CD"; override val withoutDialect: String get() = LubaKatanga.code }
+        @Serializable(IetfLangSerializer::class)
+        object CD : LubaKatanga() { override val code: String = "lu-CD"; override val parentLang: LubaKatanga get() = LubaKatanga; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : LubaKatanga()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Latvian : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Latvian : IetfLang() {
         override val code: String = "lv"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object LV : Latvian() { override val code: String = "lv-LV"; override val withoutDialect: String get() = Latvian.code }
+        @Serializable(IetfLangSerializer::class)
+        object LV : Latvian() { override val code: String = "lv-LV"; override val parentLang: Latvian get() = Latvian; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Latvian()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Malagasy : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Malagasy : IetfLang() {
         override val code: String = "mg"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object MG : Malagasy() { override val code: String = "mg-MG"; override val withoutDialect: String get() = Malagasy.code }
+        @Serializable(IetfLangSerializer::class)
+        object MG : Malagasy() { override val code: String = "mg-MG"; override val parentLang: Malagasy get() = Malagasy; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Malagasy()
     }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Marshallese : IetfLanguageCode() { override val code: String = "mh"; override val withoutDialect: String get() = code }
+    @Serializable(IetfLangSerializer::class)
+    object Marshallese : IetfLang() { override val code: String = "mh" }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Maori : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Maori : IetfLang() {
         override val code: String = "mi"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object NZ : Maori() { override val code: String = "mi-NZ"; override val withoutDialect: String get() = Maori.code }
+        @Serializable(IetfLangSerializer::class)
+        object NZ : Maori() { override val code: String = "mi-NZ"; override val parentLang: Maori get() = Maori; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Maori()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Macedonian : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Macedonian : IetfLang() {
         override val code: String = "mk"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object MK : Macedonian() { override val code: String = "mk-MK"; override val withoutDialect: String get() = Macedonian.code }
+        @Serializable(IetfLangSerializer::class)
+        object MK : Macedonian() { override val code: String = "mk-MK"; override val parentLang: Macedonian get() = Macedonian; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Macedonian()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Malayalam : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Malayalam : IetfLang() {
         override val code: String = "ml"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object IN : Malayalam() { override val code: String = "ml-IN"; override val withoutDialect: String get() = Malayalam.code }
+        @Serializable(IetfLangSerializer::class)
+        object IN : Malayalam() { override val code: String = "ml-IN"; override val parentLang: Malayalam get() = Malayalam; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Malayalam()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Mongolian : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Mongolian : IetfLang() {
         override val code: String = "mn"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object MN : Mongolian() { override val code: String = "mn-MN"; override val withoutDialect: String get() = Mongolian.code }
+        @Serializable(IetfLangSerializer::class)
+        object MN : Mongolian() { override val code: String = "mn-MN"; override val parentLang: Mongolian get() = Mongolian; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Mongolian()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Marathi : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Marathi : IetfLang() {
         override val code: String = "mr"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object IN : Marathi() { override val code: String = "mr-IN"; override val withoutDialect: String get() = Marathi.code }
+        @Serializable(IetfLangSerializer::class)
+        object IN : Marathi() { override val code: String = "mr-IN"; override val parentLang: Marathi get() = Marathi; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Marathi()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Malay : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Malay : IetfLang() {
         override val code: String = "ms"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object BN : Malay() { override val code: String = "ms-BN"; override val withoutDialect: String get() = Malay.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object ID : Malay() { override val code: String = "ms-ID"; override val withoutDialect: String get() = Malay.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object MY : Malay() { override val code: String = "ms-MY"; override val withoutDialect: String get() = Malay.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object SG : Malay() { override val code: String = "ms-SG"; override val withoutDialect: String get() = Malay.code }
+        @Serializable(IetfLangSerializer::class)
+        object BN : Malay() { override val code: String = "ms-BN"; override val parentLang: Malay get() = Malay; }
+        @Serializable(IetfLangSerializer::class)
+        object ID : Malay() { override val code: String = "ms-ID"; override val parentLang: Malay get() = Malay; }
+        @Serializable(IetfLangSerializer::class)
+        object MY : Malay() { override val code: String = "ms-MY"; override val parentLang: Malay get() = Malay; }
+        @Serializable(IetfLangSerializer::class)
+        object SG : Malay() { override val code: String = "ms-SG"; override val parentLang: Malay get() = Malay; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Malay()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Maltese : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Maltese : IetfLang() {
         override val code: String = "mt"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object MT : Maltese() { override val code: String = "mt-MT"; override val withoutDialect: String get() = Maltese.code }
+        @Serializable(IetfLangSerializer::class)
+        object MT : Maltese() { override val code: String = "mt-MT"; override val parentLang: Maltese get() = Maltese; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Maltese()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Burmese : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Burmese : IetfLang() {
         override val code: String = "my"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object MM : Burmese() { override val code: String = "my-MM"; override val withoutDialect: String get() = Burmese.code }
+        @Serializable(IetfLangSerializer::class)
+        object MM : Burmese() { override val code: String = "my-MM"; override val parentLang: Burmese get() = Burmese; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Burmese()
     }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Nauru : IetfLanguageCode() { override val code: String = "na"; override val withoutDialect: String get() = code }
+    @Serializable(IetfLangSerializer::class)
+    object Nauru : IetfLang() { override val code: String = "na" }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class BokmalNorwegianNorwegianBokmal : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class BokmalNorwegianNorwegianBokmal : IetfLang() {
         override val code: String = "nb"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object NO : BokmalNorwegianNorwegianBokmal() { override val code: String = "nb-NO"; override val withoutDialect: String get() = BokmalNorwegianNorwegianBokmal.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object SJ : BokmalNorwegianNorwegianBokmal() { override val code: String = "nb-SJ"; override val withoutDialect: String get() = BokmalNorwegianNorwegianBokmal.code }
+        @Serializable(IetfLangSerializer::class)
+        object NO : BokmalNorwegianNorwegianBokmal() { override val code: String = "nb-NO"; override val parentLang: BokmalNorwegianNorwegianBokmal get() = BokmalNorwegianNorwegianBokmal; }
+        @Serializable(IetfLangSerializer::class)
+        object SJ : BokmalNorwegianNorwegianBokmal() { override val code: String = "nb-SJ"; override val parentLang: BokmalNorwegianNorwegianBokmal get() = BokmalNorwegianNorwegianBokmal; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : BokmalNorwegianNorwegianBokmal()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class NdebeleNorthNorthNdebele : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class NdebeleNorthNorthNdebele : IetfLang() {
         override val code: String = "nd"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object ZW : NdebeleNorthNorthNdebele() { override val code: String = "nd-ZW"; override val withoutDialect: String get() = NdebeleNorthNorthNdebele.code }
+        @Serializable(IetfLangSerializer::class)
+        object ZW : NdebeleNorthNorthNdebele() { override val code: String = "nd-ZW"; override val parentLang: NdebeleNorthNorthNdebele get() = NdebeleNorthNorthNdebele; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : NdebeleNorthNorthNdebele()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Nepali : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Nepali : IetfLang() {
         override val code: String = "ne"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object IN : Nepali() { override val code: String = "ne-IN"; override val withoutDialect: String get() = Nepali.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object NP : Nepali() { override val code: String = "ne-NP"; override val withoutDialect: String get() = Nepali.code }
+        @Serializable(IetfLangSerializer::class)
+        object IN : Nepali() { override val code: String = "ne-IN"; override val parentLang: Nepali get() = Nepali; }
+        @Serializable(IetfLangSerializer::class)
+        object NP : Nepali() { override val code: String = "ne-NP"; override val parentLang: Nepali get() = Nepali; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Nepali()
     }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Ndonga : IetfLanguageCode() { override val code: String = "ng"; override val withoutDialect: String get() = code }
+    @Serializable(IetfLangSerializer::class)
+    object Ndonga : IetfLang() { override val code: String = "ng" }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class DutchFlemish : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class DutchFlemish : IetfLang() {
         override val code: String = "nl"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object AW : DutchFlemish() { override val code: String = "nl-AW"; override val withoutDialect: String get() = DutchFlemish.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object BE : DutchFlemish() { override val code: String = "nl-BE"; override val withoutDialect: String get() = DutchFlemish.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object BQ : DutchFlemish() { override val code: String = "nl-BQ"; override val withoutDialect: String get() = DutchFlemish.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object CW : DutchFlemish() { override val code: String = "nl-CW"; override val withoutDialect: String get() = DutchFlemish.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object NL : DutchFlemish() { override val code: String = "nl-NL"; override val withoutDialect: String get() = DutchFlemish.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object SR : DutchFlemish() { override val code: String = "nl-SR"; override val withoutDialect: String get() = DutchFlemish.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object SX : DutchFlemish() { override val code: String = "nl-SX"; override val withoutDialect: String get() = DutchFlemish.code }
+        @Serializable(IetfLangSerializer::class)
+        object AW : DutchFlemish() { override val code: String = "nl-AW"; override val parentLang: DutchFlemish get() = DutchFlemish; }
+        @Serializable(IetfLangSerializer::class)
+        object BE : DutchFlemish() { override val code: String = "nl-BE"; override val parentLang: DutchFlemish get() = DutchFlemish; }
+        @Serializable(IetfLangSerializer::class)
+        object BQ : DutchFlemish() { override val code: String = "nl-BQ"; override val parentLang: DutchFlemish get() = DutchFlemish; }
+        @Serializable(IetfLangSerializer::class)
+        object CW : DutchFlemish() { override val code: String = "nl-CW"; override val parentLang: DutchFlemish get() = DutchFlemish; }
+        @Serializable(IetfLangSerializer::class)
+        object NL : DutchFlemish() { override val code: String = "nl-NL"; override val parentLang: DutchFlemish get() = DutchFlemish; }
+        @Serializable(IetfLangSerializer::class)
+        object SR : DutchFlemish() { override val code: String = "nl-SR"; override val parentLang: DutchFlemish get() = DutchFlemish; }
+        @Serializable(IetfLangSerializer::class)
+        object SX : DutchFlemish() { override val code: String = "nl-SX"; override val parentLang: DutchFlemish get() = DutchFlemish; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : DutchFlemish()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class NorwegianNynorskNynorskNorwegian : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class NorwegianNynorskNynorskNorwegian : IetfLang() {
         override val code: String = "nn"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object NO : NorwegianNynorskNynorskNorwegian() { override val code: String = "nn-NO"; override val withoutDialect: String get() = NorwegianNynorskNynorskNorwegian.code }
+        @Serializable(IetfLangSerializer::class)
+        object NO : NorwegianNynorskNynorskNorwegian() { override val code: String = "nn-NO"; override val parentLang: NorwegianNynorskNynorskNorwegian get() = NorwegianNynorskNynorskNorwegian; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : NorwegianNynorskNynorskNorwegian()
     }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Norwegian : IetfLanguageCode() { override val code: String = "no"; override val withoutDialect: String get() = code }
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object NdebeleSouthSouthNdebele : IetfLanguageCode() { override val code: String = "nr"; override val withoutDialect: String get() = code }
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object NavajoNavaho : IetfLanguageCode() { override val code: String = "nv"; override val withoutDialect: String get() = code }
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object ChichewaChewaNyanja : IetfLanguageCode() { override val code: String = "ny"; override val withoutDialect: String get() = code }
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object OccitanPost1500 : IetfLanguageCode() { override val code: String = "oc"; override val withoutDialect: String get() = code }
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Ojibwa : IetfLanguageCode() { override val code: String = "oj"; override val withoutDialect: String get() = code }
+    @Serializable(IetfLangSerializer::class)
+    object Norwegian : IetfLang() { override val code: String = "no" }
+    @Serializable(IetfLangSerializer::class)
+    object NdebeleSouthSouthNdebele : IetfLang() { override val code: String = "nr" }
+    @Serializable(IetfLangSerializer::class)
+    object NavajoNavaho : IetfLang() { override val code: String = "nv" }
+    @Serializable(IetfLangSerializer::class)
+    object ChichewaChewaNyanja : IetfLang() { override val code: String = "ny" }
+    @Serializable(IetfLangSerializer::class)
+    object OccitanPost1500 : IetfLang() { override val code: String = "oc" }
+    @Serializable(IetfLangSerializer::class)
+    object Ojibwa : IetfLang() { override val code: String = "oj" }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Oromo : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Oromo : IetfLang() {
         override val code: String = "om"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object ET : Oromo() { override val code: String = "om-ET"; override val withoutDialect: String get() = Oromo.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object KE : Oromo() { override val code: String = "om-KE"; override val withoutDialect: String get() = Oromo.code }
+        @Serializable(IetfLangSerializer::class)
+        object ET : Oromo() { override val code: String = "om-ET"; override val parentLang: Oromo get() = Oromo; }
+        @Serializable(IetfLangSerializer::class)
+        object KE : Oromo() { override val code: String = "om-KE"; override val parentLang: Oromo get() = Oromo; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Oromo()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Oriya : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Oriya : IetfLang() {
         override val code: String = "or"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object IN : Oriya() { override val code: String = "or-IN"; override val withoutDialect: String get() = Oriya.code }
+        @Serializable(IetfLangSerializer::class)
+        object IN : Oriya() { override val code: String = "or-IN"; override val parentLang: Oriya get() = Oriya; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Oriya()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class OssetianOssetic : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class OssetianOssetic : IetfLang() {
         override val code: String = "os"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object GE : OssetianOssetic() { override val code: String = "os-GE"; override val withoutDialect: String get() = OssetianOssetic.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object RU : OssetianOssetic() { override val code: String = "os-RU"; override val withoutDialect: String get() = OssetianOssetic.code }
+        @Serializable(IetfLangSerializer::class)
+        object GE : OssetianOssetic() { override val code: String = "os-GE"; override val parentLang: OssetianOssetic get() = OssetianOssetic; }
+        @Serializable(IetfLangSerializer::class)
+        object RU : OssetianOssetic() { override val code: String = "os-RU"; override val parentLang: OssetianOssetic get() = OssetianOssetic; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : OssetianOssetic()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class PanjabiPunjabi : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class PanjabiPunjabi : IetfLang() {
         override val code: String = "pa"
-        override val withoutDialect: String
-            get() = code
 
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         sealed class Arab : PanjabiPunjabi() {
             override val code: String = "pa-Arab"
-            override val withoutDialect: String
-                get() = code
+            override val parentLang: PanjabiPunjabi get() = PanjabiPunjabi;
 
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object PK : Arab() { override val code: String = "pa-Arab-PK"; override val withoutDialect: String get() = Arab.code }
+            @Serializable(IetfLangSerializer::class)
+            object PK : Arab() { override val code: String = "pa-Arab-PK"; override val parentLang: Arab get() = Arab; }
 
-            @Serializable(IetfLanguageCodeSerializer::class)
+            @Serializable(IetfLangSerializer::class)
             companion object : Arab()
         }
 
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         sealed class Guru : PanjabiPunjabi() {
             override val code: String = "pa-Guru"
-            override val withoutDialect: String
-                get() = code
+            override val parentLang: PanjabiPunjabi get() = PanjabiPunjabi;
 
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object IN : Guru() { override val code: String = "pa-Guru-IN"; override val withoutDialect: String get() = Guru.code }
+            @Serializable(IetfLangSerializer::class)
+            object IN : Guru() { override val code: String = "pa-Guru-IN"; override val parentLang: Guru get() = Guru; }
 
-            @Serializable(IetfLanguageCodeSerializer::class)
+            @Serializable(IetfLangSerializer::class)
             companion object : Guru()
         }
 
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : PanjabiPunjabi()
     }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Pali : IetfLanguageCode() { override val code: String = "pi"; override val withoutDialect: String get() = code }
+    @Serializable(IetfLangSerializer::class)
+    object Pali : IetfLang() { override val code: String = "pi" }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Polish : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Polish : IetfLang() {
         override val code: String = "pl"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object PL : Polish() { override val code: String = "pl-PL"; override val withoutDialect: String get() = Polish.code }
+        @Serializable(IetfLangSerializer::class)
+        object PL : Polish() { override val code: String = "pl-PL"; override val parentLang: Polish get() = Polish; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Polish()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class PushtoPashto : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class PushtoPashto : IetfLang() {
         override val code: String = "ps"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object AF : PushtoPashto() { override val code: String = "ps-AF"; override val withoutDialect: String get() = PushtoPashto.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object PK : PushtoPashto() { override val code: String = "ps-PK"; override val withoutDialect: String get() = PushtoPashto.code }
+        @Serializable(IetfLangSerializer::class)
+        object AF : PushtoPashto() { override val code: String = "ps-AF"; override val parentLang: PushtoPashto get() = PushtoPashto; }
+        @Serializable(IetfLangSerializer::class)
+        object PK : PushtoPashto() { override val code: String = "ps-PK"; override val parentLang: PushtoPashto get() = PushtoPashto; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : PushtoPashto()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Portuguese : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Portuguese : IetfLang() {
         override val code: String = "pt"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object AO : Portuguese() { override val code: String = "pt-AO"; override val withoutDialect: String get() = Portuguese.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object BR : Portuguese() { override val code: String = "pt-BR"; override val withoutDialect: String get() = Portuguese.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object CH : Portuguese() { override val code: String = "pt-CH"; override val withoutDialect: String get() = Portuguese.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object CV : Portuguese() { override val code: String = "pt-CV"; override val withoutDialect: String get() = Portuguese.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object GQ : Portuguese() { override val code: String = "pt-GQ"; override val withoutDialect: String get() = Portuguese.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object GW : Portuguese() { override val code: String = "pt-GW"; override val withoutDialect: String get() = Portuguese.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object LU : Portuguese() { override val code: String = "pt-LU"; override val withoutDialect: String get() = Portuguese.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object MO : Portuguese() { override val code: String = "pt-MO"; override val withoutDialect: String get() = Portuguese.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object MZ : Portuguese() { override val code: String = "pt-MZ"; override val withoutDialect: String get() = Portuguese.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object PT : Portuguese() { override val code: String = "pt-PT"; override val withoutDialect: String get() = Portuguese.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object ST : Portuguese() { override val code: String = "pt-ST"; override val withoutDialect: String get() = Portuguese.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object TL : Portuguese() { override val code: String = "pt-TL"; override val withoutDialect: String get() = Portuguese.code }
+        @Serializable(IetfLangSerializer::class)
+        object AO : Portuguese() { override val code: String = "pt-AO"; override val parentLang: Portuguese get() = Portuguese; }
+        @Serializable(IetfLangSerializer::class)
+        object BR : Portuguese() { override val code: String = "pt-BR"; override val parentLang: Portuguese get() = Portuguese; }
+        @Serializable(IetfLangSerializer::class)
+        object CH : Portuguese() { override val code: String = "pt-CH"; override val parentLang: Portuguese get() = Portuguese; }
+        @Serializable(IetfLangSerializer::class)
+        object CV : Portuguese() { override val code: String = "pt-CV"; override val parentLang: Portuguese get() = Portuguese; }
+        @Serializable(IetfLangSerializer::class)
+        object GQ : Portuguese() { override val code: String = "pt-GQ"; override val parentLang: Portuguese get() = Portuguese; }
+        @Serializable(IetfLangSerializer::class)
+        object GW : Portuguese() { override val code: String = "pt-GW"; override val parentLang: Portuguese get() = Portuguese; }
+        @Serializable(IetfLangSerializer::class)
+        object LU : Portuguese() { override val code: String = "pt-LU"; override val parentLang: Portuguese get() = Portuguese; }
+        @Serializable(IetfLangSerializer::class)
+        object MO : Portuguese() { override val code: String = "pt-MO"; override val parentLang: Portuguese get() = Portuguese; }
+        @Serializable(IetfLangSerializer::class)
+        object MZ : Portuguese() { override val code: String = "pt-MZ"; override val parentLang: Portuguese get() = Portuguese; }
+        @Serializable(IetfLangSerializer::class)
+        object PT : Portuguese() { override val code: String = "pt-PT"; override val parentLang: Portuguese get() = Portuguese; }
+        @Serializable(IetfLangSerializer::class)
+        object ST : Portuguese() { override val code: String = "pt-ST"; override val parentLang: Portuguese get() = Portuguese; }
+        @Serializable(IetfLangSerializer::class)
+        object TL : Portuguese() { override val code: String = "pt-TL"; override val parentLang: Portuguese get() = Portuguese; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Portuguese()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Quechua : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Quechua : IetfLang() {
         override val code: String = "qu"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object BO : Quechua() { override val code: String = "qu-BO"; override val withoutDialect: String get() = Quechua.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object EC : Quechua() { override val code: String = "qu-EC"; override val withoutDialect: String get() = Quechua.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object PE : Quechua() { override val code: String = "qu-PE"; override val withoutDialect: String get() = Quechua.code }
+        @Serializable(IetfLangSerializer::class)
+        object BO : Quechua() { override val code: String = "qu-BO"; override val parentLang: Quechua get() = Quechua; }
+        @Serializable(IetfLangSerializer::class)
+        object EC : Quechua() { override val code: String = "qu-EC"; override val parentLang: Quechua get() = Quechua; }
+        @Serializable(IetfLangSerializer::class)
+        object PE : Quechua() { override val code: String = "qu-PE"; override val parentLang: Quechua get() = Quechua; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Quechua()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Romansh : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Romansh : IetfLang() {
         override val code: String = "rm"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object CH : Romansh() { override val code: String = "rm-CH"; override val withoutDialect: String get() = Romansh.code }
+        @Serializable(IetfLangSerializer::class)
+        object CH : Romansh() { override val code: String = "rm-CH"; override val parentLang: Romansh get() = Romansh; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Romansh()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Rundi : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Rundi : IetfLang() {
         override val code: String = "rn"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object BI : Rundi() { override val code: String = "rn-BI"; override val withoutDialect: String get() = Rundi.code }
+        @Serializable(IetfLangSerializer::class)
+        object BI : Rundi() { override val code: String = "rn-BI"; override val parentLang: Rundi get() = Rundi; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Rundi()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class RomanianMoldavianMoldovan : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class RomanianMoldavianMoldovan : IetfLang() {
         override val code: String = "ro"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object MD : RomanianMoldavianMoldovan() { override val code: String = "ro-MD"; override val withoutDialect: String get() = RomanianMoldavianMoldovan.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object RO : RomanianMoldavianMoldovan() { override val code: String = "ro-RO"; override val withoutDialect: String get() = RomanianMoldavianMoldovan.code }
+        @Serializable(IetfLangSerializer::class)
+        object MD : RomanianMoldavianMoldovan() { override val code: String = "ro-MD"; override val parentLang: RomanianMoldavianMoldovan get() = RomanianMoldavianMoldovan; }
+        @Serializable(IetfLangSerializer::class)
+        object RO : RomanianMoldavianMoldovan() { override val code: String = "ro-RO"; override val parentLang: RomanianMoldavianMoldovan get() = RomanianMoldavianMoldovan; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : RomanianMoldavianMoldovan()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Russian : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Russian : IetfLang() {
         override val code: String = "ru"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object BY : Russian() { override val code: String = "ru-BY"; override val withoutDialect: String get() = Russian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object KG : Russian() { override val code: String = "ru-KG"; override val withoutDialect: String get() = Russian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object KZ : Russian() { override val code: String = "ru-KZ"; override val withoutDialect: String get() = Russian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object MD : Russian() { override val code: String = "ru-MD"; override val withoutDialect: String get() = Russian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object RU : Russian() { override val code: String = "ru-RU"; override val withoutDialect: String get() = Russian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object UA : Russian() { override val code: String = "ru-UA"; override val withoutDialect: String get() = Russian.code }
+        @Serializable(IetfLangSerializer::class)
+        object BY : Russian() { override val code: String = "ru-BY"; override val parentLang: Russian get() = Russian; }
+        @Serializable(IetfLangSerializer::class)
+        object KG : Russian() { override val code: String = "ru-KG"; override val parentLang: Russian get() = Russian; }
+        @Serializable(IetfLangSerializer::class)
+        object KZ : Russian() { override val code: String = "ru-KZ"; override val parentLang: Russian get() = Russian; }
+        @Serializable(IetfLangSerializer::class)
+        object MD : Russian() { override val code: String = "ru-MD"; override val parentLang: Russian get() = Russian; }
+        @Serializable(IetfLangSerializer::class)
+        object RU : Russian() { override val code: String = "ru-RU"; override val parentLang: Russian get() = Russian; }
+        @Serializable(IetfLangSerializer::class)
+        object UA : Russian() { override val code: String = "ru-UA"; override val parentLang: Russian get() = Russian; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Russian()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Kinyarwanda : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Kinyarwanda : IetfLang() {
         override val code: String = "rw"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object RW : Kinyarwanda() { override val code: String = "rw-RW"; override val withoutDialect: String get() = Kinyarwanda.code }
+        @Serializable(IetfLangSerializer::class)
+        object RW : Kinyarwanda() { override val code: String = "rw-RW"; override val parentLang: Kinyarwanda get() = Kinyarwanda; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Kinyarwanda()
     }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Sanskrit : IetfLanguageCode() { override val code: String = "sa"; override val withoutDialect: String get() = code }
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Sardinian : IetfLanguageCode() { override val code: String = "sc"; override val withoutDialect: String get() = code }
+    @Serializable(IetfLangSerializer::class)
+    object Sanskrit : IetfLang() { override val code: String = "sa" }
+    @Serializable(IetfLangSerializer::class)
+    object Sardinian : IetfLang() { override val code: String = "sc" }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Sindhi : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Sindhi : IetfLang() {
         override val code: String = "sd"
-        override val withoutDialect: String
-            get() = code
 
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         sealed class Arab : Sindhi() {
             override val code: String = "sd-Arab"
-            override val withoutDialect: String
-                get() = code
+            override val parentLang: Sindhi get() = Sindhi;
 
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object PK : Arab() { override val code: String = "sd-Arab-PK"; override val withoutDialect: String get() = Arab.code }
+            @Serializable(IetfLangSerializer::class)
+            object PK : Arab() { override val code: String = "sd-Arab-PK"; override val parentLang: Arab get() = Arab; }
 
-            @Serializable(IetfLanguageCodeSerializer::class)
+            @Serializable(IetfLangSerializer::class)
             companion object : Arab()
         }
 
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         sealed class Deva : Sindhi() {
             override val code: String = "sd-Deva"
-            override val withoutDialect: String
-                get() = code
+            override val parentLang: Sindhi get() = Sindhi;
 
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object IN : Deva() { override val code: String = "sd-Deva-IN"; override val withoutDialect: String get() = Deva.code }
+            @Serializable(IetfLangSerializer::class)
+            object IN : Deva() { override val code: String = "sd-Deva-IN"; override val parentLang: Deva get() = Deva; }
 
-            @Serializable(IetfLanguageCodeSerializer::class)
+            @Serializable(IetfLangSerializer::class)
             companion object : Deva()
         }
 
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Sindhi()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class NorthernSami : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class NorthernSami : IetfLang() {
         override val code: String = "se"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object FI : NorthernSami() { override val code: String = "se-FI"; override val withoutDialect: String get() = NorthernSami.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object NO : NorthernSami() { override val code: String = "se-NO"; override val withoutDialect: String get() = NorthernSami.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object SE : NorthernSami() { override val code: String = "se-SE"; override val withoutDialect: String get() = NorthernSami.code }
+        @Serializable(IetfLangSerializer::class)
+        object FI : NorthernSami() { override val code: String = "se-FI"; override val parentLang: NorthernSami get() = NorthernSami; }
+        @Serializable(IetfLangSerializer::class)
+        object NO : NorthernSami() { override val code: String = "se-NO"; override val parentLang: NorthernSami get() = NorthernSami; }
+        @Serializable(IetfLangSerializer::class)
+        object SE : NorthernSami() { override val code: String = "se-SE"; override val parentLang: NorthernSami get() = NorthernSami; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : NorthernSami()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Sango : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Sango : IetfLang() {
         override val code: String = "sg"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object CF : Sango() { override val code: String = "sg-CF"; override val withoutDialect: String get() = Sango.code }
+        @Serializable(IetfLangSerializer::class)
+        object CF : Sango() { override val code: String = "sg-CF"; override val parentLang: Sango get() = Sango; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Sango()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class SinhalaSinhalese : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class SinhalaSinhalese : IetfLang() {
         override val code: String = "si"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object LK : SinhalaSinhalese() { override val code: String = "si-LK"; override val withoutDialect: String get() = SinhalaSinhalese.code }
+        @Serializable(IetfLangSerializer::class)
+        object LK : SinhalaSinhalese() { override val code: String = "si-LK"; override val parentLang: SinhalaSinhalese get() = SinhalaSinhalese; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : SinhalaSinhalese()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Slovak : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Slovak : IetfLang() {
         override val code: String = "sk"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object SK : Slovak() { override val code: String = "sk-SK"; override val withoutDialect: String get() = Slovak.code }
+        @Serializable(IetfLangSerializer::class)
+        object SK : Slovak() { override val code: String = "sk-SK"; override val parentLang: Slovak get() = Slovak; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Slovak()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Slovenian : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Slovenian : IetfLang() {
         override val code: String = "sl"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object SI : Slovenian() { override val code: String = "sl-SI"; override val withoutDialect: String get() = Slovenian.code }
+        @Serializable(IetfLangSerializer::class)
+        object SI : Slovenian() { override val code: String = "sl-SI"; override val parentLang: Slovenian get() = Slovenian; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Slovenian()
     }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Samoan : IetfLanguageCode() { override val code: String = "sm"; override val withoutDialect: String get() = code }
+    @Serializable(IetfLangSerializer::class)
+    object Samoan : IetfLang() { override val code: String = "sm" }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Shona : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Shona : IetfLang() {
         override val code: String = "sn"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object ZW : Shona() { override val code: String = "sn-ZW"; override val withoutDialect: String get() = Shona.code }
+        @Serializable(IetfLangSerializer::class)
+        object ZW : Shona() { override val code: String = "sn-ZW"; override val parentLang: Shona get() = Shona; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Shona()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Somali : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Somali : IetfLang() {
         override val code: String = "so"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object DJ : Somali() { override val code: String = "so-DJ"; override val withoutDialect: String get() = Somali.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object ET : Somali() { override val code: String = "so-ET"; override val withoutDialect: String get() = Somali.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object KE : Somali() { override val code: String = "so-KE"; override val withoutDialect: String get() = Somali.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object SO : Somali() { override val code: String = "so-SO"; override val withoutDialect: String get() = Somali.code }
+        @Serializable(IetfLangSerializer::class)
+        object DJ : Somali() { override val code: String = "so-DJ"; override val parentLang: Somali get() = Somali; }
+        @Serializable(IetfLangSerializer::class)
+        object ET : Somali() { override val code: String = "so-ET"; override val parentLang: Somali get() = Somali; }
+        @Serializable(IetfLangSerializer::class)
+        object KE : Somali() { override val code: String = "so-KE"; override val parentLang: Somali get() = Somali; }
+        @Serializable(IetfLangSerializer::class)
+        object SO : Somali() { override val code: String = "so-SO"; override val parentLang: Somali get() = Somali; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Somali()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Albanian : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Albanian : IetfLang() {
         override val code: String = "sq"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object AL : Albanian() { override val code: String = "sq-AL"; override val withoutDialect: String get() = Albanian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object MK : Albanian() { override val code: String = "sq-MK"; override val withoutDialect: String get() = Albanian.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object XK : Albanian() { override val code: String = "sq-XK"; override val withoutDialect: String get() = Albanian.code }
+        @Serializable(IetfLangSerializer::class)
+        object AL : Albanian() { override val code: String = "sq-AL"; override val parentLang: Albanian get() = Albanian; }
+        @Serializable(IetfLangSerializer::class)
+        object MK : Albanian() { override val code: String = "sq-MK"; override val parentLang: Albanian get() = Albanian; }
+        @Serializable(IetfLangSerializer::class)
+        object XK : Albanian() { override val code: String = "sq-XK"; override val parentLang: Albanian get() = Albanian; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Albanian()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Serbian : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Serbian : IetfLang() {
         override val code: String = "sr"
-        override val withoutDialect: String
-            get() = code
 
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         sealed class Cyrl : Serbian() {
             override val code: String = "sr-Cyrl"
-            override val withoutDialect: String
-                get() = code
+            override val parentLang: Serbian get() = Serbian;
 
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object BA : Cyrl() { override val code: String = "sr-Cyrl-BA"; override val withoutDialect: String get() = Cyrl.code }
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object ME : Cyrl() { override val code: String = "sr-Cyrl-ME"; override val withoutDialect: String get() = Cyrl.code }
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object RS : Cyrl() { override val code: String = "sr-Cyrl-RS"; override val withoutDialect: String get() = Cyrl.code }
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object XK : Cyrl() { override val code: String = "sr-Cyrl-XK"; override val withoutDialect: String get() = Cyrl.code }
+            @Serializable(IetfLangSerializer::class)
+            object BA : Cyrl() { override val code: String = "sr-Cyrl-BA"; override val parentLang: Cyrl get() = Cyrl; }
+            @Serializable(IetfLangSerializer::class)
+            object ME : Cyrl() { override val code: String = "sr-Cyrl-ME"; override val parentLang: Cyrl get() = Cyrl; }
+            @Serializable(IetfLangSerializer::class)
+            object RS : Cyrl() { override val code: String = "sr-Cyrl-RS"; override val parentLang: Cyrl get() = Cyrl; }
+            @Serializable(IetfLangSerializer::class)
+            object XK : Cyrl() { override val code: String = "sr-Cyrl-XK"; override val parentLang: Cyrl get() = Cyrl; }
 
-            @Serializable(IetfLanguageCodeSerializer::class)
+            @Serializable(IetfLangSerializer::class)
             companion object : Cyrl()
         }
 
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         sealed class Latn : Serbian() {
             override val code: String = "sr-Latn"
-            override val withoutDialect: String
-                get() = code
+            override val parentLang: Serbian get() = Serbian;
 
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object BA : Latn() { override val code: String = "sr-Latn-BA"; override val withoutDialect: String get() = Latn.code }
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object ME : Latn() { override val code: String = "sr-Latn-ME"; override val withoutDialect: String get() = Latn.code }
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object RS : Latn() { override val code: String = "sr-Latn-RS"; override val withoutDialect: String get() = Latn.code }
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object XK : Latn() { override val code: String = "sr-Latn-XK"; override val withoutDialect: String get() = Latn.code }
+            @Serializable(IetfLangSerializer::class)
+            object BA : Latn() { override val code: String = "sr-Latn-BA"; override val parentLang: Latn get() = Latn; }
+            @Serializable(IetfLangSerializer::class)
+            object ME : Latn() { override val code: String = "sr-Latn-ME"; override val parentLang: Latn get() = Latn; }
+            @Serializable(IetfLangSerializer::class)
+            object RS : Latn() { override val code: String = "sr-Latn-RS"; override val parentLang: Latn get() = Latn; }
+            @Serializable(IetfLangSerializer::class)
+            object XK : Latn() { override val code: String = "sr-Latn-XK"; override val parentLang: Latn get() = Latn; }
 
-            @Serializable(IetfLanguageCodeSerializer::class)
+            @Serializable(IetfLangSerializer::class)
             companion object : Latn()
         }
 
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Serbian()
     }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Swati : IetfLanguageCode() { override val code: String = "ss"; override val withoutDialect: String get() = code }
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object SothoSouthern : IetfLanguageCode() { override val code: String = "st"; override val withoutDialect: String get() = code }
+    @Serializable(IetfLangSerializer::class)
+    object Swati : IetfLang() { override val code: String = "ss" }
+    @Serializable(IetfLangSerializer::class)
+    object SothoSouthern : IetfLang() { override val code: String = "st" }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Sundanese : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Sundanese : IetfLang() {
         override val code: String = "su"
-        override val withoutDialect: String
-            get() = code
 
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         sealed class Latn : Sundanese() {
             override val code: String = "su-Latn"
-            override val withoutDialect: String
-                get() = code
+            override val parentLang: Sundanese get() = Sundanese;
 
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object ID : Latn() { override val code: String = "su-Latn-ID"; override val withoutDialect: String get() = Latn.code }
+            @Serializable(IetfLangSerializer::class)
+            object ID : Latn() { override val code: String = "su-Latn-ID"; override val parentLang: Latn get() = Latn; }
 
-            @Serializable(IetfLanguageCodeSerializer::class)
+            @Serializable(IetfLangSerializer::class)
             companion object : Latn()
         }
 
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Sundanese()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Swedish : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Swedish : IetfLang() {
         override val code: String = "sv"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object AX : Swedish() { override val code: String = "sv-AX"; override val withoutDialect: String get() = Swedish.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object FI : Swedish() { override val code: String = "sv-FI"; override val withoutDialect: String get() = Swedish.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object SE : Swedish() { override val code: String = "sv-SE"; override val withoutDialect: String get() = Swedish.code }
+        @Serializable(IetfLangSerializer::class)
+        object AX : Swedish() { override val code: String = "sv-AX"; override val parentLang: Swedish get() = Swedish; }
+        @Serializable(IetfLangSerializer::class)
+        object FI : Swedish() { override val code: String = "sv-FI"; override val parentLang: Swedish get() = Swedish; }
+        @Serializable(IetfLangSerializer::class)
+        object SE : Swedish() { override val code: String = "sv-SE"; override val parentLang: Swedish get() = Swedish; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Swedish()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Swahili : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Swahili : IetfLang() {
         override val code: String = "sw"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object CD : Swahili() { override val code: String = "sw-CD"; override val withoutDialect: String get() = Swahili.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object KE : Swahili() { override val code: String = "sw-KE"; override val withoutDialect: String get() = Swahili.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object TZ : Swahili() { override val code: String = "sw-TZ"; override val withoutDialect: String get() = Swahili.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object UG : Swahili() { override val code: String = "sw-UG"; override val withoutDialect: String get() = Swahili.code }
+        @Serializable(IetfLangSerializer::class)
+        object CD : Swahili() { override val code: String = "sw-CD"; override val parentLang: Swahili get() = Swahili; }
+        @Serializable(IetfLangSerializer::class)
+        object KE : Swahili() { override val code: String = "sw-KE"; override val parentLang: Swahili get() = Swahili; }
+        @Serializable(IetfLangSerializer::class)
+        object TZ : Swahili() { override val code: String = "sw-TZ"; override val parentLang: Swahili get() = Swahili; }
+        @Serializable(IetfLangSerializer::class)
+        object UG : Swahili() { override val code: String = "sw-UG"; override val parentLang: Swahili get() = Swahili; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Swahili()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Tamil : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Tamil : IetfLang() {
         override val code: String = "ta"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object IN : Tamil() { override val code: String = "ta-IN"; override val withoutDialect: String get() = Tamil.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object LK : Tamil() { override val code: String = "ta-LK"; override val withoutDialect: String get() = Tamil.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object MY : Tamil() { override val code: String = "ta-MY"; override val withoutDialect: String get() = Tamil.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object SG : Tamil() { override val code: String = "ta-SG"; override val withoutDialect: String get() = Tamil.code }
+        @Serializable(IetfLangSerializer::class)
+        object IN : Tamil() { override val code: String = "ta-IN"; override val parentLang: Tamil get() = Tamil; }
+        @Serializable(IetfLangSerializer::class)
+        object LK : Tamil() { override val code: String = "ta-LK"; override val parentLang: Tamil get() = Tamil; }
+        @Serializable(IetfLangSerializer::class)
+        object MY : Tamil() { override val code: String = "ta-MY"; override val parentLang: Tamil get() = Tamil; }
+        @Serializable(IetfLangSerializer::class)
+        object SG : Tamil() { override val code: String = "ta-SG"; override val parentLang: Tamil get() = Tamil; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Tamil()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Telugu : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Telugu : IetfLang() {
         override val code: String = "te"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object IN : Telugu() { override val code: String = "te-IN"; override val withoutDialect: String get() = Telugu.code }
+        @Serializable(IetfLangSerializer::class)
+        object IN : Telugu() { override val code: String = "te-IN"; override val parentLang: Telugu get() = Telugu; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Telugu()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Tajik : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Tajik : IetfLang() {
         override val code: String = "tg"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object TJ : Tajik() { override val code: String = "tg-TJ"; override val withoutDialect: String get() = Tajik.code }
+        @Serializable(IetfLangSerializer::class)
+        object TJ : Tajik() { override val code: String = "tg-TJ"; override val parentLang: Tajik get() = Tajik; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Tajik()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Thai : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Thai : IetfLang() {
         override val code: String = "th"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object TH : Thai() { override val code: String = "th-TH"; override val withoutDialect: String get() = Thai.code }
+        @Serializable(IetfLangSerializer::class)
+        object TH : Thai() { override val code: String = "th-TH"; override val parentLang: Thai get() = Thai; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Thai()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Tigrinya : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Tigrinya : IetfLang() {
         override val code: String = "ti"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object ER : Tigrinya() { override val code: String = "ti-ER"; override val withoutDialect: String get() = Tigrinya.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object ET : Tigrinya() { override val code: String = "ti-ET"; override val withoutDialect: String get() = Tigrinya.code }
+        @Serializable(IetfLangSerializer::class)
+        object ER : Tigrinya() { override val code: String = "ti-ER"; override val parentLang: Tigrinya get() = Tigrinya; }
+        @Serializable(IetfLangSerializer::class)
+        object ET : Tigrinya() { override val code: String = "ti-ET"; override val parentLang: Tigrinya get() = Tigrinya; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Tigrinya()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Turkmen : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Turkmen : IetfLang() {
         override val code: String = "tk"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object TM : Turkmen() { override val code: String = "tk-TM"; override val withoutDialect: String get() = Turkmen.code }
+        @Serializable(IetfLangSerializer::class)
+        object TM : Turkmen() { override val code: String = "tk-TM"; override val parentLang: Turkmen get() = Turkmen; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Turkmen()
     }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Tagalog : IetfLanguageCode() { override val code: String = "tl"; override val withoutDialect: String get() = code }
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Tswana : IetfLanguageCode() { override val code: String = "tn"; override val withoutDialect: String get() = code }
+    @Serializable(IetfLangSerializer::class)
+    object Tagalog : IetfLang() { override val code: String = "tl" }
+    @Serializable(IetfLangSerializer::class)
+    object Tswana : IetfLang() { override val code: String = "tn" }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class TongaTongaIslands : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class TongaTongaIslands : IetfLang() {
         override val code: String = "to"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object TO : TongaTongaIslands() { override val code: String = "to-TO"; override val withoutDialect: String get() = TongaTongaIslands.code }
+        @Serializable(IetfLangSerializer::class)
+        object TO : TongaTongaIslands() { override val code: String = "to-TO"; override val parentLang: TongaTongaIslands get() = TongaTongaIslands; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : TongaTongaIslands()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Turkish : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Turkish : IetfLang() {
         override val code: String = "tr"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object CY : Turkish() { override val code: String = "tr-CY"; override val withoutDialect: String get() = Turkish.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object TR : Turkish() { override val code: String = "tr-TR"; override val withoutDialect: String get() = Turkish.code }
+        @Serializable(IetfLangSerializer::class)
+        object CY : Turkish() { override val code: String = "tr-CY"; override val parentLang: Turkish get() = Turkish; }
+        @Serializable(IetfLangSerializer::class)
+        object TR : Turkish() { override val code: String = "tr-TR"; override val parentLang: Turkish get() = Turkish; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Turkish()
     }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Tsonga : IetfLanguageCode() { override val code: String = "ts"; override val withoutDialect: String get() = code }
+    @Serializable(IetfLangSerializer::class)
+    object Tsonga : IetfLang() { override val code: String = "ts" }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Tatar : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Tatar : IetfLang() {
         override val code: String = "tt"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object RU : Tatar() { override val code: String = "tt-RU"; override val withoutDialect: String get() = Tatar.code }
+        @Serializable(IetfLangSerializer::class)
+        object RU : Tatar() { override val code: String = "tt-RU"; override val parentLang: Tatar get() = Tatar; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Tatar()
     }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Twi : IetfLanguageCode() { override val code: String = "tw"; override val withoutDialect: String get() = code }
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Tahitian : IetfLanguageCode() { override val code: String = "ty"; override val withoutDialect: String get() = code }
+    @Serializable(IetfLangSerializer::class)
+    object Twi : IetfLang() { override val code: String = "tw" }
+    @Serializable(IetfLangSerializer::class)
+    object Tahitian : IetfLang() { override val code: String = "ty" }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class UighurUyghur : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class UighurUyghur : IetfLang() {
         override val code: String = "ug"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object CN : UighurUyghur() { override val code: String = "ug-CN"; override val withoutDialect: String get() = UighurUyghur.code }
+        @Serializable(IetfLangSerializer::class)
+        object CN : UighurUyghur() { override val code: String = "ug-CN"; override val parentLang: UighurUyghur get() = UighurUyghur; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : UighurUyghur()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Ukrainian : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Ukrainian : IetfLang() {
         override val code: String = "uk"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object UA : Ukrainian() { override val code: String = "uk-UA"; override val withoutDialect: String get() = Ukrainian.code }
+        @Serializable(IetfLangSerializer::class)
+        object UA : Ukrainian() { override val code: String = "uk-UA"; override val parentLang: Ukrainian get() = Ukrainian; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Ukrainian()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Urdu : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Urdu : IetfLang() {
         override val code: String = "ur"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object IN : Urdu() { override val code: String = "ur-IN"; override val withoutDialect: String get() = Urdu.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object PK : Urdu() { override val code: String = "ur-PK"; override val withoutDialect: String get() = Urdu.code }
+        @Serializable(IetfLangSerializer::class)
+        object IN : Urdu() { override val code: String = "ur-IN"; override val parentLang: Urdu get() = Urdu; }
+        @Serializable(IetfLangSerializer::class)
+        object PK : Urdu() { override val code: String = "ur-PK"; override val parentLang: Urdu get() = Urdu; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Urdu()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Uzbek : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Uzbek : IetfLang() {
         override val code: String = "uz"
-        override val withoutDialect: String
-            get() = code
 
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         sealed class Arab : Uzbek() {
             override val code: String = "uz-Arab"
-            override val withoutDialect: String
-                get() = code
+            override val parentLang: Uzbek get() = Uzbek;
 
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object AF : Arab() { override val code: String = "uz-Arab-AF"; override val withoutDialect: String get() = Arab.code }
+            @Serializable(IetfLangSerializer::class)
+            object AF : Arab() { override val code: String = "uz-Arab-AF"; override val parentLang: Arab get() = Arab; }
 
-            @Serializable(IetfLanguageCodeSerializer::class)
+            @Serializable(IetfLangSerializer::class)
             companion object : Arab()
         }
 
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         sealed class Cyrl : Uzbek() {
             override val code: String = "uz-Cyrl"
-            override val withoutDialect: String
-                get() = code
+            override val parentLang: Uzbek get() = Uzbek;
 
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object UZ : Cyrl() { override val code: String = "uz-Cyrl-UZ"; override val withoutDialect: String get() = Cyrl.code }
+            @Serializable(IetfLangSerializer::class)
+            object UZ : Cyrl() { override val code: String = "uz-Cyrl-UZ"; override val parentLang: Cyrl get() = Cyrl; }
 
-            @Serializable(IetfLanguageCodeSerializer::class)
+            @Serializable(IetfLangSerializer::class)
             companion object : Cyrl()
         }
 
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         sealed class Latn : Uzbek() {
             override val code: String = "uz-Latn"
-            override val withoutDialect: String
-                get() = code
+            override val parentLang: Uzbek get() = Uzbek;
 
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object UZ : Latn() { override val code: String = "uz-Latn-UZ"; override val withoutDialect: String get() = Latn.code }
+            @Serializable(IetfLangSerializer::class)
+            object UZ : Latn() { override val code: String = "uz-Latn-UZ"; override val parentLang: Latn get() = Latn; }
 
-            @Serializable(IetfLanguageCodeSerializer::class)
+            @Serializable(IetfLangSerializer::class)
             companion object : Latn()
         }
 
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Uzbek()
     }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Venda : IetfLanguageCode() { override val code: String = "ve"; override val withoutDialect: String get() = code }
+    @Serializable(IetfLangSerializer::class)
+    object Venda : IetfLang() { override val code: String = "ve" }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Vietnamese : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Vietnamese : IetfLang() {
         override val code: String = "vi"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object VN : Vietnamese() { override val code: String = "vi-VN"; override val withoutDialect: String get() = Vietnamese.code }
+        @Serializable(IetfLangSerializer::class)
+        object VN : Vietnamese() { override val code: String = "vi-VN"; override val parentLang: Vietnamese get() = Vietnamese; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Vietnamese()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Volapuk : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Volapuk : IetfLang() {
         override val code: String = "vo"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object L001 : Volapuk() { override val code: String = "vo-001"; override val withoutDialect: String get() = Volapuk.code }
+        @Serializable(IetfLangSerializer::class)
+        object L001 : Volapuk() { override val code: String = "vo-001"; override val parentLang: Volapuk get() = Volapuk; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Volapuk()
     }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object Walloon : IetfLanguageCode() { override val code: String = "wa"; override val withoutDialect: String get() = code }
+    @Serializable(IetfLangSerializer::class)
+    object Walloon : IetfLang() { override val code: String = "wa" }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Wolof : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Wolof : IetfLang() {
         override val code: String = "wo"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object SN : Wolof() { override val code: String = "wo-SN"; override val withoutDialect: String get() = Wolof.code }
+        @Serializable(IetfLangSerializer::class)
+        object SN : Wolof() { override val code: String = "wo-SN"; override val parentLang: Wolof get() = Wolof; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Wolof()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Xhosa : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Xhosa : IetfLang() {
         override val code: String = "xh"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object ZA : Xhosa() { override val code: String = "xh-ZA"; override val withoutDialect: String get() = Xhosa.code }
+        @Serializable(IetfLangSerializer::class)
+        object ZA : Xhosa() { override val code: String = "xh-ZA"; override val parentLang: Xhosa get() = Xhosa; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Xhosa()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Yiddish : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Yiddish : IetfLang() {
         override val code: String = "yi"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object L001 : Yiddish() { override val code: String = "yi-001"; override val withoutDialect: String get() = Yiddish.code }
+        @Serializable(IetfLangSerializer::class)
+        object L001 : Yiddish() { override val code: String = "yi-001"; override val parentLang: Yiddish get() = Yiddish; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Yiddish()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Yoruba : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Yoruba : IetfLang() {
         override val code: String = "yo"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object BJ : Yoruba() { override val code: String = "yo-BJ"; override val withoutDialect: String get() = Yoruba.code }
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object NG : Yoruba() { override val code: String = "yo-NG"; override val withoutDialect: String get() = Yoruba.code }
+        @Serializable(IetfLangSerializer::class)
+        object BJ : Yoruba() { override val code: String = "yo-BJ"; override val parentLang: Yoruba get() = Yoruba; }
+        @Serializable(IetfLangSerializer::class)
+        object NG : Yoruba() { override val code: String = "yo-NG"; override val parentLang: Yoruba get() = Yoruba; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Yoruba()
     }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    object ZhuangChuang : IetfLanguageCode() { override val code: String = "za"; override val withoutDialect: String get() = code }
+    @Serializable(IetfLangSerializer::class)
+    object ZhuangChuang : IetfLang() { override val code: String = "za" }
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Chinese : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Chinese : IetfLang() {
         override val code: String = "zh"
-        override val withoutDialect: String
-            get() = code
 
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         sealed class Hans : Chinese() {
             override val code: String = "zh-Hans"
-            override val withoutDialect: String
-                get() = code
+            override val parentLang: Chinese get() = Chinese;
 
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object CN : Hans() { override val code: String = "zh-Hans-CN"; override val withoutDialect: String get() = Hans.code }
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object HK : Hans() { override val code: String = "zh-Hans-HK"; override val withoutDialect: String get() = Hans.code }
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object MO : Hans() { override val code: String = "zh-Hans-MO"; override val withoutDialect: String get() = Hans.code }
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object SG : Hans() { override val code: String = "zh-Hans-SG"; override val withoutDialect: String get() = Hans.code }
+            @Serializable(IetfLangSerializer::class)
+            object CN : Hans() { override val code: String = "zh-Hans-CN"; override val parentLang: Hans get() = Hans; }
+            @Serializable(IetfLangSerializer::class)
+            object HK : Hans() { override val code: String = "zh-Hans-HK"; override val parentLang: Hans get() = Hans; }
+            @Serializable(IetfLangSerializer::class)
+            object MO : Hans() { override val code: String = "zh-Hans-MO"; override val parentLang: Hans get() = Hans; }
+            @Serializable(IetfLangSerializer::class)
+            object SG : Hans() { override val code: String = "zh-Hans-SG"; override val parentLang: Hans get() = Hans; }
 
-            @Serializable(IetfLanguageCodeSerializer::class)
+            @Serializable(IetfLangSerializer::class)
             companion object : Hans()
         }
 
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         sealed class Hant : Chinese() {
             override val code: String = "zh-Hant"
-            override val withoutDialect: String
-                get() = code
+            override val parentLang: Chinese get() = Chinese;
 
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object HK : Hant() { override val code: String = "zh-Hant-HK"; override val withoutDialect: String get() = Hant.code }
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object MO : Hant() { override val code: String = "zh-Hant-MO"; override val withoutDialect: String get() = Hant.code }
-            @Serializable(IetfLanguageCodeSerializer::class)
-            object TW : Hant() { override val code: String = "zh-Hant-TW"; override val withoutDialect: String get() = Hant.code }
+            @Serializable(IetfLangSerializer::class)
+            object HK : Hant() { override val code: String = "zh-Hant-HK"; override val parentLang: Hant get() = Hant; }
+            @Serializable(IetfLangSerializer::class)
+            object MO : Hant() { override val code: String = "zh-Hant-MO"; override val parentLang: Hant get() = Hant; }
+            @Serializable(IetfLangSerializer::class)
+            object TW : Hant() { override val code: String = "zh-Hant-TW"; override val parentLang: Hant get() = Hant; }
 
-            @Serializable(IetfLanguageCodeSerializer::class)
+            @Serializable(IetfLangSerializer::class)
             companion object : Hant()
         }
 
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Chinese()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    sealed class Zulu : IetfLanguageCode() {
+    @Serializable(IetfLangSerializer::class)
+    sealed class Zulu : IetfLang() {
         override val code: String = "zu"
-        override val withoutDialect: String
-            get() = code
 
-        @Serializable(IetfLanguageCodeSerializer::class)
-        object ZA : Zulu() { override val code: String = "zu-ZA"; override val withoutDialect: String get() = Zulu.code }
+        @Serializable(IetfLangSerializer::class)
+        object ZA : Zulu() { override val code: String = "zu-ZA"; override val parentLang: Zulu get() = Zulu; }
 
-        @Serializable(IetfLanguageCodeSerializer::class)
+        @Serializable(IetfLangSerializer::class)
         companion object : Zulu()
     }
 
 
-    @Serializable(IetfLanguageCodeSerializer::class)
-    data class UnknownIetfLanguageCode (override val code: String) : IetfLanguageCode() {
-        override val withoutDialect: String = code.takeWhile { it != '-' }
+    @Serializable(IetfLangSerializer::class)
+    data class UnknownIetfLang (override val code: String) : IetfLang() {
+        override val parentLang = code.dropLastWhile { it != '-' }.removeSuffix("-").takeIf { it.length > 0 } ?.let(::UnknownIetfLang)
     }
+    @Deprecated("Renamed", ReplaceWith("UnknownIetfLang", "dev.inmo.micro_utils.language_codes.IetfLang.UnknownIetfLang"))
+    val UnknownIetfLanguageCode = UnknownIetfLang
 
     override fun toString() = code
 }
+@Deprecated("Renamed", ReplaceWith("IetfLang", "dev.inmo.micro_utils.language_codes.IetfLang"))
+typealias IetfLanguageCode = IetfLang
\ No newline at end of file
diff --git a/language_codes/src/commonMain/kotlin/dev/inmo/micro_utils/language_codes/StringToLanguageCodes.kt b/language_codes/src/commonMain/kotlin/dev/inmo/micro_utils/language_codes/StringToLanguageCodes.kt
index cca376663d6..1ce830e5321 100644
--- a/language_codes/src/commonMain/kotlin/dev/inmo/micro_utils/language_codes/StringToLanguageCodes.kt
+++ b/language_codes/src/commonMain/kotlin/dev/inmo/micro_utils/language_codes/StringToLanguageCodes.kt
@@ -1,671 +1,1356 @@
 package dev.inmo.micro_utils.language_codes
 
-fun String.asIetfLanguageCode(): IetfLanguageCode {
-    return when (this) {
-        IetfLanguageCode.Afar.code -> IetfLanguageCode.Afar
-        IetfLanguageCode.Abkhazian.code -> IetfLanguageCode.Abkhazian
-        IetfLanguageCode.Avestan.code -> IetfLanguageCode.Avestan
-        IetfLanguageCode.Afrikaans.code -> IetfLanguageCode.Afrikaans
-        IetfLanguageCode.Afrikaans.NA.code -> IetfLanguageCode.Afrikaans.NA
-        IetfLanguageCode.Afrikaans.ZA.code -> IetfLanguageCode.Afrikaans.ZA
-        IetfLanguageCode.Akan.code -> IetfLanguageCode.Akan
-        IetfLanguageCode.Akan.GH.code -> IetfLanguageCode.Akan.GH
-        IetfLanguageCode.Amharic.code -> IetfLanguageCode.Amharic
-        IetfLanguageCode.Amharic.ET.code -> IetfLanguageCode.Amharic.ET
-        IetfLanguageCode.Aragonese.code -> IetfLanguageCode.Aragonese
-        IetfLanguageCode.Arabic.code -> IetfLanguageCode.Arabic
-        IetfLanguageCode.Arabic.L001.code -> IetfLanguageCode.Arabic.L001
-        IetfLanguageCode.Arabic.AE.code -> IetfLanguageCode.Arabic.AE
-        IetfLanguageCode.Arabic.BH.code -> IetfLanguageCode.Arabic.BH
-        IetfLanguageCode.Arabic.DJ.code -> IetfLanguageCode.Arabic.DJ
-        IetfLanguageCode.Arabic.DZ.code -> IetfLanguageCode.Arabic.DZ
-        IetfLanguageCode.Arabic.EG.code -> IetfLanguageCode.Arabic.EG
-        IetfLanguageCode.Arabic.EH.code -> IetfLanguageCode.Arabic.EH
-        IetfLanguageCode.Arabic.ER.code -> IetfLanguageCode.Arabic.ER
-        IetfLanguageCode.Arabic.IL.code -> IetfLanguageCode.Arabic.IL
-        IetfLanguageCode.Arabic.IQ.code -> IetfLanguageCode.Arabic.IQ
-        IetfLanguageCode.Arabic.JO.code -> IetfLanguageCode.Arabic.JO
-        IetfLanguageCode.Arabic.KM.code -> IetfLanguageCode.Arabic.KM
-        IetfLanguageCode.Arabic.KW.code -> IetfLanguageCode.Arabic.KW
-        IetfLanguageCode.Arabic.LB.code -> IetfLanguageCode.Arabic.LB
-        IetfLanguageCode.Arabic.LY.code -> IetfLanguageCode.Arabic.LY
-        IetfLanguageCode.Arabic.MA.code -> IetfLanguageCode.Arabic.MA
-        IetfLanguageCode.Arabic.MR.code -> IetfLanguageCode.Arabic.MR
-        IetfLanguageCode.Arabic.OM.code -> IetfLanguageCode.Arabic.OM
-        IetfLanguageCode.Arabic.PS.code -> IetfLanguageCode.Arabic.PS
-        IetfLanguageCode.Arabic.QA.code -> IetfLanguageCode.Arabic.QA
-        IetfLanguageCode.Arabic.SA.code -> IetfLanguageCode.Arabic.SA
-        IetfLanguageCode.Arabic.SD.code -> IetfLanguageCode.Arabic.SD
-        IetfLanguageCode.Arabic.SO.code -> IetfLanguageCode.Arabic.SO
-        IetfLanguageCode.Arabic.SS.code -> IetfLanguageCode.Arabic.SS
-        IetfLanguageCode.Arabic.SY.code -> IetfLanguageCode.Arabic.SY
-        IetfLanguageCode.Arabic.TD.code -> IetfLanguageCode.Arabic.TD
-        IetfLanguageCode.Arabic.TN.code -> IetfLanguageCode.Arabic.TN
-        IetfLanguageCode.Arabic.YE.code -> IetfLanguageCode.Arabic.YE
-        IetfLanguageCode.Assamese.code -> IetfLanguageCode.Assamese
-        IetfLanguageCode.Assamese.IN.code -> IetfLanguageCode.Assamese.IN
-        IetfLanguageCode.Avaric.code -> IetfLanguageCode.Avaric
-        IetfLanguageCode.Aymara.code -> IetfLanguageCode.Aymara
-        IetfLanguageCode.Azerbaijani.code -> IetfLanguageCode.Azerbaijani
-        IetfLanguageCode.Azerbaijani.Cyrl.code -> IetfLanguageCode.Azerbaijani.Cyrl
-        IetfLanguageCode.Azerbaijani.Cyrl.AZ.code -> IetfLanguageCode.Azerbaijani.Cyrl.AZ
-        IetfLanguageCode.Azerbaijani.Latn.code -> IetfLanguageCode.Azerbaijani.Latn
-        IetfLanguageCode.Azerbaijani.Latn.AZ.code -> IetfLanguageCode.Azerbaijani.Latn.AZ
-        IetfLanguageCode.Bashkir.code -> IetfLanguageCode.Bashkir
-        IetfLanguageCode.Belarusian.code -> IetfLanguageCode.Belarusian
-        IetfLanguageCode.Belarusian.BY.code -> IetfLanguageCode.Belarusian.BY
-        IetfLanguageCode.Bulgarian.code -> IetfLanguageCode.Bulgarian
-        IetfLanguageCode.Bulgarian.BG.code -> IetfLanguageCode.Bulgarian.BG
-        IetfLanguageCode.BihariLanguages.code -> IetfLanguageCode.BihariLanguages
-        IetfLanguageCode.Bislama.code -> IetfLanguageCode.Bislama
-        IetfLanguageCode.Bambara.code -> IetfLanguageCode.Bambara
-        IetfLanguageCode.Bambara.ML.code -> IetfLanguageCode.Bambara.ML
-        IetfLanguageCode.Bengali.code -> IetfLanguageCode.Bengali
-        IetfLanguageCode.Bengali.BD.code -> IetfLanguageCode.Bengali.BD
-        IetfLanguageCode.Bengali.IN.code -> IetfLanguageCode.Bengali.IN
-        IetfLanguageCode.Tibetan.code -> IetfLanguageCode.Tibetan
-        IetfLanguageCode.Tibetan.CN.code -> IetfLanguageCode.Tibetan.CN
-        IetfLanguageCode.Tibetan.IN.code -> IetfLanguageCode.Tibetan.IN
-        IetfLanguageCode.Breton.code -> IetfLanguageCode.Breton
-        IetfLanguageCode.Breton.FR.code -> IetfLanguageCode.Breton.FR
-        IetfLanguageCode.Bosnian.code -> IetfLanguageCode.Bosnian
-        IetfLanguageCode.Bosnian.Cyrl.code -> IetfLanguageCode.Bosnian.Cyrl
-        IetfLanguageCode.Bosnian.Cyrl.BA.code -> IetfLanguageCode.Bosnian.Cyrl.BA
-        IetfLanguageCode.Bosnian.Latn.code -> IetfLanguageCode.Bosnian.Latn
-        IetfLanguageCode.Bosnian.Latn.BA.code -> IetfLanguageCode.Bosnian.Latn.BA
-        IetfLanguageCode.CatalanValencian.code -> IetfLanguageCode.CatalanValencian
-        IetfLanguageCode.CatalanValencian.AD.code -> IetfLanguageCode.CatalanValencian.AD
-        IetfLanguageCode.CatalanValencian.ES.code -> IetfLanguageCode.CatalanValencian.ES
-        IetfLanguageCode.CatalanValencian.ES.VALENCIA.code -> IetfLanguageCode.CatalanValencian.ES.VALENCIA
-        IetfLanguageCode.CatalanValencian.FR.code -> IetfLanguageCode.CatalanValencian.FR
-        IetfLanguageCode.CatalanValencian.IT.code -> IetfLanguageCode.CatalanValencian.IT
-        IetfLanguageCode.Chechen.code -> IetfLanguageCode.Chechen
-        IetfLanguageCode.Chechen.RU.code -> IetfLanguageCode.Chechen.RU
-        IetfLanguageCode.Chamorro.code -> IetfLanguageCode.Chamorro
-        IetfLanguageCode.Corsican.code -> IetfLanguageCode.Corsican
-        IetfLanguageCode.Cree.code -> IetfLanguageCode.Cree
-        IetfLanguageCode.Czech.code -> IetfLanguageCode.Czech
-        IetfLanguageCode.Czech.CZ.code -> IetfLanguageCode.Czech.CZ
-        IetfLanguageCode.ChurchSlavicOldSlavonicChurchSlavonicOldBulgarianOldChurchSlavonic.code -> IetfLanguageCode.ChurchSlavicOldSlavonicChurchSlavonicOldBulgarianOldChurchSlavonic
-        IetfLanguageCode.ChurchSlavicOldSlavonicChurchSlavonicOldBulgarianOldChurchSlavonic.RU.code -> IetfLanguageCode.ChurchSlavicOldSlavonicChurchSlavonicOldBulgarianOldChurchSlavonic.RU
-        IetfLanguageCode.Chuvash.code -> IetfLanguageCode.Chuvash
-        IetfLanguageCode.Welsh.code -> IetfLanguageCode.Welsh
-        IetfLanguageCode.Welsh.GB.code -> IetfLanguageCode.Welsh.GB
-        IetfLanguageCode.Danish.code -> IetfLanguageCode.Danish
-        IetfLanguageCode.Danish.DK.code -> IetfLanguageCode.Danish.DK
-        IetfLanguageCode.Danish.GL.code -> IetfLanguageCode.Danish.GL
-        IetfLanguageCode.German.code -> IetfLanguageCode.German
-        IetfLanguageCode.German.AT.code -> IetfLanguageCode.German.AT
-        IetfLanguageCode.German.BE.code -> IetfLanguageCode.German.BE
-        IetfLanguageCode.German.CH.code -> IetfLanguageCode.German.CH
-        IetfLanguageCode.German.DE.code -> IetfLanguageCode.German.DE
-        IetfLanguageCode.German.IT.code -> IetfLanguageCode.German.IT
-        IetfLanguageCode.German.LI.code -> IetfLanguageCode.German.LI
-        IetfLanguageCode.German.LU.code -> IetfLanguageCode.German.LU
-        IetfLanguageCode.DivehiDhivehiMaldivian.code -> IetfLanguageCode.DivehiDhivehiMaldivian
-        IetfLanguageCode.Dzongkha.code -> IetfLanguageCode.Dzongkha
-        IetfLanguageCode.Dzongkha.BT.code -> IetfLanguageCode.Dzongkha.BT
-        IetfLanguageCode.Ewe.code -> IetfLanguageCode.Ewe
-        IetfLanguageCode.Ewe.GH.code -> IetfLanguageCode.Ewe.GH
-        IetfLanguageCode.Ewe.TG.code -> IetfLanguageCode.Ewe.TG
-        IetfLanguageCode.GreekModern1453.code -> IetfLanguageCode.GreekModern1453
-        IetfLanguageCode.GreekModern1453.CY.code -> IetfLanguageCode.GreekModern1453.CY
-        IetfLanguageCode.GreekModern1453.GR.code -> IetfLanguageCode.GreekModern1453.GR
-        IetfLanguageCode.English.code -> IetfLanguageCode.English
-        IetfLanguageCode.English.L001.code -> IetfLanguageCode.English.L001
-        IetfLanguageCode.English.L150.code -> IetfLanguageCode.English.L150
-        IetfLanguageCode.English.AE.code -> IetfLanguageCode.English.AE
-        IetfLanguageCode.English.AG.code -> IetfLanguageCode.English.AG
-        IetfLanguageCode.English.AI.code -> IetfLanguageCode.English.AI
-        IetfLanguageCode.English.AS.code -> IetfLanguageCode.English.AS
-        IetfLanguageCode.English.AT.code -> IetfLanguageCode.English.AT
-        IetfLanguageCode.English.AU.code -> IetfLanguageCode.English.AU
-        IetfLanguageCode.English.BB.code -> IetfLanguageCode.English.BB
-        IetfLanguageCode.English.BE.code -> IetfLanguageCode.English.BE
-        IetfLanguageCode.English.BI.code -> IetfLanguageCode.English.BI
-        IetfLanguageCode.English.BM.code -> IetfLanguageCode.English.BM
-        IetfLanguageCode.English.BS.code -> IetfLanguageCode.English.BS
-        IetfLanguageCode.English.BW.code -> IetfLanguageCode.English.BW
-        IetfLanguageCode.English.BZ.code -> IetfLanguageCode.English.BZ
-        IetfLanguageCode.English.CA.code -> IetfLanguageCode.English.CA
-        IetfLanguageCode.English.CC.code -> IetfLanguageCode.English.CC
-        IetfLanguageCode.English.CH.code -> IetfLanguageCode.English.CH
-        IetfLanguageCode.English.CK.code -> IetfLanguageCode.English.CK
-        IetfLanguageCode.English.CM.code -> IetfLanguageCode.English.CM
-        IetfLanguageCode.English.CX.code -> IetfLanguageCode.English.CX
-        IetfLanguageCode.English.CY.code -> IetfLanguageCode.English.CY
-        IetfLanguageCode.English.DE.code -> IetfLanguageCode.English.DE
-        IetfLanguageCode.English.DG.code -> IetfLanguageCode.English.DG
-        IetfLanguageCode.English.DK.code -> IetfLanguageCode.English.DK
-        IetfLanguageCode.English.DM.code -> IetfLanguageCode.English.DM
-        IetfLanguageCode.English.ER.code -> IetfLanguageCode.English.ER
-        IetfLanguageCode.English.FI.code -> IetfLanguageCode.English.FI
-        IetfLanguageCode.English.FJ.code -> IetfLanguageCode.English.FJ
-        IetfLanguageCode.English.FK.code -> IetfLanguageCode.English.FK
-        IetfLanguageCode.English.FM.code -> IetfLanguageCode.English.FM
-        IetfLanguageCode.English.GB.code -> IetfLanguageCode.English.GB
-        IetfLanguageCode.English.GD.code -> IetfLanguageCode.English.GD
-        IetfLanguageCode.English.GG.code -> IetfLanguageCode.English.GG
-        IetfLanguageCode.English.GH.code -> IetfLanguageCode.English.GH
-        IetfLanguageCode.English.GI.code -> IetfLanguageCode.English.GI
-        IetfLanguageCode.English.GM.code -> IetfLanguageCode.English.GM
-        IetfLanguageCode.English.GU.code -> IetfLanguageCode.English.GU
-        IetfLanguageCode.English.GY.code -> IetfLanguageCode.English.GY
-        IetfLanguageCode.English.HK.code -> IetfLanguageCode.English.HK
-        IetfLanguageCode.English.IE.code -> IetfLanguageCode.English.IE
-        IetfLanguageCode.English.IL.code -> IetfLanguageCode.English.IL
-        IetfLanguageCode.English.IM.code -> IetfLanguageCode.English.IM
-        IetfLanguageCode.English.IN.code -> IetfLanguageCode.English.IN
-        IetfLanguageCode.English.IO.code -> IetfLanguageCode.English.IO
-        IetfLanguageCode.English.JE.code -> IetfLanguageCode.English.JE
-        IetfLanguageCode.English.JM.code -> IetfLanguageCode.English.JM
-        IetfLanguageCode.English.KE.code -> IetfLanguageCode.English.KE
-        IetfLanguageCode.English.KI.code -> IetfLanguageCode.English.KI
-        IetfLanguageCode.English.KN.code -> IetfLanguageCode.English.KN
-        IetfLanguageCode.English.KY.code -> IetfLanguageCode.English.KY
-        IetfLanguageCode.English.LC.code -> IetfLanguageCode.English.LC
-        IetfLanguageCode.English.LR.code -> IetfLanguageCode.English.LR
-        IetfLanguageCode.English.LS.code -> IetfLanguageCode.English.LS
-        IetfLanguageCode.English.MG.code -> IetfLanguageCode.English.MG
-        IetfLanguageCode.English.MH.code -> IetfLanguageCode.English.MH
-        IetfLanguageCode.English.MO.code -> IetfLanguageCode.English.MO
-        IetfLanguageCode.English.MP.code -> IetfLanguageCode.English.MP
-        IetfLanguageCode.English.MS.code -> IetfLanguageCode.English.MS
-        IetfLanguageCode.English.MT.code -> IetfLanguageCode.English.MT
-        IetfLanguageCode.English.MU.code -> IetfLanguageCode.English.MU
-        IetfLanguageCode.English.MW.code -> IetfLanguageCode.English.MW
-        IetfLanguageCode.English.MY.code -> IetfLanguageCode.English.MY
-        IetfLanguageCode.English.NA.code -> IetfLanguageCode.English.NA
-        IetfLanguageCode.English.NF.code -> IetfLanguageCode.English.NF
-        IetfLanguageCode.English.NG.code -> IetfLanguageCode.English.NG
-        IetfLanguageCode.English.NL.code -> IetfLanguageCode.English.NL
-        IetfLanguageCode.English.NR.code -> IetfLanguageCode.English.NR
-        IetfLanguageCode.English.NU.code -> IetfLanguageCode.English.NU
-        IetfLanguageCode.English.NZ.code -> IetfLanguageCode.English.NZ
-        IetfLanguageCode.English.PG.code -> IetfLanguageCode.English.PG
-        IetfLanguageCode.English.PH.code -> IetfLanguageCode.English.PH
-        IetfLanguageCode.English.PK.code -> IetfLanguageCode.English.PK
-        IetfLanguageCode.English.PN.code -> IetfLanguageCode.English.PN
-        IetfLanguageCode.English.PR.code -> IetfLanguageCode.English.PR
-        IetfLanguageCode.English.PW.code -> IetfLanguageCode.English.PW
-        IetfLanguageCode.English.RW.code -> IetfLanguageCode.English.RW
-        IetfLanguageCode.English.SB.code -> IetfLanguageCode.English.SB
-        IetfLanguageCode.English.SC.code -> IetfLanguageCode.English.SC
-        IetfLanguageCode.English.SD.code -> IetfLanguageCode.English.SD
-        IetfLanguageCode.English.SE.code -> IetfLanguageCode.English.SE
-        IetfLanguageCode.English.SG.code -> IetfLanguageCode.English.SG
-        IetfLanguageCode.English.SH.code -> IetfLanguageCode.English.SH
-        IetfLanguageCode.English.SI.code -> IetfLanguageCode.English.SI
-        IetfLanguageCode.English.SL.code -> IetfLanguageCode.English.SL
-        IetfLanguageCode.English.SS.code -> IetfLanguageCode.English.SS
-        IetfLanguageCode.English.SX.code -> IetfLanguageCode.English.SX
-        IetfLanguageCode.English.SZ.code -> IetfLanguageCode.English.SZ
-        IetfLanguageCode.English.TC.code -> IetfLanguageCode.English.TC
-        IetfLanguageCode.English.TK.code -> IetfLanguageCode.English.TK
-        IetfLanguageCode.English.TO.code -> IetfLanguageCode.English.TO
-        IetfLanguageCode.English.TT.code -> IetfLanguageCode.English.TT
-        IetfLanguageCode.English.TV.code -> IetfLanguageCode.English.TV
-        IetfLanguageCode.English.TZ.code -> IetfLanguageCode.English.TZ
-        IetfLanguageCode.English.UG.code -> IetfLanguageCode.English.UG
-        IetfLanguageCode.English.UM.code -> IetfLanguageCode.English.UM
-        IetfLanguageCode.English.US.code -> IetfLanguageCode.English.US
-        IetfLanguageCode.English.US.POSIX.code -> IetfLanguageCode.English.US.POSIX
-        IetfLanguageCode.English.VC.code -> IetfLanguageCode.English.VC
-        IetfLanguageCode.English.VG.code -> IetfLanguageCode.English.VG
-        IetfLanguageCode.English.VI.code -> IetfLanguageCode.English.VI
-        IetfLanguageCode.English.VU.code -> IetfLanguageCode.English.VU
-        IetfLanguageCode.English.WS.code -> IetfLanguageCode.English.WS
-        IetfLanguageCode.English.ZA.code -> IetfLanguageCode.English.ZA
-        IetfLanguageCode.English.ZM.code -> IetfLanguageCode.English.ZM
-        IetfLanguageCode.English.ZW.code -> IetfLanguageCode.English.ZW
-        IetfLanguageCode.Esperanto.code -> IetfLanguageCode.Esperanto
-        IetfLanguageCode.Esperanto.L001.code -> IetfLanguageCode.Esperanto.L001
-        IetfLanguageCode.SpanishCastilian.code -> IetfLanguageCode.SpanishCastilian
-        IetfLanguageCode.SpanishCastilian.L419.code -> IetfLanguageCode.SpanishCastilian.L419
-        IetfLanguageCode.SpanishCastilian.AR.code -> IetfLanguageCode.SpanishCastilian.AR
-        IetfLanguageCode.SpanishCastilian.BO.code -> IetfLanguageCode.SpanishCastilian.BO
-        IetfLanguageCode.SpanishCastilian.BR.code -> IetfLanguageCode.SpanishCastilian.BR
-        IetfLanguageCode.SpanishCastilian.BZ.code -> IetfLanguageCode.SpanishCastilian.BZ
-        IetfLanguageCode.SpanishCastilian.CL.code -> IetfLanguageCode.SpanishCastilian.CL
-        IetfLanguageCode.SpanishCastilian.CO.code -> IetfLanguageCode.SpanishCastilian.CO
-        IetfLanguageCode.SpanishCastilian.CR.code -> IetfLanguageCode.SpanishCastilian.CR
-        IetfLanguageCode.SpanishCastilian.CU.code -> IetfLanguageCode.SpanishCastilian.CU
-        IetfLanguageCode.SpanishCastilian.DO.code -> IetfLanguageCode.SpanishCastilian.DO
-        IetfLanguageCode.SpanishCastilian.EA.code -> IetfLanguageCode.SpanishCastilian.EA
-        IetfLanguageCode.SpanishCastilian.EC.code -> IetfLanguageCode.SpanishCastilian.EC
-        IetfLanguageCode.SpanishCastilian.ES.code -> IetfLanguageCode.SpanishCastilian.ES
-        IetfLanguageCode.SpanishCastilian.GQ.code -> IetfLanguageCode.SpanishCastilian.GQ
-        IetfLanguageCode.SpanishCastilian.GT.code -> IetfLanguageCode.SpanishCastilian.GT
-        IetfLanguageCode.SpanishCastilian.HN.code -> IetfLanguageCode.SpanishCastilian.HN
-        IetfLanguageCode.SpanishCastilian.IC.code -> IetfLanguageCode.SpanishCastilian.IC
-        IetfLanguageCode.SpanishCastilian.MX.code -> IetfLanguageCode.SpanishCastilian.MX
-        IetfLanguageCode.SpanishCastilian.NI.code -> IetfLanguageCode.SpanishCastilian.NI
-        IetfLanguageCode.SpanishCastilian.PA.code -> IetfLanguageCode.SpanishCastilian.PA
-        IetfLanguageCode.SpanishCastilian.PE.code -> IetfLanguageCode.SpanishCastilian.PE
-        IetfLanguageCode.SpanishCastilian.PH.code -> IetfLanguageCode.SpanishCastilian.PH
-        IetfLanguageCode.SpanishCastilian.PR.code -> IetfLanguageCode.SpanishCastilian.PR
-        IetfLanguageCode.SpanishCastilian.PY.code -> IetfLanguageCode.SpanishCastilian.PY
-        IetfLanguageCode.SpanishCastilian.SV.code -> IetfLanguageCode.SpanishCastilian.SV
-        IetfLanguageCode.SpanishCastilian.US.code -> IetfLanguageCode.SpanishCastilian.US
-        IetfLanguageCode.SpanishCastilian.UY.code -> IetfLanguageCode.SpanishCastilian.UY
-        IetfLanguageCode.SpanishCastilian.VE.code -> IetfLanguageCode.SpanishCastilian.VE
-        IetfLanguageCode.Estonian.code -> IetfLanguageCode.Estonian
-        IetfLanguageCode.Estonian.EE.code -> IetfLanguageCode.Estonian.EE
-        IetfLanguageCode.Basque.code -> IetfLanguageCode.Basque
-        IetfLanguageCode.Basque.ES.code -> IetfLanguageCode.Basque.ES
-        IetfLanguageCode.Persian.code -> IetfLanguageCode.Persian
-        IetfLanguageCode.Persian.AF.code -> IetfLanguageCode.Persian.AF
-        IetfLanguageCode.Persian.IR.code -> IetfLanguageCode.Persian.IR
-        IetfLanguageCode.Fulah.code -> IetfLanguageCode.Fulah
-        IetfLanguageCode.Fulah.Adlm.code -> IetfLanguageCode.Fulah.Adlm
-        IetfLanguageCode.Fulah.Adlm.BF.code -> IetfLanguageCode.Fulah.Adlm.BF
-        IetfLanguageCode.Fulah.Adlm.CM.code -> IetfLanguageCode.Fulah.Adlm.CM
-        IetfLanguageCode.Fulah.Adlm.GH.code -> IetfLanguageCode.Fulah.Adlm.GH
-        IetfLanguageCode.Fulah.Adlm.GM.code -> IetfLanguageCode.Fulah.Adlm.GM
-        IetfLanguageCode.Fulah.Adlm.GN.code -> IetfLanguageCode.Fulah.Adlm.GN
-        IetfLanguageCode.Fulah.Adlm.GW.code -> IetfLanguageCode.Fulah.Adlm.GW
-        IetfLanguageCode.Fulah.Adlm.LR.code -> IetfLanguageCode.Fulah.Adlm.LR
-        IetfLanguageCode.Fulah.Adlm.MR.code -> IetfLanguageCode.Fulah.Adlm.MR
-        IetfLanguageCode.Fulah.Adlm.NE.code -> IetfLanguageCode.Fulah.Adlm.NE
-        IetfLanguageCode.Fulah.Adlm.NG.code -> IetfLanguageCode.Fulah.Adlm.NG
-        IetfLanguageCode.Fulah.Adlm.SL.code -> IetfLanguageCode.Fulah.Adlm.SL
-        IetfLanguageCode.Fulah.Adlm.SN.code -> IetfLanguageCode.Fulah.Adlm.SN
-        IetfLanguageCode.Fulah.Latn.code -> IetfLanguageCode.Fulah.Latn
-        IetfLanguageCode.Fulah.Latn.BF.code -> IetfLanguageCode.Fulah.Latn.BF
-        IetfLanguageCode.Fulah.Latn.CM.code -> IetfLanguageCode.Fulah.Latn.CM
-        IetfLanguageCode.Fulah.Latn.GH.code -> IetfLanguageCode.Fulah.Latn.GH
-        IetfLanguageCode.Fulah.Latn.GM.code -> IetfLanguageCode.Fulah.Latn.GM
-        IetfLanguageCode.Fulah.Latn.GN.code -> IetfLanguageCode.Fulah.Latn.GN
-        IetfLanguageCode.Fulah.Latn.GW.code -> IetfLanguageCode.Fulah.Latn.GW
-        IetfLanguageCode.Fulah.Latn.LR.code -> IetfLanguageCode.Fulah.Latn.LR
-        IetfLanguageCode.Fulah.Latn.MR.code -> IetfLanguageCode.Fulah.Latn.MR
-        IetfLanguageCode.Fulah.Latn.NE.code -> IetfLanguageCode.Fulah.Latn.NE
-        IetfLanguageCode.Fulah.Latn.NG.code -> IetfLanguageCode.Fulah.Latn.NG
-        IetfLanguageCode.Fulah.Latn.SL.code -> IetfLanguageCode.Fulah.Latn.SL
-        IetfLanguageCode.Fulah.Latn.SN.code -> IetfLanguageCode.Fulah.Latn.SN
-        IetfLanguageCode.Finnish.code -> IetfLanguageCode.Finnish
-        IetfLanguageCode.Finnish.FI.code -> IetfLanguageCode.Finnish.FI
-        IetfLanguageCode.Fijian.code -> IetfLanguageCode.Fijian
-        IetfLanguageCode.Faroese.code -> IetfLanguageCode.Faroese
-        IetfLanguageCode.Faroese.DK.code -> IetfLanguageCode.Faroese.DK
-        IetfLanguageCode.Faroese.FO.code -> IetfLanguageCode.Faroese.FO
-        IetfLanguageCode.French.code -> IetfLanguageCode.French
-        IetfLanguageCode.French.BE.code -> IetfLanguageCode.French.BE
-        IetfLanguageCode.French.BF.code -> IetfLanguageCode.French.BF
-        IetfLanguageCode.French.BI.code -> IetfLanguageCode.French.BI
-        IetfLanguageCode.French.BJ.code -> IetfLanguageCode.French.BJ
-        IetfLanguageCode.French.BL.code -> IetfLanguageCode.French.BL
-        IetfLanguageCode.French.CA.code -> IetfLanguageCode.French.CA
-        IetfLanguageCode.French.CD.code -> IetfLanguageCode.French.CD
-        IetfLanguageCode.French.CF.code -> IetfLanguageCode.French.CF
-        IetfLanguageCode.French.CG.code -> IetfLanguageCode.French.CG
-        IetfLanguageCode.French.CH.code -> IetfLanguageCode.French.CH
-        IetfLanguageCode.French.CI.code -> IetfLanguageCode.French.CI
-        IetfLanguageCode.French.CM.code -> IetfLanguageCode.French.CM
-        IetfLanguageCode.French.DJ.code -> IetfLanguageCode.French.DJ
-        IetfLanguageCode.French.DZ.code -> IetfLanguageCode.French.DZ
-        IetfLanguageCode.French.FR.code -> IetfLanguageCode.French.FR
-        IetfLanguageCode.French.GA.code -> IetfLanguageCode.French.GA
-        IetfLanguageCode.French.GF.code -> IetfLanguageCode.French.GF
-        IetfLanguageCode.French.GN.code -> IetfLanguageCode.French.GN
-        IetfLanguageCode.French.GP.code -> IetfLanguageCode.French.GP
-        IetfLanguageCode.French.GQ.code -> IetfLanguageCode.French.GQ
-        IetfLanguageCode.French.HT.code -> IetfLanguageCode.French.HT
-        IetfLanguageCode.French.KM.code -> IetfLanguageCode.French.KM
-        IetfLanguageCode.French.LU.code -> IetfLanguageCode.French.LU
-        IetfLanguageCode.French.MA.code -> IetfLanguageCode.French.MA
-        IetfLanguageCode.French.MC.code -> IetfLanguageCode.French.MC
-        IetfLanguageCode.French.MF.code -> IetfLanguageCode.French.MF
-        IetfLanguageCode.French.MG.code -> IetfLanguageCode.French.MG
-        IetfLanguageCode.French.ML.code -> IetfLanguageCode.French.ML
-        IetfLanguageCode.French.MQ.code -> IetfLanguageCode.French.MQ
-        IetfLanguageCode.French.MR.code -> IetfLanguageCode.French.MR
-        IetfLanguageCode.French.MU.code -> IetfLanguageCode.French.MU
-        IetfLanguageCode.French.NC.code -> IetfLanguageCode.French.NC
-        IetfLanguageCode.French.NE.code -> IetfLanguageCode.French.NE
-        IetfLanguageCode.French.PF.code -> IetfLanguageCode.French.PF
-        IetfLanguageCode.French.PM.code -> IetfLanguageCode.French.PM
-        IetfLanguageCode.French.RE.code -> IetfLanguageCode.French.RE
-        IetfLanguageCode.French.RW.code -> IetfLanguageCode.French.RW
-        IetfLanguageCode.French.SC.code -> IetfLanguageCode.French.SC
-        IetfLanguageCode.French.SN.code -> IetfLanguageCode.French.SN
-        IetfLanguageCode.French.SY.code -> IetfLanguageCode.French.SY
-        IetfLanguageCode.French.TD.code -> IetfLanguageCode.French.TD
-        IetfLanguageCode.French.TG.code -> IetfLanguageCode.French.TG
-        IetfLanguageCode.French.TN.code -> IetfLanguageCode.French.TN
-        IetfLanguageCode.French.VU.code -> IetfLanguageCode.French.VU
-        IetfLanguageCode.French.WF.code -> IetfLanguageCode.French.WF
-        IetfLanguageCode.French.YT.code -> IetfLanguageCode.French.YT
-        IetfLanguageCode.WesternFrisian.code -> IetfLanguageCode.WesternFrisian
-        IetfLanguageCode.WesternFrisian.NL.code -> IetfLanguageCode.WesternFrisian.NL
-        IetfLanguageCode.Irish.code -> IetfLanguageCode.Irish
-        IetfLanguageCode.Irish.GB.code -> IetfLanguageCode.Irish.GB
-        IetfLanguageCode.Irish.IE.code -> IetfLanguageCode.Irish.IE
-        IetfLanguageCode.GaelicScottishGaelic.code -> IetfLanguageCode.GaelicScottishGaelic
-        IetfLanguageCode.GaelicScottishGaelic.GB.code -> IetfLanguageCode.GaelicScottishGaelic.GB
-        IetfLanguageCode.Galician.code -> IetfLanguageCode.Galician
-        IetfLanguageCode.Galician.ES.code -> IetfLanguageCode.Galician.ES
-        IetfLanguageCode.Guarani.code -> IetfLanguageCode.Guarani
-        IetfLanguageCode.Gujarati.code -> IetfLanguageCode.Gujarati
-        IetfLanguageCode.Gujarati.IN.code -> IetfLanguageCode.Gujarati.IN
-        IetfLanguageCode.Manx.code -> IetfLanguageCode.Manx
-        IetfLanguageCode.Manx.IM.code -> IetfLanguageCode.Manx.IM
-        IetfLanguageCode.Hausa.code -> IetfLanguageCode.Hausa
-        IetfLanguageCode.Hausa.GH.code -> IetfLanguageCode.Hausa.GH
-        IetfLanguageCode.Hausa.NE.code -> IetfLanguageCode.Hausa.NE
-        IetfLanguageCode.Hausa.NG.code -> IetfLanguageCode.Hausa.NG
-        IetfLanguageCode.Hebrew.code -> IetfLanguageCode.Hebrew
-        IetfLanguageCode.Hebrew.IL.code -> IetfLanguageCode.Hebrew.IL
-        IetfLanguageCode.Hindi.code -> IetfLanguageCode.Hindi
-        IetfLanguageCode.Hindi.IN.code -> IetfLanguageCode.Hindi.IN
-        IetfLanguageCode.HiriMotu.code -> IetfLanguageCode.HiriMotu
-        IetfLanguageCode.Croatian.code -> IetfLanguageCode.Croatian
-        IetfLanguageCode.Croatian.BA.code -> IetfLanguageCode.Croatian.BA
-        IetfLanguageCode.Croatian.HR.code -> IetfLanguageCode.Croatian.HR
-        IetfLanguageCode.HaitianHaitianCreole.code -> IetfLanguageCode.HaitianHaitianCreole
-        IetfLanguageCode.Hungarian.code -> IetfLanguageCode.Hungarian
-        IetfLanguageCode.Hungarian.HU.code -> IetfLanguageCode.Hungarian.HU
-        IetfLanguageCode.Armenian.code -> IetfLanguageCode.Armenian
-        IetfLanguageCode.Armenian.AM.code -> IetfLanguageCode.Armenian.AM
-        IetfLanguageCode.Herero.code -> IetfLanguageCode.Herero
-        IetfLanguageCode.InterlinguaInternationalAuxiliaryLanguageAssociation.code -> IetfLanguageCode.InterlinguaInternationalAuxiliaryLanguageAssociation
-        IetfLanguageCode.InterlinguaInternationalAuxiliaryLanguageAssociation.L001.code -> IetfLanguageCode.InterlinguaInternationalAuxiliaryLanguageAssociation.L001
-        IetfLanguageCode.Indonesian.code -> IetfLanguageCode.Indonesian
-        IetfLanguageCode.Indonesian.ID.code -> IetfLanguageCode.Indonesian.ID
-        IetfLanguageCode.InterlingueOccidental.code -> IetfLanguageCode.InterlingueOccidental
-        IetfLanguageCode.Igbo.code -> IetfLanguageCode.Igbo
-        IetfLanguageCode.Igbo.NG.code -> IetfLanguageCode.Igbo.NG
-        IetfLanguageCode.SichuanYiNuosu.code -> IetfLanguageCode.SichuanYiNuosu
-        IetfLanguageCode.SichuanYiNuosu.CN.code -> IetfLanguageCode.SichuanYiNuosu.CN
-        IetfLanguageCode.Inupiaq.code -> IetfLanguageCode.Inupiaq
-        IetfLanguageCode.Ido.code -> IetfLanguageCode.Ido
-        IetfLanguageCode.Icelandic.code -> IetfLanguageCode.Icelandic
-        IetfLanguageCode.Icelandic.IS.code -> IetfLanguageCode.Icelandic.IS
-        IetfLanguageCode.Italian.code -> IetfLanguageCode.Italian
-        IetfLanguageCode.Italian.CH.code -> IetfLanguageCode.Italian.CH
-        IetfLanguageCode.Italian.IT.code -> IetfLanguageCode.Italian.IT
-        IetfLanguageCode.Italian.SM.code -> IetfLanguageCode.Italian.SM
-        IetfLanguageCode.Italian.VA.code -> IetfLanguageCode.Italian.VA
-        IetfLanguageCode.Inuktitut.code -> IetfLanguageCode.Inuktitut
-        IetfLanguageCode.Japanese.code -> IetfLanguageCode.Japanese
-        IetfLanguageCode.Japanese.JP.code -> IetfLanguageCode.Japanese.JP
-        IetfLanguageCode.Javanese.code -> IetfLanguageCode.Javanese
-        IetfLanguageCode.Javanese.ID.code -> IetfLanguageCode.Javanese.ID
-        IetfLanguageCode.Georgian.code -> IetfLanguageCode.Georgian
-        IetfLanguageCode.Georgian.GE.code -> IetfLanguageCode.Georgian.GE
-        IetfLanguageCode.Kongo.code -> IetfLanguageCode.Kongo
-        IetfLanguageCode.KikuyuGikuyu.code -> IetfLanguageCode.KikuyuGikuyu
-        IetfLanguageCode.KikuyuGikuyu.KE.code -> IetfLanguageCode.KikuyuGikuyu.KE
-        IetfLanguageCode.KuanyamaKwanyama.code -> IetfLanguageCode.KuanyamaKwanyama
-        IetfLanguageCode.Kazakh.code -> IetfLanguageCode.Kazakh
-        IetfLanguageCode.Kazakh.KZ.code -> IetfLanguageCode.Kazakh.KZ
-        IetfLanguageCode.KalaallisutGreenlandic.code -> IetfLanguageCode.KalaallisutGreenlandic
-        IetfLanguageCode.KalaallisutGreenlandic.GL.code -> IetfLanguageCode.KalaallisutGreenlandic.GL
-        IetfLanguageCode.CentralKhmer.code -> IetfLanguageCode.CentralKhmer
-        IetfLanguageCode.CentralKhmer.KH.code -> IetfLanguageCode.CentralKhmer.KH
-        IetfLanguageCode.Kannada.code -> IetfLanguageCode.Kannada
-        IetfLanguageCode.Kannada.IN.code -> IetfLanguageCode.Kannada.IN
-        IetfLanguageCode.Korean.code -> IetfLanguageCode.Korean
-        IetfLanguageCode.Korean.KP.code -> IetfLanguageCode.Korean.KP
-        IetfLanguageCode.Korean.KR.code -> IetfLanguageCode.Korean.KR
-        IetfLanguageCode.Kanuri.code -> IetfLanguageCode.Kanuri
-        IetfLanguageCode.Kashmiri.code -> IetfLanguageCode.Kashmiri
-        IetfLanguageCode.Kashmiri.Arab.code -> IetfLanguageCode.Kashmiri.Arab
-        IetfLanguageCode.Kashmiri.Arab.IN.code -> IetfLanguageCode.Kashmiri.Arab.IN
-        IetfLanguageCode.Kurdish.code -> IetfLanguageCode.Kurdish
-        IetfLanguageCode.Kurdish.TR.code -> IetfLanguageCode.Kurdish.TR
-        IetfLanguageCode.Komi.code -> IetfLanguageCode.Komi
-        IetfLanguageCode.Cornish.code -> IetfLanguageCode.Cornish
-        IetfLanguageCode.Cornish.GB.code -> IetfLanguageCode.Cornish.GB
-        IetfLanguageCode.KirghizKyrgyz.code -> IetfLanguageCode.KirghizKyrgyz
-        IetfLanguageCode.KirghizKyrgyz.KG.code -> IetfLanguageCode.KirghizKyrgyz.KG
-        IetfLanguageCode.Latin.code -> IetfLanguageCode.Latin
-        IetfLanguageCode.LuxembourgishLetzeburgesch.code -> IetfLanguageCode.LuxembourgishLetzeburgesch
-        IetfLanguageCode.LuxembourgishLetzeburgesch.LU.code -> IetfLanguageCode.LuxembourgishLetzeburgesch.LU
-        IetfLanguageCode.Ganda.code -> IetfLanguageCode.Ganda
-        IetfLanguageCode.Ganda.UG.code -> IetfLanguageCode.Ganda.UG
-        IetfLanguageCode.LimburganLimburgerLimburgish.code -> IetfLanguageCode.LimburganLimburgerLimburgish
-        IetfLanguageCode.Lingala.code -> IetfLanguageCode.Lingala
-        IetfLanguageCode.Lingala.AO.code -> IetfLanguageCode.Lingala.AO
-        IetfLanguageCode.Lingala.CD.code -> IetfLanguageCode.Lingala.CD
-        IetfLanguageCode.Lingala.CF.code -> IetfLanguageCode.Lingala.CF
-        IetfLanguageCode.Lingala.CG.code -> IetfLanguageCode.Lingala.CG
-        IetfLanguageCode.Lao.code -> IetfLanguageCode.Lao
-        IetfLanguageCode.Lao.LA.code -> IetfLanguageCode.Lao.LA
-        IetfLanguageCode.Lithuanian.code -> IetfLanguageCode.Lithuanian
-        IetfLanguageCode.Lithuanian.LT.code -> IetfLanguageCode.Lithuanian.LT
-        IetfLanguageCode.LubaKatanga.code -> IetfLanguageCode.LubaKatanga
-        IetfLanguageCode.LubaKatanga.CD.code -> IetfLanguageCode.LubaKatanga.CD
-        IetfLanguageCode.Latvian.code -> IetfLanguageCode.Latvian
-        IetfLanguageCode.Latvian.LV.code -> IetfLanguageCode.Latvian.LV
-        IetfLanguageCode.Malagasy.code -> IetfLanguageCode.Malagasy
-        IetfLanguageCode.Malagasy.MG.code -> IetfLanguageCode.Malagasy.MG
-        IetfLanguageCode.Marshallese.code -> IetfLanguageCode.Marshallese
-        IetfLanguageCode.Maori.code -> IetfLanguageCode.Maori
-        IetfLanguageCode.Maori.NZ.code -> IetfLanguageCode.Maori.NZ
-        IetfLanguageCode.Macedonian.code -> IetfLanguageCode.Macedonian
-        IetfLanguageCode.Macedonian.MK.code -> IetfLanguageCode.Macedonian.MK
-        IetfLanguageCode.Malayalam.code -> IetfLanguageCode.Malayalam
-        IetfLanguageCode.Malayalam.IN.code -> IetfLanguageCode.Malayalam.IN
-        IetfLanguageCode.Mongolian.code -> IetfLanguageCode.Mongolian
-        IetfLanguageCode.Mongolian.MN.code -> IetfLanguageCode.Mongolian.MN
-        IetfLanguageCode.Marathi.code -> IetfLanguageCode.Marathi
-        IetfLanguageCode.Marathi.IN.code -> IetfLanguageCode.Marathi.IN
-        IetfLanguageCode.Malay.code -> IetfLanguageCode.Malay
-        IetfLanguageCode.Malay.BN.code -> IetfLanguageCode.Malay.BN
-        IetfLanguageCode.Malay.ID.code -> IetfLanguageCode.Malay.ID
-        IetfLanguageCode.Malay.MY.code -> IetfLanguageCode.Malay.MY
-        IetfLanguageCode.Malay.SG.code -> IetfLanguageCode.Malay.SG
-        IetfLanguageCode.Maltese.code -> IetfLanguageCode.Maltese
-        IetfLanguageCode.Maltese.MT.code -> IetfLanguageCode.Maltese.MT
-        IetfLanguageCode.Burmese.code -> IetfLanguageCode.Burmese
-        IetfLanguageCode.Burmese.MM.code -> IetfLanguageCode.Burmese.MM
-        IetfLanguageCode.Nauru.code -> IetfLanguageCode.Nauru
-        IetfLanguageCode.BokmalNorwegianNorwegianBokmal.code -> IetfLanguageCode.BokmalNorwegianNorwegianBokmal
-        IetfLanguageCode.BokmalNorwegianNorwegianBokmal.NO.code -> IetfLanguageCode.BokmalNorwegianNorwegianBokmal.NO
-        IetfLanguageCode.BokmalNorwegianNorwegianBokmal.SJ.code -> IetfLanguageCode.BokmalNorwegianNorwegianBokmal.SJ
-        IetfLanguageCode.NdebeleNorthNorthNdebele.code -> IetfLanguageCode.NdebeleNorthNorthNdebele
-        IetfLanguageCode.NdebeleNorthNorthNdebele.ZW.code -> IetfLanguageCode.NdebeleNorthNorthNdebele.ZW
-        IetfLanguageCode.Nepali.code -> IetfLanguageCode.Nepali
-        IetfLanguageCode.Nepali.IN.code -> IetfLanguageCode.Nepali.IN
-        IetfLanguageCode.Nepali.NP.code -> IetfLanguageCode.Nepali.NP
-        IetfLanguageCode.Ndonga.code -> IetfLanguageCode.Ndonga
-        IetfLanguageCode.DutchFlemish.code -> IetfLanguageCode.DutchFlemish
-        IetfLanguageCode.DutchFlemish.AW.code -> IetfLanguageCode.DutchFlemish.AW
-        IetfLanguageCode.DutchFlemish.BE.code -> IetfLanguageCode.DutchFlemish.BE
-        IetfLanguageCode.DutchFlemish.BQ.code -> IetfLanguageCode.DutchFlemish.BQ
-        IetfLanguageCode.DutchFlemish.CW.code -> IetfLanguageCode.DutchFlemish.CW
-        IetfLanguageCode.DutchFlemish.NL.code -> IetfLanguageCode.DutchFlemish.NL
-        IetfLanguageCode.DutchFlemish.SR.code -> IetfLanguageCode.DutchFlemish.SR
-        IetfLanguageCode.DutchFlemish.SX.code -> IetfLanguageCode.DutchFlemish.SX
-        IetfLanguageCode.NorwegianNynorskNynorskNorwegian.code -> IetfLanguageCode.NorwegianNynorskNynorskNorwegian
-        IetfLanguageCode.NorwegianNynorskNynorskNorwegian.NO.code -> IetfLanguageCode.NorwegianNynorskNynorskNorwegian.NO
-        IetfLanguageCode.Norwegian.code -> IetfLanguageCode.Norwegian
-        IetfLanguageCode.NdebeleSouthSouthNdebele.code -> IetfLanguageCode.NdebeleSouthSouthNdebele
-        IetfLanguageCode.NavajoNavaho.code -> IetfLanguageCode.NavajoNavaho
-        IetfLanguageCode.ChichewaChewaNyanja.code -> IetfLanguageCode.ChichewaChewaNyanja
-        IetfLanguageCode.OccitanPost1500.code -> IetfLanguageCode.OccitanPost1500
-        IetfLanguageCode.Ojibwa.code -> IetfLanguageCode.Ojibwa
-        IetfLanguageCode.Oromo.code -> IetfLanguageCode.Oromo
-        IetfLanguageCode.Oromo.ET.code -> IetfLanguageCode.Oromo.ET
-        IetfLanguageCode.Oromo.KE.code -> IetfLanguageCode.Oromo.KE
-        IetfLanguageCode.Oriya.code -> IetfLanguageCode.Oriya
-        IetfLanguageCode.Oriya.IN.code -> IetfLanguageCode.Oriya.IN
-        IetfLanguageCode.OssetianOssetic.code -> IetfLanguageCode.OssetianOssetic
-        IetfLanguageCode.OssetianOssetic.GE.code -> IetfLanguageCode.OssetianOssetic.GE
-        IetfLanguageCode.OssetianOssetic.RU.code -> IetfLanguageCode.OssetianOssetic.RU
-        IetfLanguageCode.PanjabiPunjabi.code -> IetfLanguageCode.PanjabiPunjabi
-        IetfLanguageCode.PanjabiPunjabi.Arab.code -> IetfLanguageCode.PanjabiPunjabi.Arab
-        IetfLanguageCode.PanjabiPunjabi.Arab.PK.code -> IetfLanguageCode.PanjabiPunjabi.Arab.PK
-        IetfLanguageCode.PanjabiPunjabi.Guru.code -> IetfLanguageCode.PanjabiPunjabi.Guru
-        IetfLanguageCode.PanjabiPunjabi.Guru.IN.code -> IetfLanguageCode.PanjabiPunjabi.Guru.IN
-        IetfLanguageCode.Pali.code -> IetfLanguageCode.Pali
-        IetfLanguageCode.Polish.code -> IetfLanguageCode.Polish
-        IetfLanguageCode.Polish.PL.code -> IetfLanguageCode.Polish.PL
-        IetfLanguageCode.PushtoPashto.code -> IetfLanguageCode.PushtoPashto
-        IetfLanguageCode.PushtoPashto.AF.code -> IetfLanguageCode.PushtoPashto.AF
-        IetfLanguageCode.PushtoPashto.PK.code -> IetfLanguageCode.PushtoPashto.PK
-        IetfLanguageCode.Portuguese.code -> IetfLanguageCode.Portuguese
-        IetfLanguageCode.Portuguese.AO.code -> IetfLanguageCode.Portuguese.AO
-        IetfLanguageCode.Portuguese.BR.code -> IetfLanguageCode.Portuguese.BR
-        IetfLanguageCode.Portuguese.CH.code -> IetfLanguageCode.Portuguese.CH
-        IetfLanguageCode.Portuguese.CV.code -> IetfLanguageCode.Portuguese.CV
-        IetfLanguageCode.Portuguese.GQ.code -> IetfLanguageCode.Portuguese.GQ
-        IetfLanguageCode.Portuguese.GW.code -> IetfLanguageCode.Portuguese.GW
-        IetfLanguageCode.Portuguese.LU.code -> IetfLanguageCode.Portuguese.LU
-        IetfLanguageCode.Portuguese.MO.code -> IetfLanguageCode.Portuguese.MO
-        IetfLanguageCode.Portuguese.MZ.code -> IetfLanguageCode.Portuguese.MZ
-        IetfLanguageCode.Portuguese.PT.code -> IetfLanguageCode.Portuguese.PT
-        IetfLanguageCode.Portuguese.ST.code -> IetfLanguageCode.Portuguese.ST
-        IetfLanguageCode.Portuguese.TL.code -> IetfLanguageCode.Portuguese.TL
-        IetfLanguageCode.Quechua.code -> IetfLanguageCode.Quechua
-        IetfLanguageCode.Quechua.BO.code -> IetfLanguageCode.Quechua.BO
-        IetfLanguageCode.Quechua.EC.code -> IetfLanguageCode.Quechua.EC
-        IetfLanguageCode.Quechua.PE.code -> IetfLanguageCode.Quechua.PE
-        IetfLanguageCode.Romansh.code -> IetfLanguageCode.Romansh
-        IetfLanguageCode.Romansh.CH.code -> IetfLanguageCode.Romansh.CH
-        IetfLanguageCode.Rundi.code -> IetfLanguageCode.Rundi
-        IetfLanguageCode.Rundi.BI.code -> IetfLanguageCode.Rundi.BI
-        IetfLanguageCode.RomanianMoldavianMoldovan.code -> IetfLanguageCode.RomanianMoldavianMoldovan
-        IetfLanguageCode.RomanianMoldavianMoldovan.MD.code -> IetfLanguageCode.RomanianMoldavianMoldovan.MD
-        IetfLanguageCode.RomanianMoldavianMoldovan.RO.code -> IetfLanguageCode.RomanianMoldavianMoldovan.RO
-        IetfLanguageCode.Russian.code -> IetfLanguageCode.Russian
-        IetfLanguageCode.Russian.BY.code -> IetfLanguageCode.Russian.BY
-        IetfLanguageCode.Russian.KG.code -> IetfLanguageCode.Russian.KG
-        IetfLanguageCode.Russian.KZ.code -> IetfLanguageCode.Russian.KZ
-        IetfLanguageCode.Russian.MD.code -> IetfLanguageCode.Russian.MD
-        IetfLanguageCode.Russian.RU.code -> IetfLanguageCode.Russian.RU
-        IetfLanguageCode.Russian.UA.code -> IetfLanguageCode.Russian.UA
-        IetfLanguageCode.Kinyarwanda.code -> IetfLanguageCode.Kinyarwanda
-        IetfLanguageCode.Kinyarwanda.RW.code -> IetfLanguageCode.Kinyarwanda.RW
-        IetfLanguageCode.Sanskrit.code -> IetfLanguageCode.Sanskrit
-        IetfLanguageCode.Sardinian.code -> IetfLanguageCode.Sardinian
-        IetfLanguageCode.Sindhi.code -> IetfLanguageCode.Sindhi
-        IetfLanguageCode.Sindhi.Arab.code -> IetfLanguageCode.Sindhi.Arab
-        IetfLanguageCode.Sindhi.Arab.PK.code -> IetfLanguageCode.Sindhi.Arab.PK
-        IetfLanguageCode.Sindhi.Deva.code -> IetfLanguageCode.Sindhi.Deva
-        IetfLanguageCode.Sindhi.Deva.IN.code -> IetfLanguageCode.Sindhi.Deva.IN
-        IetfLanguageCode.NorthernSami.code -> IetfLanguageCode.NorthernSami
-        IetfLanguageCode.NorthernSami.FI.code -> IetfLanguageCode.NorthernSami.FI
-        IetfLanguageCode.NorthernSami.NO.code -> IetfLanguageCode.NorthernSami.NO
-        IetfLanguageCode.NorthernSami.SE.code -> IetfLanguageCode.NorthernSami.SE
-        IetfLanguageCode.Sango.code -> IetfLanguageCode.Sango
-        IetfLanguageCode.Sango.CF.code -> IetfLanguageCode.Sango.CF
-        IetfLanguageCode.SinhalaSinhalese.code -> IetfLanguageCode.SinhalaSinhalese
-        IetfLanguageCode.SinhalaSinhalese.LK.code -> IetfLanguageCode.SinhalaSinhalese.LK
-        IetfLanguageCode.Slovak.code -> IetfLanguageCode.Slovak
-        IetfLanguageCode.Slovak.SK.code -> IetfLanguageCode.Slovak.SK
-        IetfLanguageCode.Slovenian.code -> IetfLanguageCode.Slovenian
-        IetfLanguageCode.Slovenian.SI.code -> IetfLanguageCode.Slovenian.SI
-        IetfLanguageCode.Samoan.code -> IetfLanguageCode.Samoan
-        IetfLanguageCode.Shona.code -> IetfLanguageCode.Shona
-        IetfLanguageCode.Shona.ZW.code -> IetfLanguageCode.Shona.ZW
-        IetfLanguageCode.Somali.code -> IetfLanguageCode.Somali
-        IetfLanguageCode.Somali.DJ.code -> IetfLanguageCode.Somali.DJ
-        IetfLanguageCode.Somali.ET.code -> IetfLanguageCode.Somali.ET
-        IetfLanguageCode.Somali.KE.code -> IetfLanguageCode.Somali.KE
-        IetfLanguageCode.Somali.SO.code -> IetfLanguageCode.Somali.SO
-        IetfLanguageCode.Albanian.code -> IetfLanguageCode.Albanian
-        IetfLanguageCode.Albanian.AL.code -> IetfLanguageCode.Albanian.AL
-        IetfLanguageCode.Albanian.MK.code -> IetfLanguageCode.Albanian.MK
-        IetfLanguageCode.Albanian.XK.code -> IetfLanguageCode.Albanian.XK
-        IetfLanguageCode.Serbian.code -> IetfLanguageCode.Serbian
-        IetfLanguageCode.Serbian.Cyrl.code -> IetfLanguageCode.Serbian.Cyrl
-        IetfLanguageCode.Serbian.Cyrl.BA.code -> IetfLanguageCode.Serbian.Cyrl.BA
-        IetfLanguageCode.Serbian.Cyrl.ME.code -> IetfLanguageCode.Serbian.Cyrl.ME
-        IetfLanguageCode.Serbian.Cyrl.RS.code -> IetfLanguageCode.Serbian.Cyrl.RS
-        IetfLanguageCode.Serbian.Cyrl.XK.code -> IetfLanguageCode.Serbian.Cyrl.XK
-        IetfLanguageCode.Serbian.Latn.code -> IetfLanguageCode.Serbian.Latn
-        IetfLanguageCode.Serbian.Latn.BA.code -> IetfLanguageCode.Serbian.Latn.BA
-        IetfLanguageCode.Serbian.Latn.ME.code -> IetfLanguageCode.Serbian.Latn.ME
-        IetfLanguageCode.Serbian.Latn.RS.code -> IetfLanguageCode.Serbian.Latn.RS
-        IetfLanguageCode.Serbian.Latn.XK.code -> IetfLanguageCode.Serbian.Latn.XK
-        IetfLanguageCode.Swati.code -> IetfLanguageCode.Swati
-        IetfLanguageCode.SothoSouthern.code -> IetfLanguageCode.SothoSouthern
-        IetfLanguageCode.Sundanese.code -> IetfLanguageCode.Sundanese
-        IetfLanguageCode.Sundanese.Latn.code -> IetfLanguageCode.Sundanese.Latn
-        IetfLanguageCode.Sundanese.Latn.ID.code -> IetfLanguageCode.Sundanese.Latn.ID
-        IetfLanguageCode.Swedish.code -> IetfLanguageCode.Swedish
-        IetfLanguageCode.Swedish.AX.code -> IetfLanguageCode.Swedish.AX
-        IetfLanguageCode.Swedish.FI.code -> IetfLanguageCode.Swedish.FI
-        IetfLanguageCode.Swedish.SE.code -> IetfLanguageCode.Swedish.SE
-        IetfLanguageCode.Swahili.code -> IetfLanguageCode.Swahili
-        IetfLanguageCode.Swahili.CD.code -> IetfLanguageCode.Swahili.CD
-        IetfLanguageCode.Swahili.KE.code -> IetfLanguageCode.Swahili.KE
-        IetfLanguageCode.Swahili.TZ.code -> IetfLanguageCode.Swahili.TZ
-        IetfLanguageCode.Swahili.UG.code -> IetfLanguageCode.Swahili.UG
-        IetfLanguageCode.Tamil.code -> IetfLanguageCode.Tamil
-        IetfLanguageCode.Tamil.IN.code -> IetfLanguageCode.Tamil.IN
-        IetfLanguageCode.Tamil.LK.code -> IetfLanguageCode.Tamil.LK
-        IetfLanguageCode.Tamil.MY.code -> IetfLanguageCode.Tamil.MY
-        IetfLanguageCode.Tamil.SG.code -> IetfLanguageCode.Tamil.SG
-        IetfLanguageCode.Telugu.code -> IetfLanguageCode.Telugu
-        IetfLanguageCode.Telugu.IN.code -> IetfLanguageCode.Telugu.IN
-        IetfLanguageCode.Tajik.code -> IetfLanguageCode.Tajik
-        IetfLanguageCode.Tajik.TJ.code -> IetfLanguageCode.Tajik.TJ
-        IetfLanguageCode.Thai.code -> IetfLanguageCode.Thai
-        IetfLanguageCode.Thai.TH.code -> IetfLanguageCode.Thai.TH
-        IetfLanguageCode.Tigrinya.code -> IetfLanguageCode.Tigrinya
-        IetfLanguageCode.Tigrinya.ER.code -> IetfLanguageCode.Tigrinya.ER
-        IetfLanguageCode.Tigrinya.ET.code -> IetfLanguageCode.Tigrinya.ET
-        IetfLanguageCode.Turkmen.code -> IetfLanguageCode.Turkmen
-        IetfLanguageCode.Turkmen.TM.code -> IetfLanguageCode.Turkmen.TM
-        IetfLanguageCode.Tagalog.code -> IetfLanguageCode.Tagalog
-        IetfLanguageCode.Tswana.code -> IetfLanguageCode.Tswana
-        IetfLanguageCode.TongaTongaIslands.code -> IetfLanguageCode.TongaTongaIslands
-        IetfLanguageCode.TongaTongaIslands.TO.code -> IetfLanguageCode.TongaTongaIslands.TO
-        IetfLanguageCode.Turkish.code -> IetfLanguageCode.Turkish
-        IetfLanguageCode.Turkish.CY.code -> IetfLanguageCode.Turkish.CY
-        IetfLanguageCode.Turkish.TR.code -> IetfLanguageCode.Turkish.TR
-        IetfLanguageCode.Tsonga.code -> IetfLanguageCode.Tsonga
-        IetfLanguageCode.Tatar.code -> IetfLanguageCode.Tatar
-        IetfLanguageCode.Tatar.RU.code -> IetfLanguageCode.Tatar.RU
-        IetfLanguageCode.Twi.code -> IetfLanguageCode.Twi
-        IetfLanguageCode.Tahitian.code -> IetfLanguageCode.Tahitian
-        IetfLanguageCode.UighurUyghur.code -> IetfLanguageCode.UighurUyghur
-        IetfLanguageCode.UighurUyghur.CN.code -> IetfLanguageCode.UighurUyghur.CN
-        IetfLanguageCode.Ukrainian.code -> IetfLanguageCode.Ukrainian
-        IetfLanguageCode.Ukrainian.UA.code -> IetfLanguageCode.Ukrainian.UA
-        IetfLanguageCode.Urdu.code -> IetfLanguageCode.Urdu
-        IetfLanguageCode.Urdu.IN.code -> IetfLanguageCode.Urdu.IN
-        IetfLanguageCode.Urdu.PK.code -> IetfLanguageCode.Urdu.PK
-        IetfLanguageCode.Uzbek.code -> IetfLanguageCode.Uzbek
-        IetfLanguageCode.Uzbek.Arab.code -> IetfLanguageCode.Uzbek.Arab
-        IetfLanguageCode.Uzbek.Arab.AF.code -> IetfLanguageCode.Uzbek.Arab.AF
-        IetfLanguageCode.Uzbek.Cyrl.code -> IetfLanguageCode.Uzbek.Cyrl
-        IetfLanguageCode.Uzbek.Cyrl.UZ.code -> IetfLanguageCode.Uzbek.Cyrl.UZ
-        IetfLanguageCode.Uzbek.Latn.code -> IetfLanguageCode.Uzbek.Latn
-        IetfLanguageCode.Uzbek.Latn.UZ.code -> IetfLanguageCode.Uzbek.Latn.UZ
-        IetfLanguageCode.Venda.code -> IetfLanguageCode.Venda
-        IetfLanguageCode.Vietnamese.code -> IetfLanguageCode.Vietnamese
-        IetfLanguageCode.Vietnamese.VN.code -> IetfLanguageCode.Vietnamese.VN
-        IetfLanguageCode.Volapuk.code -> IetfLanguageCode.Volapuk
-        IetfLanguageCode.Volapuk.L001.code -> IetfLanguageCode.Volapuk.L001
-        IetfLanguageCode.Walloon.code -> IetfLanguageCode.Walloon
-        IetfLanguageCode.Wolof.code -> IetfLanguageCode.Wolof
-        IetfLanguageCode.Wolof.SN.code -> IetfLanguageCode.Wolof.SN
-        IetfLanguageCode.Xhosa.code -> IetfLanguageCode.Xhosa
-        IetfLanguageCode.Xhosa.ZA.code -> IetfLanguageCode.Xhosa.ZA
-        IetfLanguageCode.Yiddish.code -> IetfLanguageCode.Yiddish
-        IetfLanguageCode.Yiddish.L001.code -> IetfLanguageCode.Yiddish.L001
-        IetfLanguageCode.Yoruba.code -> IetfLanguageCode.Yoruba
-        IetfLanguageCode.Yoruba.BJ.code -> IetfLanguageCode.Yoruba.BJ
-        IetfLanguageCode.Yoruba.NG.code -> IetfLanguageCode.Yoruba.NG
-        IetfLanguageCode.ZhuangChuang.code -> IetfLanguageCode.ZhuangChuang
-        IetfLanguageCode.Chinese.code -> IetfLanguageCode.Chinese
-        IetfLanguageCode.Chinese.Hans.code -> IetfLanguageCode.Chinese.Hans
-        IetfLanguageCode.Chinese.Hans.CN.code -> IetfLanguageCode.Chinese.Hans.CN
-        IetfLanguageCode.Chinese.Hans.HK.code -> IetfLanguageCode.Chinese.Hans.HK
-        IetfLanguageCode.Chinese.Hans.MO.code -> IetfLanguageCode.Chinese.Hans.MO
-        IetfLanguageCode.Chinese.Hans.SG.code -> IetfLanguageCode.Chinese.Hans.SG
-        IetfLanguageCode.Chinese.Hant.code -> IetfLanguageCode.Chinese.Hant
-        IetfLanguageCode.Chinese.Hant.HK.code -> IetfLanguageCode.Chinese.Hant.HK
-        IetfLanguageCode.Chinese.Hant.MO.code -> IetfLanguageCode.Chinese.Hant.MO
-        IetfLanguageCode.Chinese.Hant.TW.code -> IetfLanguageCode.Chinese.Hant.TW
-        IetfLanguageCode.Zulu.code -> IetfLanguageCode.Zulu
-        IetfLanguageCode.Zulu.ZA.code -> IetfLanguageCode.Zulu.ZA
-        else -> IetfLanguageCode.UnknownIetfLanguageCode(this)
-    }
+val knownLanguageCodesMap: Map<String, IetfLang> by lazy {
+    mapOf(
+        IetfLang.Afar.code to IetfLang.Afar,
+        IetfLang.Abkhazian.code to IetfLang.Abkhazian,
+        IetfLang.Avestan.code to IetfLang.Avestan,
+        IetfLang.Afrikaans.code to IetfLang.Afrikaans,
+            IetfLang.Afrikaans.NA.code to IetfLang.Afrikaans.NA,
+            IetfLang.Afrikaans.ZA.code to IetfLang.Afrikaans.ZA,
+        IetfLang.Akan.code to IetfLang.Akan,
+            IetfLang.Akan.GH.code to IetfLang.Akan.GH,
+        IetfLang.Amharic.code to IetfLang.Amharic,
+            IetfLang.Amharic.ET.code to IetfLang.Amharic.ET,
+        IetfLang.Aragonese.code to IetfLang.Aragonese,
+        IetfLang.Arabic.code to IetfLang.Arabic,
+            IetfLang.Arabic.L001.code to IetfLang.Arabic.L001,
+            IetfLang.Arabic.AE.code to IetfLang.Arabic.AE,
+            IetfLang.Arabic.BH.code to IetfLang.Arabic.BH,
+            IetfLang.Arabic.DJ.code to IetfLang.Arabic.DJ,
+            IetfLang.Arabic.DZ.code to IetfLang.Arabic.DZ,
+            IetfLang.Arabic.EG.code to IetfLang.Arabic.EG,
+            IetfLang.Arabic.EH.code to IetfLang.Arabic.EH,
+            IetfLang.Arabic.ER.code to IetfLang.Arabic.ER,
+            IetfLang.Arabic.IL.code to IetfLang.Arabic.IL,
+            IetfLang.Arabic.IQ.code to IetfLang.Arabic.IQ,
+            IetfLang.Arabic.JO.code to IetfLang.Arabic.JO,
+            IetfLang.Arabic.KM.code to IetfLang.Arabic.KM,
+            IetfLang.Arabic.KW.code to IetfLang.Arabic.KW,
+            IetfLang.Arabic.LB.code to IetfLang.Arabic.LB,
+            IetfLang.Arabic.LY.code to IetfLang.Arabic.LY,
+            IetfLang.Arabic.MA.code to IetfLang.Arabic.MA,
+            IetfLang.Arabic.MR.code to IetfLang.Arabic.MR,
+            IetfLang.Arabic.OM.code to IetfLang.Arabic.OM,
+            IetfLang.Arabic.PS.code to IetfLang.Arabic.PS,
+            IetfLang.Arabic.QA.code to IetfLang.Arabic.QA,
+            IetfLang.Arabic.SA.code to IetfLang.Arabic.SA,
+            IetfLang.Arabic.SD.code to IetfLang.Arabic.SD,
+            IetfLang.Arabic.SO.code to IetfLang.Arabic.SO,
+            IetfLang.Arabic.SS.code to IetfLang.Arabic.SS,
+            IetfLang.Arabic.SY.code to IetfLang.Arabic.SY,
+            IetfLang.Arabic.TD.code to IetfLang.Arabic.TD,
+            IetfLang.Arabic.TN.code to IetfLang.Arabic.TN,
+            IetfLang.Arabic.YE.code to IetfLang.Arabic.YE,
+        IetfLang.Assamese.code to IetfLang.Assamese,
+            IetfLang.Assamese.IN.code to IetfLang.Assamese.IN,
+        IetfLang.Avaric.code to IetfLang.Avaric,
+        IetfLang.Aymara.code to IetfLang.Aymara,
+        IetfLang.Azerbaijani.code to IetfLang.Azerbaijani,
+            IetfLang.Azerbaijani.Cyrl.code to IetfLang.Azerbaijani.Cyrl,
+                IetfLang.Azerbaijani.Cyrl.AZ.code to IetfLang.Azerbaijani.Cyrl.AZ,
+            IetfLang.Azerbaijani.Latn.code to IetfLang.Azerbaijani.Latn,
+                IetfLang.Azerbaijani.Latn.AZ.code to IetfLang.Azerbaijani.Latn.AZ,
+        IetfLang.Bashkir.code to IetfLang.Bashkir,
+        IetfLang.Belarusian.code to IetfLang.Belarusian,
+            IetfLang.Belarusian.BY.code to IetfLang.Belarusian.BY,
+        IetfLang.Bulgarian.code to IetfLang.Bulgarian,
+            IetfLang.Bulgarian.BG.code to IetfLang.Bulgarian.BG,
+        IetfLang.BihariLanguages.code to IetfLang.BihariLanguages,
+        IetfLang.Bislama.code to IetfLang.Bislama,
+        IetfLang.Bambara.code to IetfLang.Bambara,
+            IetfLang.Bambara.ML.code to IetfLang.Bambara.ML,
+        IetfLang.Bengali.code to IetfLang.Bengali,
+            IetfLang.Bengali.BD.code to IetfLang.Bengali.BD,
+            IetfLang.Bengali.IN.code to IetfLang.Bengali.IN,
+        IetfLang.Tibetan.code to IetfLang.Tibetan,
+            IetfLang.Tibetan.CN.code to IetfLang.Tibetan.CN,
+            IetfLang.Tibetan.IN.code to IetfLang.Tibetan.IN,
+        IetfLang.Breton.code to IetfLang.Breton,
+            IetfLang.Breton.FR.code to IetfLang.Breton.FR,
+        IetfLang.Bosnian.code to IetfLang.Bosnian,
+            IetfLang.Bosnian.Cyrl.code to IetfLang.Bosnian.Cyrl,
+                IetfLang.Bosnian.Cyrl.BA.code to IetfLang.Bosnian.Cyrl.BA,
+            IetfLang.Bosnian.Latn.code to IetfLang.Bosnian.Latn,
+                IetfLang.Bosnian.Latn.BA.code to IetfLang.Bosnian.Latn.BA,
+        IetfLang.CatalanValencian.code to IetfLang.CatalanValencian,
+            IetfLang.CatalanValencian.AD.code to IetfLang.CatalanValencian.AD,
+            IetfLang.CatalanValencian.ES.code to IetfLang.CatalanValencian.ES,
+                IetfLang.CatalanValencian.ES.VALENCIA.code to IetfLang.CatalanValencian.ES.VALENCIA,
+            IetfLang.CatalanValencian.FR.code to IetfLang.CatalanValencian.FR,
+            IetfLang.CatalanValencian.IT.code to IetfLang.CatalanValencian.IT,
+        IetfLang.Chechen.code to IetfLang.Chechen,
+            IetfLang.Chechen.RU.code to IetfLang.Chechen.RU,
+        IetfLang.Chamorro.code to IetfLang.Chamorro,
+        IetfLang.Corsican.code to IetfLang.Corsican,
+        IetfLang.Cree.code to IetfLang.Cree,
+        IetfLang.Czech.code to IetfLang.Czech,
+            IetfLang.Czech.CZ.code to IetfLang.Czech.CZ,
+        IetfLang.ChurchSlavicOldSlavonicChurchSlavonicOldBulgarianOldChurchSlavonic.code to IetfLang.ChurchSlavicOldSlavonicChurchSlavonicOldBulgarianOldChurchSlavonic,
+            IetfLang.ChurchSlavicOldSlavonicChurchSlavonicOldBulgarianOldChurchSlavonic.RU.code to IetfLang.ChurchSlavicOldSlavonicChurchSlavonicOldBulgarianOldChurchSlavonic.RU,
+        IetfLang.Chuvash.code to IetfLang.Chuvash,
+        IetfLang.Welsh.code to IetfLang.Welsh,
+            IetfLang.Welsh.GB.code to IetfLang.Welsh.GB,
+        IetfLang.Danish.code to IetfLang.Danish,
+            IetfLang.Danish.DK.code to IetfLang.Danish.DK,
+            IetfLang.Danish.GL.code to IetfLang.Danish.GL,
+        IetfLang.German.code to IetfLang.German,
+            IetfLang.German.AT.code to IetfLang.German.AT,
+            IetfLang.German.BE.code to IetfLang.German.BE,
+            IetfLang.German.CH.code to IetfLang.German.CH,
+            IetfLang.German.DE.code to IetfLang.German.DE,
+            IetfLang.German.IT.code to IetfLang.German.IT,
+            IetfLang.German.LI.code to IetfLang.German.LI,
+            IetfLang.German.LU.code to IetfLang.German.LU,
+        IetfLang.DivehiDhivehiMaldivian.code to IetfLang.DivehiDhivehiMaldivian,
+        IetfLang.Dzongkha.code to IetfLang.Dzongkha,
+            IetfLang.Dzongkha.BT.code to IetfLang.Dzongkha.BT,
+        IetfLang.Ewe.code to IetfLang.Ewe,
+            IetfLang.Ewe.GH.code to IetfLang.Ewe.GH,
+            IetfLang.Ewe.TG.code to IetfLang.Ewe.TG,
+        IetfLang.GreekModern1453.code to IetfLang.GreekModern1453,
+            IetfLang.GreekModern1453.CY.code to IetfLang.GreekModern1453.CY,
+            IetfLang.GreekModern1453.GR.code to IetfLang.GreekModern1453.GR,
+        IetfLang.English.code to IetfLang.English,
+            IetfLang.English.L001.code to IetfLang.English.L001,
+            IetfLang.English.L150.code to IetfLang.English.L150,
+            IetfLang.English.AE.code to IetfLang.English.AE,
+            IetfLang.English.AG.code to IetfLang.English.AG,
+            IetfLang.English.AI.code to IetfLang.English.AI,
+            IetfLang.English.AS.code to IetfLang.English.AS,
+            IetfLang.English.AT.code to IetfLang.English.AT,
+            IetfLang.English.AU.code to IetfLang.English.AU,
+            IetfLang.English.BB.code to IetfLang.English.BB,
+            IetfLang.English.BE.code to IetfLang.English.BE,
+            IetfLang.English.BI.code to IetfLang.English.BI,
+            IetfLang.English.BM.code to IetfLang.English.BM,
+            IetfLang.English.BS.code to IetfLang.English.BS,
+            IetfLang.English.BW.code to IetfLang.English.BW,
+            IetfLang.English.BZ.code to IetfLang.English.BZ,
+            IetfLang.English.CA.code to IetfLang.English.CA,
+            IetfLang.English.CC.code to IetfLang.English.CC,
+            IetfLang.English.CH.code to IetfLang.English.CH,
+            IetfLang.English.CK.code to IetfLang.English.CK,
+            IetfLang.English.CM.code to IetfLang.English.CM,
+            IetfLang.English.CX.code to IetfLang.English.CX,
+            IetfLang.English.CY.code to IetfLang.English.CY,
+            IetfLang.English.DE.code to IetfLang.English.DE,
+            IetfLang.English.DG.code to IetfLang.English.DG,
+            IetfLang.English.DK.code to IetfLang.English.DK,
+            IetfLang.English.DM.code to IetfLang.English.DM,
+            IetfLang.English.ER.code to IetfLang.English.ER,
+            IetfLang.English.FI.code to IetfLang.English.FI,
+            IetfLang.English.FJ.code to IetfLang.English.FJ,
+            IetfLang.English.FK.code to IetfLang.English.FK,
+            IetfLang.English.FM.code to IetfLang.English.FM,
+            IetfLang.English.GB.code to IetfLang.English.GB,
+            IetfLang.English.GD.code to IetfLang.English.GD,
+            IetfLang.English.GG.code to IetfLang.English.GG,
+            IetfLang.English.GH.code to IetfLang.English.GH,
+            IetfLang.English.GI.code to IetfLang.English.GI,
+            IetfLang.English.GM.code to IetfLang.English.GM,
+            IetfLang.English.GU.code to IetfLang.English.GU,
+            IetfLang.English.GY.code to IetfLang.English.GY,
+            IetfLang.English.HK.code to IetfLang.English.HK,
+            IetfLang.English.IE.code to IetfLang.English.IE,
+            IetfLang.English.IL.code to IetfLang.English.IL,
+            IetfLang.English.IM.code to IetfLang.English.IM,
+            IetfLang.English.IN.code to IetfLang.English.IN,
+            IetfLang.English.IO.code to IetfLang.English.IO,
+            IetfLang.English.JE.code to IetfLang.English.JE,
+            IetfLang.English.JM.code to IetfLang.English.JM,
+            IetfLang.English.KE.code to IetfLang.English.KE,
+            IetfLang.English.KI.code to IetfLang.English.KI,
+            IetfLang.English.KN.code to IetfLang.English.KN,
+            IetfLang.English.KY.code to IetfLang.English.KY,
+            IetfLang.English.LC.code to IetfLang.English.LC,
+            IetfLang.English.LR.code to IetfLang.English.LR,
+            IetfLang.English.LS.code to IetfLang.English.LS,
+            IetfLang.English.MG.code to IetfLang.English.MG,
+            IetfLang.English.MH.code to IetfLang.English.MH,
+            IetfLang.English.MO.code to IetfLang.English.MO,
+            IetfLang.English.MP.code to IetfLang.English.MP,
+            IetfLang.English.MS.code to IetfLang.English.MS,
+            IetfLang.English.MT.code to IetfLang.English.MT,
+            IetfLang.English.MU.code to IetfLang.English.MU,
+            IetfLang.English.MW.code to IetfLang.English.MW,
+            IetfLang.English.MY.code to IetfLang.English.MY,
+            IetfLang.English.NA.code to IetfLang.English.NA,
+            IetfLang.English.NF.code to IetfLang.English.NF,
+            IetfLang.English.NG.code to IetfLang.English.NG,
+            IetfLang.English.NL.code to IetfLang.English.NL,
+            IetfLang.English.NR.code to IetfLang.English.NR,
+            IetfLang.English.NU.code to IetfLang.English.NU,
+            IetfLang.English.NZ.code to IetfLang.English.NZ,
+            IetfLang.English.PG.code to IetfLang.English.PG,
+            IetfLang.English.PH.code to IetfLang.English.PH,
+            IetfLang.English.PK.code to IetfLang.English.PK,
+            IetfLang.English.PN.code to IetfLang.English.PN,
+            IetfLang.English.PR.code to IetfLang.English.PR,
+            IetfLang.English.PW.code to IetfLang.English.PW,
+            IetfLang.English.RW.code to IetfLang.English.RW,
+            IetfLang.English.SB.code to IetfLang.English.SB,
+            IetfLang.English.SC.code to IetfLang.English.SC,
+            IetfLang.English.SD.code to IetfLang.English.SD,
+            IetfLang.English.SE.code to IetfLang.English.SE,
+            IetfLang.English.SG.code to IetfLang.English.SG,
+            IetfLang.English.SH.code to IetfLang.English.SH,
+            IetfLang.English.SI.code to IetfLang.English.SI,
+            IetfLang.English.SL.code to IetfLang.English.SL,
+            IetfLang.English.SS.code to IetfLang.English.SS,
+            IetfLang.English.SX.code to IetfLang.English.SX,
+            IetfLang.English.SZ.code to IetfLang.English.SZ,
+            IetfLang.English.TC.code to IetfLang.English.TC,
+            IetfLang.English.TK.code to IetfLang.English.TK,
+            IetfLang.English.TO.code to IetfLang.English.TO,
+            IetfLang.English.TT.code to IetfLang.English.TT,
+            IetfLang.English.TV.code to IetfLang.English.TV,
+            IetfLang.English.TZ.code to IetfLang.English.TZ,
+            IetfLang.English.UG.code to IetfLang.English.UG,
+            IetfLang.English.UM.code to IetfLang.English.UM,
+            IetfLang.English.US.code to IetfLang.English.US,
+                IetfLang.English.US.POSIX.code to IetfLang.English.US.POSIX,
+            IetfLang.English.VC.code to IetfLang.English.VC,
+            IetfLang.English.VG.code to IetfLang.English.VG,
+            IetfLang.English.VI.code to IetfLang.English.VI,
+            IetfLang.English.VU.code to IetfLang.English.VU,
+            IetfLang.English.WS.code to IetfLang.English.WS,
+            IetfLang.English.ZA.code to IetfLang.English.ZA,
+            IetfLang.English.ZM.code to IetfLang.English.ZM,
+            IetfLang.English.ZW.code to IetfLang.English.ZW,
+        IetfLang.Esperanto.code to IetfLang.Esperanto,
+            IetfLang.Esperanto.L001.code to IetfLang.Esperanto.L001,
+        IetfLang.SpanishCastilian.code to IetfLang.SpanishCastilian,
+            IetfLang.SpanishCastilian.L419.code to IetfLang.SpanishCastilian.L419,
+            IetfLang.SpanishCastilian.AR.code to IetfLang.SpanishCastilian.AR,
+            IetfLang.SpanishCastilian.BO.code to IetfLang.SpanishCastilian.BO,
+            IetfLang.SpanishCastilian.BR.code to IetfLang.SpanishCastilian.BR,
+            IetfLang.SpanishCastilian.BZ.code to IetfLang.SpanishCastilian.BZ,
+            IetfLang.SpanishCastilian.CL.code to IetfLang.SpanishCastilian.CL,
+            IetfLang.SpanishCastilian.CO.code to IetfLang.SpanishCastilian.CO,
+            IetfLang.SpanishCastilian.CR.code to IetfLang.SpanishCastilian.CR,
+            IetfLang.SpanishCastilian.CU.code to IetfLang.SpanishCastilian.CU,
+            IetfLang.SpanishCastilian.DO.code to IetfLang.SpanishCastilian.DO,
+            IetfLang.SpanishCastilian.EA.code to IetfLang.SpanishCastilian.EA,
+            IetfLang.SpanishCastilian.EC.code to IetfLang.SpanishCastilian.EC,
+            IetfLang.SpanishCastilian.ES.code to IetfLang.SpanishCastilian.ES,
+            IetfLang.SpanishCastilian.GQ.code to IetfLang.SpanishCastilian.GQ,
+            IetfLang.SpanishCastilian.GT.code to IetfLang.SpanishCastilian.GT,
+            IetfLang.SpanishCastilian.HN.code to IetfLang.SpanishCastilian.HN,
+            IetfLang.SpanishCastilian.IC.code to IetfLang.SpanishCastilian.IC,
+            IetfLang.SpanishCastilian.MX.code to IetfLang.SpanishCastilian.MX,
+            IetfLang.SpanishCastilian.NI.code to IetfLang.SpanishCastilian.NI,
+            IetfLang.SpanishCastilian.PA.code to IetfLang.SpanishCastilian.PA,
+            IetfLang.SpanishCastilian.PE.code to IetfLang.SpanishCastilian.PE,
+            IetfLang.SpanishCastilian.PH.code to IetfLang.SpanishCastilian.PH,
+            IetfLang.SpanishCastilian.PR.code to IetfLang.SpanishCastilian.PR,
+            IetfLang.SpanishCastilian.PY.code to IetfLang.SpanishCastilian.PY,
+            IetfLang.SpanishCastilian.SV.code to IetfLang.SpanishCastilian.SV,
+            IetfLang.SpanishCastilian.US.code to IetfLang.SpanishCastilian.US,
+            IetfLang.SpanishCastilian.UY.code to IetfLang.SpanishCastilian.UY,
+            IetfLang.SpanishCastilian.VE.code to IetfLang.SpanishCastilian.VE,
+        IetfLang.Estonian.code to IetfLang.Estonian,
+            IetfLang.Estonian.EE.code to IetfLang.Estonian.EE,
+        IetfLang.Basque.code to IetfLang.Basque,
+            IetfLang.Basque.ES.code to IetfLang.Basque.ES,
+        IetfLang.Persian.code to IetfLang.Persian,
+            IetfLang.Persian.AF.code to IetfLang.Persian.AF,
+            IetfLang.Persian.IR.code to IetfLang.Persian.IR,
+        IetfLang.Fulah.code to IetfLang.Fulah,
+            IetfLang.Fulah.Adlm.code to IetfLang.Fulah.Adlm,
+                IetfLang.Fulah.Adlm.BF.code to IetfLang.Fulah.Adlm.BF,
+                IetfLang.Fulah.Adlm.CM.code to IetfLang.Fulah.Adlm.CM,
+                IetfLang.Fulah.Adlm.GH.code to IetfLang.Fulah.Adlm.GH,
+                IetfLang.Fulah.Adlm.GM.code to IetfLang.Fulah.Adlm.GM,
+                IetfLang.Fulah.Adlm.GN.code to IetfLang.Fulah.Adlm.GN,
+                IetfLang.Fulah.Adlm.GW.code to IetfLang.Fulah.Adlm.GW,
+                IetfLang.Fulah.Adlm.LR.code to IetfLang.Fulah.Adlm.LR,
+                IetfLang.Fulah.Adlm.MR.code to IetfLang.Fulah.Adlm.MR,
+                IetfLang.Fulah.Adlm.NE.code to IetfLang.Fulah.Adlm.NE,
+                IetfLang.Fulah.Adlm.NG.code to IetfLang.Fulah.Adlm.NG,
+                IetfLang.Fulah.Adlm.SL.code to IetfLang.Fulah.Adlm.SL,
+                IetfLang.Fulah.Adlm.SN.code to IetfLang.Fulah.Adlm.SN,
+            IetfLang.Fulah.Latn.code to IetfLang.Fulah.Latn,
+                IetfLang.Fulah.Latn.BF.code to IetfLang.Fulah.Latn.BF,
+                IetfLang.Fulah.Latn.CM.code to IetfLang.Fulah.Latn.CM,
+                IetfLang.Fulah.Latn.GH.code to IetfLang.Fulah.Latn.GH,
+                IetfLang.Fulah.Latn.GM.code to IetfLang.Fulah.Latn.GM,
+                IetfLang.Fulah.Latn.GN.code to IetfLang.Fulah.Latn.GN,
+                IetfLang.Fulah.Latn.GW.code to IetfLang.Fulah.Latn.GW,
+                IetfLang.Fulah.Latn.LR.code to IetfLang.Fulah.Latn.LR,
+                IetfLang.Fulah.Latn.MR.code to IetfLang.Fulah.Latn.MR,
+                IetfLang.Fulah.Latn.NE.code to IetfLang.Fulah.Latn.NE,
+                IetfLang.Fulah.Latn.NG.code to IetfLang.Fulah.Latn.NG,
+                IetfLang.Fulah.Latn.SL.code to IetfLang.Fulah.Latn.SL,
+                IetfLang.Fulah.Latn.SN.code to IetfLang.Fulah.Latn.SN,
+        IetfLang.Finnish.code to IetfLang.Finnish,
+            IetfLang.Finnish.FI.code to IetfLang.Finnish.FI,
+        IetfLang.Fijian.code to IetfLang.Fijian,
+        IetfLang.Faroese.code to IetfLang.Faroese,
+            IetfLang.Faroese.DK.code to IetfLang.Faroese.DK,
+            IetfLang.Faroese.FO.code to IetfLang.Faroese.FO,
+        IetfLang.French.code to IetfLang.French,
+            IetfLang.French.BE.code to IetfLang.French.BE,
+            IetfLang.French.BF.code to IetfLang.French.BF,
+            IetfLang.French.BI.code to IetfLang.French.BI,
+            IetfLang.French.BJ.code to IetfLang.French.BJ,
+            IetfLang.French.BL.code to IetfLang.French.BL,
+            IetfLang.French.CA.code to IetfLang.French.CA,
+            IetfLang.French.CD.code to IetfLang.French.CD,
+            IetfLang.French.CF.code to IetfLang.French.CF,
+            IetfLang.French.CG.code to IetfLang.French.CG,
+            IetfLang.French.CH.code to IetfLang.French.CH,
+            IetfLang.French.CI.code to IetfLang.French.CI,
+            IetfLang.French.CM.code to IetfLang.French.CM,
+            IetfLang.French.DJ.code to IetfLang.French.DJ,
+            IetfLang.French.DZ.code to IetfLang.French.DZ,
+            IetfLang.French.FR.code to IetfLang.French.FR,
+            IetfLang.French.GA.code to IetfLang.French.GA,
+            IetfLang.French.GF.code to IetfLang.French.GF,
+            IetfLang.French.GN.code to IetfLang.French.GN,
+            IetfLang.French.GP.code to IetfLang.French.GP,
+            IetfLang.French.GQ.code to IetfLang.French.GQ,
+            IetfLang.French.HT.code to IetfLang.French.HT,
+            IetfLang.French.KM.code to IetfLang.French.KM,
+            IetfLang.French.LU.code to IetfLang.French.LU,
+            IetfLang.French.MA.code to IetfLang.French.MA,
+            IetfLang.French.MC.code to IetfLang.French.MC,
+            IetfLang.French.MF.code to IetfLang.French.MF,
+            IetfLang.French.MG.code to IetfLang.French.MG,
+            IetfLang.French.ML.code to IetfLang.French.ML,
+            IetfLang.French.MQ.code to IetfLang.French.MQ,
+            IetfLang.French.MR.code to IetfLang.French.MR,
+            IetfLang.French.MU.code to IetfLang.French.MU,
+            IetfLang.French.NC.code to IetfLang.French.NC,
+            IetfLang.French.NE.code to IetfLang.French.NE,
+            IetfLang.French.PF.code to IetfLang.French.PF,
+            IetfLang.French.PM.code to IetfLang.French.PM,
+            IetfLang.French.RE.code to IetfLang.French.RE,
+            IetfLang.French.RW.code to IetfLang.French.RW,
+            IetfLang.French.SC.code to IetfLang.French.SC,
+            IetfLang.French.SN.code to IetfLang.French.SN,
+            IetfLang.French.SY.code to IetfLang.French.SY,
+            IetfLang.French.TD.code to IetfLang.French.TD,
+            IetfLang.French.TG.code to IetfLang.French.TG,
+            IetfLang.French.TN.code to IetfLang.French.TN,
+            IetfLang.French.VU.code to IetfLang.French.VU,
+            IetfLang.French.WF.code to IetfLang.French.WF,
+            IetfLang.French.YT.code to IetfLang.French.YT,
+        IetfLang.WesternFrisian.code to IetfLang.WesternFrisian,
+            IetfLang.WesternFrisian.NL.code to IetfLang.WesternFrisian.NL,
+        IetfLang.Irish.code to IetfLang.Irish,
+            IetfLang.Irish.GB.code to IetfLang.Irish.GB,
+            IetfLang.Irish.IE.code to IetfLang.Irish.IE,
+        IetfLang.GaelicScottishGaelic.code to IetfLang.GaelicScottishGaelic,
+            IetfLang.GaelicScottishGaelic.GB.code to IetfLang.GaelicScottishGaelic.GB,
+        IetfLang.Galician.code to IetfLang.Galician,
+            IetfLang.Galician.ES.code to IetfLang.Galician.ES,
+        IetfLang.Guarani.code to IetfLang.Guarani,
+        IetfLang.Gujarati.code to IetfLang.Gujarati,
+            IetfLang.Gujarati.IN.code to IetfLang.Gujarati.IN,
+        IetfLang.Manx.code to IetfLang.Manx,
+            IetfLang.Manx.IM.code to IetfLang.Manx.IM,
+        IetfLang.Hausa.code to IetfLang.Hausa,
+            IetfLang.Hausa.GH.code to IetfLang.Hausa.GH,
+            IetfLang.Hausa.NE.code to IetfLang.Hausa.NE,
+            IetfLang.Hausa.NG.code to IetfLang.Hausa.NG,
+        IetfLang.Hebrew.code to IetfLang.Hebrew,
+            IetfLang.Hebrew.IL.code to IetfLang.Hebrew.IL,
+        IetfLang.Hindi.code to IetfLang.Hindi,
+            IetfLang.Hindi.IN.code to IetfLang.Hindi.IN,
+        IetfLang.HiriMotu.code to IetfLang.HiriMotu,
+        IetfLang.Croatian.code to IetfLang.Croatian,
+            IetfLang.Croatian.BA.code to IetfLang.Croatian.BA,
+            IetfLang.Croatian.HR.code to IetfLang.Croatian.HR,
+        IetfLang.HaitianHaitianCreole.code to IetfLang.HaitianHaitianCreole,
+        IetfLang.Hungarian.code to IetfLang.Hungarian,
+            IetfLang.Hungarian.HU.code to IetfLang.Hungarian.HU,
+        IetfLang.Armenian.code to IetfLang.Armenian,
+            IetfLang.Armenian.AM.code to IetfLang.Armenian.AM,
+        IetfLang.Herero.code to IetfLang.Herero,
+        IetfLang.InterlinguaInternationalAuxiliaryLanguageAssociation.code to IetfLang.InterlinguaInternationalAuxiliaryLanguageAssociation,
+            IetfLang.InterlinguaInternationalAuxiliaryLanguageAssociation.L001.code to IetfLang.InterlinguaInternationalAuxiliaryLanguageAssociation.L001,
+        IetfLang.Indonesian.code to IetfLang.Indonesian,
+            IetfLang.Indonesian.ID.code to IetfLang.Indonesian.ID,
+        IetfLang.InterlingueOccidental.code to IetfLang.InterlingueOccidental,
+        IetfLang.Igbo.code to IetfLang.Igbo,
+            IetfLang.Igbo.NG.code to IetfLang.Igbo.NG,
+        IetfLang.SichuanYiNuosu.code to IetfLang.SichuanYiNuosu,
+            IetfLang.SichuanYiNuosu.CN.code to IetfLang.SichuanYiNuosu.CN,
+        IetfLang.Inupiaq.code to IetfLang.Inupiaq,
+        IetfLang.Ido.code to IetfLang.Ido,
+        IetfLang.Icelandic.code to IetfLang.Icelandic,
+            IetfLang.Icelandic.IS.code to IetfLang.Icelandic.IS,
+        IetfLang.Italian.code to IetfLang.Italian,
+            IetfLang.Italian.CH.code to IetfLang.Italian.CH,
+            IetfLang.Italian.IT.code to IetfLang.Italian.IT,
+            IetfLang.Italian.SM.code to IetfLang.Italian.SM,
+            IetfLang.Italian.VA.code to IetfLang.Italian.VA,
+        IetfLang.Inuktitut.code to IetfLang.Inuktitut,
+        IetfLang.Japanese.code to IetfLang.Japanese,
+            IetfLang.Japanese.JP.code to IetfLang.Japanese.JP,
+        IetfLang.Javanese.code to IetfLang.Javanese,
+            IetfLang.Javanese.ID.code to IetfLang.Javanese.ID,
+        IetfLang.Georgian.code to IetfLang.Georgian,
+            IetfLang.Georgian.GE.code to IetfLang.Georgian.GE,
+        IetfLang.Kongo.code to IetfLang.Kongo,
+        IetfLang.KikuyuGikuyu.code to IetfLang.KikuyuGikuyu,
+            IetfLang.KikuyuGikuyu.KE.code to IetfLang.KikuyuGikuyu.KE,
+        IetfLang.KuanyamaKwanyama.code to IetfLang.KuanyamaKwanyama,
+        IetfLang.Kazakh.code to IetfLang.Kazakh,
+            IetfLang.Kazakh.KZ.code to IetfLang.Kazakh.KZ,
+        IetfLang.KalaallisutGreenlandic.code to IetfLang.KalaallisutGreenlandic,
+            IetfLang.KalaallisutGreenlandic.GL.code to IetfLang.KalaallisutGreenlandic.GL,
+        IetfLang.CentralKhmer.code to IetfLang.CentralKhmer,
+            IetfLang.CentralKhmer.KH.code to IetfLang.CentralKhmer.KH,
+        IetfLang.Kannada.code to IetfLang.Kannada,
+            IetfLang.Kannada.IN.code to IetfLang.Kannada.IN,
+        IetfLang.Korean.code to IetfLang.Korean,
+            IetfLang.Korean.KP.code to IetfLang.Korean.KP,
+            IetfLang.Korean.KR.code to IetfLang.Korean.KR,
+        IetfLang.Kanuri.code to IetfLang.Kanuri,
+        IetfLang.Kashmiri.code to IetfLang.Kashmiri,
+            IetfLang.Kashmiri.Arab.code to IetfLang.Kashmiri.Arab,
+                IetfLang.Kashmiri.Arab.IN.code to IetfLang.Kashmiri.Arab.IN,
+        IetfLang.Kurdish.code to IetfLang.Kurdish,
+            IetfLang.Kurdish.TR.code to IetfLang.Kurdish.TR,
+        IetfLang.Komi.code to IetfLang.Komi,
+        IetfLang.Cornish.code to IetfLang.Cornish,
+            IetfLang.Cornish.GB.code to IetfLang.Cornish.GB,
+        IetfLang.KirghizKyrgyz.code to IetfLang.KirghizKyrgyz,
+            IetfLang.KirghizKyrgyz.KG.code to IetfLang.KirghizKyrgyz.KG,
+        IetfLang.Latin.code to IetfLang.Latin,
+        IetfLang.LuxembourgishLetzeburgesch.code to IetfLang.LuxembourgishLetzeburgesch,
+            IetfLang.LuxembourgishLetzeburgesch.LU.code to IetfLang.LuxembourgishLetzeburgesch.LU,
+        IetfLang.Ganda.code to IetfLang.Ganda,
+            IetfLang.Ganda.UG.code to IetfLang.Ganda.UG,
+        IetfLang.LimburganLimburgerLimburgish.code to IetfLang.LimburganLimburgerLimburgish,
+        IetfLang.Lingala.code to IetfLang.Lingala,
+            IetfLang.Lingala.AO.code to IetfLang.Lingala.AO,
+            IetfLang.Lingala.CD.code to IetfLang.Lingala.CD,
+            IetfLang.Lingala.CF.code to IetfLang.Lingala.CF,
+            IetfLang.Lingala.CG.code to IetfLang.Lingala.CG,
+        IetfLang.Lao.code to IetfLang.Lao,
+            IetfLang.Lao.LA.code to IetfLang.Lao.LA,
+        IetfLang.Lithuanian.code to IetfLang.Lithuanian,
+            IetfLang.Lithuanian.LT.code to IetfLang.Lithuanian.LT,
+        IetfLang.LubaKatanga.code to IetfLang.LubaKatanga,
+            IetfLang.LubaKatanga.CD.code to IetfLang.LubaKatanga.CD,
+        IetfLang.Latvian.code to IetfLang.Latvian,
+            IetfLang.Latvian.LV.code to IetfLang.Latvian.LV,
+        IetfLang.Malagasy.code to IetfLang.Malagasy,
+            IetfLang.Malagasy.MG.code to IetfLang.Malagasy.MG,
+        IetfLang.Marshallese.code to IetfLang.Marshallese,
+        IetfLang.Maori.code to IetfLang.Maori,
+            IetfLang.Maori.NZ.code to IetfLang.Maori.NZ,
+        IetfLang.Macedonian.code to IetfLang.Macedonian,
+            IetfLang.Macedonian.MK.code to IetfLang.Macedonian.MK,
+        IetfLang.Malayalam.code to IetfLang.Malayalam,
+            IetfLang.Malayalam.IN.code to IetfLang.Malayalam.IN,
+        IetfLang.Mongolian.code to IetfLang.Mongolian,
+            IetfLang.Mongolian.MN.code to IetfLang.Mongolian.MN,
+        IetfLang.Marathi.code to IetfLang.Marathi,
+            IetfLang.Marathi.IN.code to IetfLang.Marathi.IN,
+        IetfLang.Malay.code to IetfLang.Malay,
+            IetfLang.Malay.BN.code to IetfLang.Malay.BN,
+            IetfLang.Malay.ID.code to IetfLang.Malay.ID,
+            IetfLang.Malay.MY.code to IetfLang.Malay.MY,
+            IetfLang.Malay.SG.code to IetfLang.Malay.SG,
+        IetfLang.Maltese.code to IetfLang.Maltese,
+            IetfLang.Maltese.MT.code to IetfLang.Maltese.MT,
+        IetfLang.Burmese.code to IetfLang.Burmese,
+            IetfLang.Burmese.MM.code to IetfLang.Burmese.MM,
+        IetfLang.Nauru.code to IetfLang.Nauru,
+        IetfLang.BokmalNorwegianNorwegianBokmal.code to IetfLang.BokmalNorwegianNorwegianBokmal,
+            IetfLang.BokmalNorwegianNorwegianBokmal.NO.code to IetfLang.BokmalNorwegianNorwegianBokmal.NO,
+            IetfLang.BokmalNorwegianNorwegianBokmal.SJ.code to IetfLang.BokmalNorwegianNorwegianBokmal.SJ,
+        IetfLang.NdebeleNorthNorthNdebele.code to IetfLang.NdebeleNorthNorthNdebele,
+            IetfLang.NdebeleNorthNorthNdebele.ZW.code to IetfLang.NdebeleNorthNorthNdebele.ZW,
+        IetfLang.Nepali.code to IetfLang.Nepali,
+            IetfLang.Nepali.IN.code to IetfLang.Nepali.IN,
+            IetfLang.Nepali.NP.code to IetfLang.Nepali.NP,
+        IetfLang.Ndonga.code to IetfLang.Ndonga,
+        IetfLang.DutchFlemish.code to IetfLang.DutchFlemish,
+            IetfLang.DutchFlemish.AW.code to IetfLang.DutchFlemish.AW,
+            IetfLang.DutchFlemish.BE.code to IetfLang.DutchFlemish.BE,
+            IetfLang.DutchFlemish.BQ.code to IetfLang.DutchFlemish.BQ,
+            IetfLang.DutchFlemish.CW.code to IetfLang.DutchFlemish.CW,
+            IetfLang.DutchFlemish.NL.code to IetfLang.DutchFlemish.NL,
+            IetfLang.DutchFlemish.SR.code to IetfLang.DutchFlemish.SR,
+            IetfLang.DutchFlemish.SX.code to IetfLang.DutchFlemish.SX,
+        IetfLang.NorwegianNynorskNynorskNorwegian.code to IetfLang.NorwegianNynorskNynorskNorwegian,
+            IetfLang.NorwegianNynorskNynorskNorwegian.NO.code to IetfLang.NorwegianNynorskNynorskNorwegian.NO,
+        IetfLang.Norwegian.code to IetfLang.Norwegian,
+        IetfLang.NdebeleSouthSouthNdebele.code to IetfLang.NdebeleSouthSouthNdebele,
+        IetfLang.NavajoNavaho.code to IetfLang.NavajoNavaho,
+        IetfLang.ChichewaChewaNyanja.code to IetfLang.ChichewaChewaNyanja,
+        IetfLang.OccitanPost1500.code to IetfLang.OccitanPost1500,
+        IetfLang.Ojibwa.code to IetfLang.Ojibwa,
+        IetfLang.Oromo.code to IetfLang.Oromo,
+            IetfLang.Oromo.ET.code to IetfLang.Oromo.ET,
+            IetfLang.Oromo.KE.code to IetfLang.Oromo.KE,
+        IetfLang.Oriya.code to IetfLang.Oriya,
+            IetfLang.Oriya.IN.code to IetfLang.Oriya.IN,
+        IetfLang.OssetianOssetic.code to IetfLang.OssetianOssetic,
+            IetfLang.OssetianOssetic.GE.code to IetfLang.OssetianOssetic.GE,
+            IetfLang.OssetianOssetic.RU.code to IetfLang.OssetianOssetic.RU,
+        IetfLang.PanjabiPunjabi.code to IetfLang.PanjabiPunjabi,
+            IetfLang.PanjabiPunjabi.Arab.code to IetfLang.PanjabiPunjabi.Arab,
+                IetfLang.PanjabiPunjabi.Arab.PK.code to IetfLang.PanjabiPunjabi.Arab.PK,
+            IetfLang.PanjabiPunjabi.Guru.code to IetfLang.PanjabiPunjabi.Guru,
+                IetfLang.PanjabiPunjabi.Guru.IN.code to IetfLang.PanjabiPunjabi.Guru.IN,
+        IetfLang.Pali.code to IetfLang.Pali,
+        IetfLang.Polish.code to IetfLang.Polish,
+            IetfLang.Polish.PL.code to IetfLang.Polish.PL,
+        IetfLang.PushtoPashto.code to IetfLang.PushtoPashto,
+            IetfLang.PushtoPashto.AF.code to IetfLang.PushtoPashto.AF,
+            IetfLang.PushtoPashto.PK.code to IetfLang.PushtoPashto.PK,
+        IetfLang.Portuguese.code to IetfLang.Portuguese,
+            IetfLang.Portuguese.AO.code to IetfLang.Portuguese.AO,
+            IetfLang.Portuguese.BR.code to IetfLang.Portuguese.BR,
+            IetfLang.Portuguese.CH.code to IetfLang.Portuguese.CH,
+            IetfLang.Portuguese.CV.code to IetfLang.Portuguese.CV,
+            IetfLang.Portuguese.GQ.code to IetfLang.Portuguese.GQ,
+            IetfLang.Portuguese.GW.code to IetfLang.Portuguese.GW,
+            IetfLang.Portuguese.LU.code to IetfLang.Portuguese.LU,
+            IetfLang.Portuguese.MO.code to IetfLang.Portuguese.MO,
+            IetfLang.Portuguese.MZ.code to IetfLang.Portuguese.MZ,
+            IetfLang.Portuguese.PT.code to IetfLang.Portuguese.PT,
+            IetfLang.Portuguese.ST.code to IetfLang.Portuguese.ST,
+            IetfLang.Portuguese.TL.code to IetfLang.Portuguese.TL,
+        IetfLang.Quechua.code to IetfLang.Quechua,
+            IetfLang.Quechua.BO.code to IetfLang.Quechua.BO,
+            IetfLang.Quechua.EC.code to IetfLang.Quechua.EC,
+            IetfLang.Quechua.PE.code to IetfLang.Quechua.PE,
+        IetfLang.Romansh.code to IetfLang.Romansh,
+            IetfLang.Romansh.CH.code to IetfLang.Romansh.CH,
+        IetfLang.Rundi.code to IetfLang.Rundi,
+            IetfLang.Rundi.BI.code to IetfLang.Rundi.BI,
+        IetfLang.RomanianMoldavianMoldovan.code to IetfLang.RomanianMoldavianMoldovan,
+            IetfLang.RomanianMoldavianMoldovan.MD.code to IetfLang.RomanianMoldavianMoldovan.MD,
+            IetfLang.RomanianMoldavianMoldovan.RO.code to IetfLang.RomanianMoldavianMoldovan.RO,
+        IetfLang.Russian.code to IetfLang.Russian,
+            IetfLang.Russian.BY.code to IetfLang.Russian.BY,
+            IetfLang.Russian.KG.code to IetfLang.Russian.KG,
+            IetfLang.Russian.KZ.code to IetfLang.Russian.KZ,
+            IetfLang.Russian.MD.code to IetfLang.Russian.MD,
+            IetfLang.Russian.RU.code to IetfLang.Russian.RU,
+            IetfLang.Russian.UA.code to IetfLang.Russian.UA,
+        IetfLang.Kinyarwanda.code to IetfLang.Kinyarwanda,
+            IetfLang.Kinyarwanda.RW.code to IetfLang.Kinyarwanda.RW,
+        IetfLang.Sanskrit.code to IetfLang.Sanskrit,
+        IetfLang.Sardinian.code to IetfLang.Sardinian,
+        IetfLang.Sindhi.code to IetfLang.Sindhi,
+            IetfLang.Sindhi.Arab.code to IetfLang.Sindhi.Arab,
+                IetfLang.Sindhi.Arab.PK.code to IetfLang.Sindhi.Arab.PK,
+            IetfLang.Sindhi.Deva.code to IetfLang.Sindhi.Deva,
+                IetfLang.Sindhi.Deva.IN.code to IetfLang.Sindhi.Deva.IN,
+        IetfLang.NorthernSami.code to IetfLang.NorthernSami,
+            IetfLang.NorthernSami.FI.code to IetfLang.NorthernSami.FI,
+            IetfLang.NorthernSami.NO.code to IetfLang.NorthernSami.NO,
+            IetfLang.NorthernSami.SE.code to IetfLang.NorthernSami.SE,
+        IetfLang.Sango.code to IetfLang.Sango,
+            IetfLang.Sango.CF.code to IetfLang.Sango.CF,
+        IetfLang.SinhalaSinhalese.code to IetfLang.SinhalaSinhalese,
+            IetfLang.SinhalaSinhalese.LK.code to IetfLang.SinhalaSinhalese.LK,
+        IetfLang.Slovak.code to IetfLang.Slovak,
+            IetfLang.Slovak.SK.code to IetfLang.Slovak.SK,
+        IetfLang.Slovenian.code to IetfLang.Slovenian,
+            IetfLang.Slovenian.SI.code to IetfLang.Slovenian.SI,
+        IetfLang.Samoan.code to IetfLang.Samoan,
+        IetfLang.Shona.code to IetfLang.Shona,
+            IetfLang.Shona.ZW.code to IetfLang.Shona.ZW,
+        IetfLang.Somali.code to IetfLang.Somali,
+            IetfLang.Somali.DJ.code to IetfLang.Somali.DJ,
+            IetfLang.Somali.ET.code to IetfLang.Somali.ET,
+            IetfLang.Somali.KE.code to IetfLang.Somali.KE,
+            IetfLang.Somali.SO.code to IetfLang.Somali.SO,
+        IetfLang.Albanian.code to IetfLang.Albanian,
+            IetfLang.Albanian.AL.code to IetfLang.Albanian.AL,
+            IetfLang.Albanian.MK.code to IetfLang.Albanian.MK,
+            IetfLang.Albanian.XK.code to IetfLang.Albanian.XK,
+        IetfLang.Serbian.code to IetfLang.Serbian,
+            IetfLang.Serbian.Cyrl.code to IetfLang.Serbian.Cyrl,
+                IetfLang.Serbian.Cyrl.BA.code to IetfLang.Serbian.Cyrl.BA,
+                IetfLang.Serbian.Cyrl.ME.code to IetfLang.Serbian.Cyrl.ME,
+                IetfLang.Serbian.Cyrl.RS.code to IetfLang.Serbian.Cyrl.RS,
+                IetfLang.Serbian.Cyrl.XK.code to IetfLang.Serbian.Cyrl.XK,
+            IetfLang.Serbian.Latn.code to IetfLang.Serbian.Latn,
+                IetfLang.Serbian.Latn.BA.code to IetfLang.Serbian.Latn.BA,
+                IetfLang.Serbian.Latn.ME.code to IetfLang.Serbian.Latn.ME,
+                IetfLang.Serbian.Latn.RS.code to IetfLang.Serbian.Latn.RS,
+                IetfLang.Serbian.Latn.XK.code to IetfLang.Serbian.Latn.XK,
+        IetfLang.Swati.code to IetfLang.Swati,
+        IetfLang.SothoSouthern.code to IetfLang.SothoSouthern,
+        IetfLang.Sundanese.code to IetfLang.Sundanese,
+            IetfLang.Sundanese.Latn.code to IetfLang.Sundanese.Latn,
+                IetfLang.Sundanese.Latn.ID.code to IetfLang.Sundanese.Latn.ID,
+        IetfLang.Swedish.code to IetfLang.Swedish,
+            IetfLang.Swedish.AX.code to IetfLang.Swedish.AX,
+            IetfLang.Swedish.FI.code to IetfLang.Swedish.FI,
+            IetfLang.Swedish.SE.code to IetfLang.Swedish.SE,
+        IetfLang.Swahili.code to IetfLang.Swahili,
+            IetfLang.Swahili.CD.code to IetfLang.Swahili.CD,
+            IetfLang.Swahili.KE.code to IetfLang.Swahili.KE,
+            IetfLang.Swahili.TZ.code to IetfLang.Swahili.TZ,
+            IetfLang.Swahili.UG.code to IetfLang.Swahili.UG,
+        IetfLang.Tamil.code to IetfLang.Tamil,
+            IetfLang.Tamil.IN.code to IetfLang.Tamil.IN,
+            IetfLang.Tamil.LK.code to IetfLang.Tamil.LK,
+            IetfLang.Tamil.MY.code to IetfLang.Tamil.MY,
+            IetfLang.Tamil.SG.code to IetfLang.Tamil.SG,
+        IetfLang.Telugu.code to IetfLang.Telugu,
+            IetfLang.Telugu.IN.code to IetfLang.Telugu.IN,
+        IetfLang.Tajik.code to IetfLang.Tajik,
+            IetfLang.Tajik.TJ.code to IetfLang.Tajik.TJ,
+        IetfLang.Thai.code to IetfLang.Thai,
+            IetfLang.Thai.TH.code to IetfLang.Thai.TH,
+        IetfLang.Tigrinya.code to IetfLang.Tigrinya,
+            IetfLang.Tigrinya.ER.code to IetfLang.Tigrinya.ER,
+            IetfLang.Tigrinya.ET.code to IetfLang.Tigrinya.ET,
+        IetfLang.Turkmen.code to IetfLang.Turkmen,
+            IetfLang.Turkmen.TM.code to IetfLang.Turkmen.TM,
+        IetfLang.Tagalog.code to IetfLang.Tagalog,
+        IetfLang.Tswana.code to IetfLang.Tswana,
+        IetfLang.TongaTongaIslands.code to IetfLang.TongaTongaIslands,
+            IetfLang.TongaTongaIslands.TO.code to IetfLang.TongaTongaIslands.TO,
+        IetfLang.Turkish.code to IetfLang.Turkish,
+            IetfLang.Turkish.CY.code to IetfLang.Turkish.CY,
+            IetfLang.Turkish.TR.code to IetfLang.Turkish.TR,
+        IetfLang.Tsonga.code to IetfLang.Tsonga,
+        IetfLang.Tatar.code to IetfLang.Tatar,
+            IetfLang.Tatar.RU.code to IetfLang.Tatar.RU,
+        IetfLang.Twi.code to IetfLang.Twi,
+        IetfLang.Tahitian.code to IetfLang.Tahitian,
+        IetfLang.UighurUyghur.code to IetfLang.UighurUyghur,
+            IetfLang.UighurUyghur.CN.code to IetfLang.UighurUyghur.CN,
+        IetfLang.Ukrainian.code to IetfLang.Ukrainian,
+            IetfLang.Ukrainian.UA.code to IetfLang.Ukrainian.UA,
+        IetfLang.Urdu.code to IetfLang.Urdu,
+            IetfLang.Urdu.IN.code to IetfLang.Urdu.IN,
+            IetfLang.Urdu.PK.code to IetfLang.Urdu.PK,
+        IetfLang.Uzbek.code to IetfLang.Uzbek,
+            IetfLang.Uzbek.Arab.code to IetfLang.Uzbek.Arab,
+                IetfLang.Uzbek.Arab.AF.code to IetfLang.Uzbek.Arab.AF,
+            IetfLang.Uzbek.Cyrl.code to IetfLang.Uzbek.Cyrl,
+                IetfLang.Uzbek.Cyrl.UZ.code to IetfLang.Uzbek.Cyrl.UZ,
+            IetfLang.Uzbek.Latn.code to IetfLang.Uzbek.Latn,
+                IetfLang.Uzbek.Latn.UZ.code to IetfLang.Uzbek.Latn.UZ,
+        IetfLang.Venda.code to IetfLang.Venda,
+        IetfLang.Vietnamese.code to IetfLang.Vietnamese,
+            IetfLang.Vietnamese.VN.code to IetfLang.Vietnamese.VN,
+        IetfLang.Volapuk.code to IetfLang.Volapuk,
+            IetfLang.Volapuk.L001.code to IetfLang.Volapuk.L001,
+        IetfLang.Walloon.code to IetfLang.Walloon,
+        IetfLang.Wolof.code to IetfLang.Wolof,
+            IetfLang.Wolof.SN.code to IetfLang.Wolof.SN,
+        IetfLang.Xhosa.code to IetfLang.Xhosa,
+            IetfLang.Xhosa.ZA.code to IetfLang.Xhosa.ZA,
+        IetfLang.Yiddish.code to IetfLang.Yiddish,
+            IetfLang.Yiddish.L001.code to IetfLang.Yiddish.L001,
+        IetfLang.Yoruba.code to IetfLang.Yoruba,
+            IetfLang.Yoruba.BJ.code to IetfLang.Yoruba.BJ,
+            IetfLang.Yoruba.NG.code to IetfLang.Yoruba.NG,
+        IetfLang.ZhuangChuang.code to IetfLang.ZhuangChuang,
+        IetfLang.Chinese.code to IetfLang.Chinese,
+            IetfLang.Chinese.Hans.code to IetfLang.Chinese.Hans,
+                IetfLang.Chinese.Hans.CN.code to IetfLang.Chinese.Hans.CN,
+                IetfLang.Chinese.Hans.HK.code to IetfLang.Chinese.Hans.HK,
+                IetfLang.Chinese.Hans.MO.code to IetfLang.Chinese.Hans.MO,
+                IetfLang.Chinese.Hans.SG.code to IetfLang.Chinese.Hans.SG,
+            IetfLang.Chinese.Hant.code to IetfLang.Chinese.Hant,
+                IetfLang.Chinese.Hant.HK.code to IetfLang.Chinese.Hant.HK,
+                IetfLang.Chinese.Hant.MO.code to IetfLang.Chinese.Hant.MO,
+                IetfLang.Chinese.Hant.TW.code to IetfLang.Chinese.Hant.TW,
+        IetfLang.Zulu.code to IetfLang.Zulu,
+            IetfLang.Zulu.ZA.code to IetfLang.Zulu.ZA
+    )
 }
-fun convertToIetfLanguageCode(code: String) = code.asIetfLanguageCode()
-fun IetfLanguageCode(code: String) = code.asIetfLanguageCode()
+val knownLanguageCodesMapByLowerCasedKeys: Map<String, IetfLang> by lazy {
+    mapOf(
+        IetfLang.Afar.code.lowercase() to IetfLang.Afar,
+        IetfLang.Abkhazian.code.lowercase() to IetfLang.Abkhazian,
+        IetfLang.Avestan.code.lowercase() to IetfLang.Avestan,
+        IetfLang.Afrikaans.code.lowercase() to IetfLang.Afrikaans,
+            IetfLang.Afrikaans.NA.code.lowercase() to IetfLang.Afrikaans.NA,
+            IetfLang.Afrikaans.ZA.code.lowercase() to IetfLang.Afrikaans.ZA,
+        IetfLang.Akan.code.lowercase() to IetfLang.Akan,
+            IetfLang.Akan.GH.code.lowercase() to IetfLang.Akan.GH,
+        IetfLang.Amharic.code.lowercase() to IetfLang.Amharic,
+            IetfLang.Amharic.ET.code.lowercase() to IetfLang.Amharic.ET,
+        IetfLang.Aragonese.code.lowercase() to IetfLang.Aragonese,
+        IetfLang.Arabic.code.lowercase() to IetfLang.Arabic,
+            IetfLang.Arabic.L001.code.lowercase() to IetfLang.Arabic.L001,
+            IetfLang.Arabic.AE.code.lowercase() to IetfLang.Arabic.AE,
+            IetfLang.Arabic.BH.code.lowercase() to IetfLang.Arabic.BH,
+            IetfLang.Arabic.DJ.code.lowercase() to IetfLang.Arabic.DJ,
+            IetfLang.Arabic.DZ.code.lowercase() to IetfLang.Arabic.DZ,
+            IetfLang.Arabic.EG.code.lowercase() to IetfLang.Arabic.EG,
+            IetfLang.Arabic.EH.code.lowercase() to IetfLang.Arabic.EH,
+            IetfLang.Arabic.ER.code.lowercase() to IetfLang.Arabic.ER,
+            IetfLang.Arabic.IL.code.lowercase() to IetfLang.Arabic.IL,
+            IetfLang.Arabic.IQ.code.lowercase() to IetfLang.Arabic.IQ,
+            IetfLang.Arabic.JO.code.lowercase() to IetfLang.Arabic.JO,
+            IetfLang.Arabic.KM.code.lowercase() to IetfLang.Arabic.KM,
+            IetfLang.Arabic.KW.code.lowercase() to IetfLang.Arabic.KW,
+            IetfLang.Arabic.LB.code.lowercase() to IetfLang.Arabic.LB,
+            IetfLang.Arabic.LY.code.lowercase() to IetfLang.Arabic.LY,
+            IetfLang.Arabic.MA.code.lowercase() to IetfLang.Arabic.MA,
+            IetfLang.Arabic.MR.code.lowercase() to IetfLang.Arabic.MR,
+            IetfLang.Arabic.OM.code.lowercase() to IetfLang.Arabic.OM,
+            IetfLang.Arabic.PS.code.lowercase() to IetfLang.Arabic.PS,
+            IetfLang.Arabic.QA.code.lowercase() to IetfLang.Arabic.QA,
+            IetfLang.Arabic.SA.code.lowercase() to IetfLang.Arabic.SA,
+            IetfLang.Arabic.SD.code.lowercase() to IetfLang.Arabic.SD,
+            IetfLang.Arabic.SO.code.lowercase() to IetfLang.Arabic.SO,
+            IetfLang.Arabic.SS.code.lowercase() to IetfLang.Arabic.SS,
+            IetfLang.Arabic.SY.code.lowercase() to IetfLang.Arabic.SY,
+            IetfLang.Arabic.TD.code.lowercase() to IetfLang.Arabic.TD,
+            IetfLang.Arabic.TN.code.lowercase() to IetfLang.Arabic.TN,
+            IetfLang.Arabic.YE.code.lowercase() to IetfLang.Arabic.YE,
+        IetfLang.Assamese.code.lowercase() to IetfLang.Assamese,
+            IetfLang.Assamese.IN.code.lowercase() to IetfLang.Assamese.IN,
+        IetfLang.Avaric.code.lowercase() to IetfLang.Avaric,
+        IetfLang.Aymara.code.lowercase() to IetfLang.Aymara,
+        IetfLang.Azerbaijani.code.lowercase() to IetfLang.Azerbaijani,
+            IetfLang.Azerbaijani.Cyrl.code.lowercase() to IetfLang.Azerbaijani.Cyrl,
+                IetfLang.Azerbaijani.Cyrl.AZ.code.lowercase() to IetfLang.Azerbaijani.Cyrl.AZ,
+            IetfLang.Azerbaijani.Latn.code.lowercase() to IetfLang.Azerbaijani.Latn,
+                IetfLang.Azerbaijani.Latn.AZ.code.lowercase() to IetfLang.Azerbaijani.Latn.AZ,
+        IetfLang.Bashkir.code.lowercase() to IetfLang.Bashkir,
+        IetfLang.Belarusian.code.lowercase() to IetfLang.Belarusian,
+            IetfLang.Belarusian.BY.code.lowercase() to IetfLang.Belarusian.BY,
+        IetfLang.Bulgarian.code.lowercase() to IetfLang.Bulgarian,
+            IetfLang.Bulgarian.BG.code.lowercase() to IetfLang.Bulgarian.BG,
+        IetfLang.BihariLanguages.code.lowercase() to IetfLang.BihariLanguages,
+        IetfLang.Bislama.code.lowercase() to IetfLang.Bislama,
+        IetfLang.Bambara.code.lowercase() to IetfLang.Bambara,
+            IetfLang.Bambara.ML.code.lowercase() to IetfLang.Bambara.ML,
+        IetfLang.Bengali.code.lowercase() to IetfLang.Bengali,
+            IetfLang.Bengali.BD.code.lowercase() to IetfLang.Bengali.BD,
+            IetfLang.Bengali.IN.code.lowercase() to IetfLang.Bengali.IN,
+        IetfLang.Tibetan.code.lowercase() to IetfLang.Tibetan,
+            IetfLang.Tibetan.CN.code.lowercase() to IetfLang.Tibetan.CN,
+            IetfLang.Tibetan.IN.code.lowercase() to IetfLang.Tibetan.IN,
+        IetfLang.Breton.code.lowercase() to IetfLang.Breton,
+            IetfLang.Breton.FR.code.lowercase() to IetfLang.Breton.FR,
+        IetfLang.Bosnian.code.lowercase() to IetfLang.Bosnian,
+            IetfLang.Bosnian.Cyrl.code.lowercase() to IetfLang.Bosnian.Cyrl,
+                IetfLang.Bosnian.Cyrl.BA.code.lowercase() to IetfLang.Bosnian.Cyrl.BA,
+            IetfLang.Bosnian.Latn.code.lowercase() to IetfLang.Bosnian.Latn,
+                IetfLang.Bosnian.Latn.BA.code.lowercase() to IetfLang.Bosnian.Latn.BA,
+        IetfLang.CatalanValencian.code.lowercase() to IetfLang.CatalanValencian,
+            IetfLang.CatalanValencian.AD.code.lowercase() to IetfLang.CatalanValencian.AD,
+            IetfLang.CatalanValencian.ES.code.lowercase() to IetfLang.CatalanValencian.ES,
+                IetfLang.CatalanValencian.ES.VALENCIA.code.lowercase() to IetfLang.CatalanValencian.ES.VALENCIA,
+            IetfLang.CatalanValencian.FR.code.lowercase() to IetfLang.CatalanValencian.FR,
+            IetfLang.CatalanValencian.IT.code.lowercase() to IetfLang.CatalanValencian.IT,
+        IetfLang.Chechen.code.lowercase() to IetfLang.Chechen,
+            IetfLang.Chechen.RU.code.lowercase() to IetfLang.Chechen.RU,
+        IetfLang.Chamorro.code.lowercase() to IetfLang.Chamorro,
+        IetfLang.Corsican.code.lowercase() to IetfLang.Corsican,
+        IetfLang.Cree.code.lowercase() to IetfLang.Cree,
+        IetfLang.Czech.code.lowercase() to IetfLang.Czech,
+            IetfLang.Czech.CZ.code.lowercase() to IetfLang.Czech.CZ,
+        IetfLang.ChurchSlavicOldSlavonicChurchSlavonicOldBulgarianOldChurchSlavonic.code.lowercase() to IetfLang.ChurchSlavicOldSlavonicChurchSlavonicOldBulgarianOldChurchSlavonic,
+            IetfLang.ChurchSlavicOldSlavonicChurchSlavonicOldBulgarianOldChurchSlavonic.RU.code.lowercase() to IetfLang.ChurchSlavicOldSlavonicChurchSlavonicOldBulgarianOldChurchSlavonic.RU,
+        IetfLang.Chuvash.code.lowercase() to IetfLang.Chuvash,
+        IetfLang.Welsh.code.lowercase() to IetfLang.Welsh,
+            IetfLang.Welsh.GB.code.lowercase() to IetfLang.Welsh.GB,
+        IetfLang.Danish.code.lowercase() to IetfLang.Danish,
+            IetfLang.Danish.DK.code.lowercase() to IetfLang.Danish.DK,
+            IetfLang.Danish.GL.code.lowercase() to IetfLang.Danish.GL,
+        IetfLang.German.code.lowercase() to IetfLang.German,
+            IetfLang.German.AT.code.lowercase() to IetfLang.German.AT,
+            IetfLang.German.BE.code.lowercase() to IetfLang.German.BE,
+            IetfLang.German.CH.code.lowercase() to IetfLang.German.CH,
+            IetfLang.German.DE.code.lowercase() to IetfLang.German.DE,
+            IetfLang.German.IT.code.lowercase() to IetfLang.German.IT,
+            IetfLang.German.LI.code.lowercase() to IetfLang.German.LI,
+            IetfLang.German.LU.code.lowercase() to IetfLang.German.LU,
+        IetfLang.DivehiDhivehiMaldivian.code.lowercase() to IetfLang.DivehiDhivehiMaldivian,
+        IetfLang.Dzongkha.code.lowercase() to IetfLang.Dzongkha,
+            IetfLang.Dzongkha.BT.code.lowercase() to IetfLang.Dzongkha.BT,
+        IetfLang.Ewe.code.lowercase() to IetfLang.Ewe,
+            IetfLang.Ewe.GH.code.lowercase() to IetfLang.Ewe.GH,
+            IetfLang.Ewe.TG.code.lowercase() to IetfLang.Ewe.TG,
+        IetfLang.GreekModern1453.code.lowercase() to IetfLang.GreekModern1453,
+            IetfLang.GreekModern1453.CY.code.lowercase() to IetfLang.GreekModern1453.CY,
+            IetfLang.GreekModern1453.GR.code.lowercase() to IetfLang.GreekModern1453.GR,
+        IetfLang.English.code.lowercase() to IetfLang.English,
+            IetfLang.English.L001.code.lowercase() to IetfLang.English.L001,
+            IetfLang.English.L150.code.lowercase() to IetfLang.English.L150,
+            IetfLang.English.AE.code.lowercase() to IetfLang.English.AE,
+            IetfLang.English.AG.code.lowercase() to IetfLang.English.AG,
+            IetfLang.English.AI.code.lowercase() to IetfLang.English.AI,
+            IetfLang.English.AS.code.lowercase() to IetfLang.English.AS,
+            IetfLang.English.AT.code.lowercase() to IetfLang.English.AT,
+            IetfLang.English.AU.code.lowercase() to IetfLang.English.AU,
+            IetfLang.English.BB.code.lowercase() to IetfLang.English.BB,
+            IetfLang.English.BE.code.lowercase() to IetfLang.English.BE,
+            IetfLang.English.BI.code.lowercase() to IetfLang.English.BI,
+            IetfLang.English.BM.code.lowercase() to IetfLang.English.BM,
+            IetfLang.English.BS.code.lowercase() to IetfLang.English.BS,
+            IetfLang.English.BW.code.lowercase() to IetfLang.English.BW,
+            IetfLang.English.BZ.code.lowercase() to IetfLang.English.BZ,
+            IetfLang.English.CA.code.lowercase() to IetfLang.English.CA,
+            IetfLang.English.CC.code.lowercase() to IetfLang.English.CC,
+            IetfLang.English.CH.code.lowercase() to IetfLang.English.CH,
+            IetfLang.English.CK.code.lowercase() to IetfLang.English.CK,
+            IetfLang.English.CM.code.lowercase() to IetfLang.English.CM,
+            IetfLang.English.CX.code.lowercase() to IetfLang.English.CX,
+            IetfLang.English.CY.code.lowercase() to IetfLang.English.CY,
+            IetfLang.English.DE.code.lowercase() to IetfLang.English.DE,
+            IetfLang.English.DG.code.lowercase() to IetfLang.English.DG,
+            IetfLang.English.DK.code.lowercase() to IetfLang.English.DK,
+            IetfLang.English.DM.code.lowercase() to IetfLang.English.DM,
+            IetfLang.English.ER.code.lowercase() to IetfLang.English.ER,
+            IetfLang.English.FI.code.lowercase() to IetfLang.English.FI,
+            IetfLang.English.FJ.code.lowercase() to IetfLang.English.FJ,
+            IetfLang.English.FK.code.lowercase() to IetfLang.English.FK,
+            IetfLang.English.FM.code.lowercase() to IetfLang.English.FM,
+            IetfLang.English.GB.code.lowercase() to IetfLang.English.GB,
+            IetfLang.English.GD.code.lowercase() to IetfLang.English.GD,
+            IetfLang.English.GG.code.lowercase() to IetfLang.English.GG,
+            IetfLang.English.GH.code.lowercase() to IetfLang.English.GH,
+            IetfLang.English.GI.code.lowercase() to IetfLang.English.GI,
+            IetfLang.English.GM.code.lowercase() to IetfLang.English.GM,
+            IetfLang.English.GU.code.lowercase() to IetfLang.English.GU,
+            IetfLang.English.GY.code.lowercase() to IetfLang.English.GY,
+            IetfLang.English.HK.code.lowercase() to IetfLang.English.HK,
+            IetfLang.English.IE.code.lowercase() to IetfLang.English.IE,
+            IetfLang.English.IL.code.lowercase() to IetfLang.English.IL,
+            IetfLang.English.IM.code.lowercase() to IetfLang.English.IM,
+            IetfLang.English.IN.code.lowercase() to IetfLang.English.IN,
+            IetfLang.English.IO.code.lowercase() to IetfLang.English.IO,
+            IetfLang.English.JE.code.lowercase() to IetfLang.English.JE,
+            IetfLang.English.JM.code.lowercase() to IetfLang.English.JM,
+            IetfLang.English.KE.code.lowercase() to IetfLang.English.KE,
+            IetfLang.English.KI.code.lowercase() to IetfLang.English.KI,
+            IetfLang.English.KN.code.lowercase() to IetfLang.English.KN,
+            IetfLang.English.KY.code.lowercase() to IetfLang.English.KY,
+            IetfLang.English.LC.code.lowercase() to IetfLang.English.LC,
+            IetfLang.English.LR.code.lowercase() to IetfLang.English.LR,
+            IetfLang.English.LS.code.lowercase() to IetfLang.English.LS,
+            IetfLang.English.MG.code.lowercase() to IetfLang.English.MG,
+            IetfLang.English.MH.code.lowercase() to IetfLang.English.MH,
+            IetfLang.English.MO.code.lowercase() to IetfLang.English.MO,
+            IetfLang.English.MP.code.lowercase() to IetfLang.English.MP,
+            IetfLang.English.MS.code.lowercase() to IetfLang.English.MS,
+            IetfLang.English.MT.code.lowercase() to IetfLang.English.MT,
+            IetfLang.English.MU.code.lowercase() to IetfLang.English.MU,
+            IetfLang.English.MW.code.lowercase() to IetfLang.English.MW,
+            IetfLang.English.MY.code.lowercase() to IetfLang.English.MY,
+            IetfLang.English.NA.code.lowercase() to IetfLang.English.NA,
+            IetfLang.English.NF.code.lowercase() to IetfLang.English.NF,
+            IetfLang.English.NG.code.lowercase() to IetfLang.English.NG,
+            IetfLang.English.NL.code.lowercase() to IetfLang.English.NL,
+            IetfLang.English.NR.code.lowercase() to IetfLang.English.NR,
+            IetfLang.English.NU.code.lowercase() to IetfLang.English.NU,
+            IetfLang.English.NZ.code.lowercase() to IetfLang.English.NZ,
+            IetfLang.English.PG.code.lowercase() to IetfLang.English.PG,
+            IetfLang.English.PH.code.lowercase() to IetfLang.English.PH,
+            IetfLang.English.PK.code.lowercase() to IetfLang.English.PK,
+            IetfLang.English.PN.code.lowercase() to IetfLang.English.PN,
+            IetfLang.English.PR.code.lowercase() to IetfLang.English.PR,
+            IetfLang.English.PW.code.lowercase() to IetfLang.English.PW,
+            IetfLang.English.RW.code.lowercase() to IetfLang.English.RW,
+            IetfLang.English.SB.code.lowercase() to IetfLang.English.SB,
+            IetfLang.English.SC.code.lowercase() to IetfLang.English.SC,
+            IetfLang.English.SD.code.lowercase() to IetfLang.English.SD,
+            IetfLang.English.SE.code.lowercase() to IetfLang.English.SE,
+            IetfLang.English.SG.code.lowercase() to IetfLang.English.SG,
+            IetfLang.English.SH.code.lowercase() to IetfLang.English.SH,
+            IetfLang.English.SI.code.lowercase() to IetfLang.English.SI,
+            IetfLang.English.SL.code.lowercase() to IetfLang.English.SL,
+            IetfLang.English.SS.code.lowercase() to IetfLang.English.SS,
+            IetfLang.English.SX.code.lowercase() to IetfLang.English.SX,
+            IetfLang.English.SZ.code.lowercase() to IetfLang.English.SZ,
+            IetfLang.English.TC.code.lowercase() to IetfLang.English.TC,
+            IetfLang.English.TK.code.lowercase() to IetfLang.English.TK,
+            IetfLang.English.TO.code.lowercase() to IetfLang.English.TO,
+            IetfLang.English.TT.code.lowercase() to IetfLang.English.TT,
+            IetfLang.English.TV.code.lowercase() to IetfLang.English.TV,
+            IetfLang.English.TZ.code.lowercase() to IetfLang.English.TZ,
+            IetfLang.English.UG.code.lowercase() to IetfLang.English.UG,
+            IetfLang.English.UM.code.lowercase() to IetfLang.English.UM,
+            IetfLang.English.US.code.lowercase() to IetfLang.English.US,
+                IetfLang.English.US.POSIX.code.lowercase() to IetfLang.English.US.POSIX,
+            IetfLang.English.VC.code.lowercase() to IetfLang.English.VC,
+            IetfLang.English.VG.code.lowercase() to IetfLang.English.VG,
+            IetfLang.English.VI.code.lowercase() to IetfLang.English.VI,
+            IetfLang.English.VU.code.lowercase() to IetfLang.English.VU,
+            IetfLang.English.WS.code.lowercase() to IetfLang.English.WS,
+            IetfLang.English.ZA.code.lowercase() to IetfLang.English.ZA,
+            IetfLang.English.ZM.code.lowercase() to IetfLang.English.ZM,
+            IetfLang.English.ZW.code.lowercase() to IetfLang.English.ZW,
+        IetfLang.Esperanto.code.lowercase() to IetfLang.Esperanto,
+            IetfLang.Esperanto.L001.code.lowercase() to IetfLang.Esperanto.L001,
+        IetfLang.SpanishCastilian.code.lowercase() to IetfLang.SpanishCastilian,
+            IetfLang.SpanishCastilian.L419.code.lowercase() to IetfLang.SpanishCastilian.L419,
+            IetfLang.SpanishCastilian.AR.code.lowercase() to IetfLang.SpanishCastilian.AR,
+            IetfLang.SpanishCastilian.BO.code.lowercase() to IetfLang.SpanishCastilian.BO,
+            IetfLang.SpanishCastilian.BR.code.lowercase() to IetfLang.SpanishCastilian.BR,
+            IetfLang.SpanishCastilian.BZ.code.lowercase() to IetfLang.SpanishCastilian.BZ,
+            IetfLang.SpanishCastilian.CL.code.lowercase() to IetfLang.SpanishCastilian.CL,
+            IetfLang.SpanishCastilian.CO.code.lowercase() to IetfLang.SpanishCastilian.CO,
+            IetfLang.SpanishCastilian.CR.code.lowercase() to IetfLang.SpanishCastilian.CR,
+            IetfLang.SpanishCastilian.CU.code.lowercase() to IetfLang.SpanishCastilian.CU,
+            IetfLang.SpanishCastilian.DO.code.lowercase() to IetfLang.SpanishCastilian.DO,
+            IetfLang.SpanishCastilian.EA.code.lowercase() to IetfLang.SpanishCastilian.EA,
+            IetfLang.SpanishCastilian.EC.code.lowercase() to IetfLang.SpanishCastilian.EC,
+            IetfLang.SpanishCastilian.ES.code.lowercase() to IetfLang.SpanishCastilian.ES,
+            IetfLang.SpanishCastilian.GQ.code.lowercase() to IetfLang.SpanishCastilian.GQ,
+            IetfLang.SpanishCastilian.GT.code.lowercase() to IetfLang.SpanishCastilian.GT,
+            IetfLang.SpanishCastilian.HN.code.lowercase() to IetfLang.SpanishCastilian.HN,
+            IetfLang.SpanishCastilian.IC.code.lowercase() to IetfLang.SpanishCastilian.IC,
+            IetfLang.SpanishCastilian.MX.code.lowercase() to IetfLang.SpanishCastilian.MX,
+            IetfLang.SpanishCastilian.NI.code.lowercase() to IetfLang.SpanishCastilian.NI,
+            IetfLang.SpanishCastilian.PA.code.lowercase() to IetfLang.SpanishCastilian.PA,
+            IetfLang.SpanishCastilian.PE.code.lowercase() to IetfLang.SpanishCastilian.PE,
+            IetfLang.SpanishCastilian.PH.code.lowercase() to IetfLang.SpanishCastilian.PH,
+            IetfLang.SpanishCastilian.PR.code.lowercase() to IetfLang.SpanishCastilian.PR,
+            IetfLang.SpanishCastilian.PY.code.lowercase() to IetfLang.SpanishCastilian.PY,
+            IetfLang.SpanishCastilian.SV.code.lowercase() to IetfLang.SpanishCastilian.SV,
+            IetfLang.SpanishCastilian.US.code.lowercase() to IetfLang.SpanishCastilian.US,
+            IetfLang.SpanishCastilian.UY.code.lowercase() to IetfLang.SpanishCastilian.UY,
+            IetfLang.SpanishCastilian.VE.code.lowercase() to IetfLang.SpanishCastilian.VE,
+        IetfLang.Estonian.code.lowercase() to IetfLang.Estonian,
+            IetfLang.Estonian.EE.code.lowercase() to IetfLang.Estonian.EE,
+        IetfLang.Basque.code.lowercase() to IetfLang.Basque,
+            IetfLang.Basque.ES.code.lowercase() to IetfLang.Basque.ES,
+        IetfLang.Persian.code.lowercase() to IetfLang.Persian,
+            IetfLang.Persian.AF.code.lowercase() to IetfLang.Persian.AF,
+            IetfLang.Persian.IR.code.lowercase() to IetfLang.Persian.IR,
+        IetfLang.Fulah.code.lowercase() to IetfLang.Fulah,
+            IetfLang.Fulah.Adlm.code.lowercase() to IetfLang.Fulah.Adlm,
+                IetfLang.Fulah.Adlm.BF.code.lowercase() to IetfLang.Fulah.Adlm.BF,
+                IetfLang.Fulah.Adlm.CM.code.lowercase() to IetfLang.Fulah.Adlm.CM,
+                IetfLang.Fulah.Adlm.GH.code.lowercase() to IetfLang.Fulah.Adlm.GH,
+                IetfLang.Fulah.Adlm.GM.code.lowercase() to IetfLang.Fulah.Adlm.GM,
+                IetfLang.Fulah.Adlm.GN.code.lowercase() to IetfLang.Fulah.Adlm.GN,
+                IetfLang.Fulah.Adlm.GW.code.lowercase() to IetfLang.Fulah.Adlm.GW,
+                IetfLang.Fulah.Adlm.LR.code.lowercase() to IetfLang.Fulah.Adlm.LR,
+                IetfLang.Fulah.Adlm.MR.code.lowercase() to IetfLang.Fulah.Adlm.MR,
+                IetfLang.Fulah.Adlm.NE.code.lowercase() to IetfLang.Fulah.Adlm.NE,
+                IetfLang.Fulah.Adlm.NG.code.lowercase() to IetfLang.Fulah.Adlm.NG,
+                IetfLang.Fulah.Adlm.SL.code.lowercase() to IetfLang.Fulah.Adlm.SL,
+                IetfLang.Fulah.Adlm.SN.code.lowercase() to IetfLang.Fulah.Adlm.SN,
+            IetfLang.Fulah.Latn.code.lowercase() to IetfLang.Fulah.Latn,
+                IetfLang.Fulah.Latn.BF.code.lowercase() to IetfLang.Fulah.Latn.BF,
+                IetfLang.Fulah.Latn.CM.code.lowercase() to IetfLang.Fulah.Latn.CM,
+                IetfLang.Fulah.Latn.GH.code.lowercase() to IetfLang.Fulah.Latn.GH,
+                IetfLang.Fulah.Latn.GM.code.lowercase() to IetfLang.Fulah.Latn.GM,
+                IetfLang.Fulah.Latn.GN.code.lowercase() to IetfLang.Fulah.Latn.GN,
+                IetfLang.Fulah.Latn.GW.code.lowercase() to IetfLang.Fulah.Latn.GW,
+                IetfLang.Fulah.Latn.LR.code.lowercase() to IetfLang.Fulah.Latn.LR,
+                IetfLang.Fulah.Latn.MR.code.lowercase() to IetfLang.Fulah.Latn.MR,
+                IetfLang.Fulah.Latn.NE.code.lowercase() to IetfLang.Fulah.Latn.NE,
+                IetfLang.Fulah.Latn.NG.code.lowercase() to IetfLang.Fulah.Latn.NG,
+                IetfLang.Fulah.Latn.SL.code.lowercase() to IetfLang.Fulah.Latn.SL,
+                IetfLang.Fulah.Latn.SN.code.lowercase() to IetfLang.Fulah.Latn.SN,
+        IetfLang.Finnish.code.lowercase() to IetfLang.Finnish,
+            IetfLang.Finnish.FI.code.lowercase() to IetfLang.Finnish.FI,
+        IetfLang.Fijian.code.lowercase() to IetfLang.Fijian,
+        IetfLang.Faroese.code.lowercase() to IetfLang.Faroese,
+            IetfLang.Faroese.DK.code.lowercase() to IetfLang.Faroese.DK,
+            IetfLang.Faroese.FO.code.lowercase() to IetfLang.Faroese.FO,
+        IetfLang.French.code.lowercase() to IetfLang.French,
+            IetfLang.French.BE.code.lowercase() to IetfLang.French.BE,
+            IetfLang.French.BF.code.lowercase() to IetfLang.French.BF,
+            IetfLang.French.BI.code.lowercase() to IetfLang.French.BI,
+            IetfLang.French.BJ.code.lowercase() to IetfLang.French.BJ,
+            IetfLang.French.BL.code.lowercase() to IetfLang.French.BL,
+            IetfLang.French.CA.code.lowercase() to IetfLang.French.CA,
+            IetfLang.French.CD.code.lowercase() to IetfLang.French.CD,
+            IetfLang.French.CF.code.lowercase() to IetfLang.French.CF,
+            IetfLang.French.CG.code.lowercase() to IetfLang.French.CG,
+            IetfLang.French.CH.code.lowercase() to IetfLang.French.CH,
+            IetfLang.French.CI.code.lowercase() to IetfLang.French.CI,
+            IetfLang.French.CM.code.lowercase() to IetfLang.French.CM,
+            IetfLang.French.DJ.code.lowercase() to IetfLang.French.DJ,
+            IetfLang.French.DZ.code.lowercase() to IetfLang.French.DZ,
+            IetfLang.French.FR.code.lowercase() to IetfLang.French.FR,
+            IetfLang.French.GA.code.lowercase() to IetfLang.French.GA,
+            IetfLang.French.GF.code.lowercase() to IetfLang.French.GF,
+            IetfLang.French.GN.code.lowercase() to IetfLang.French.GN,
+            IetfLang.French.GP.code.lowercase() to IetfLang.French.GP,
+            IetfLang.French.GQ.code.lowercase() to IetfLang.French.GQ,
+            IetfLang.French.HT.code.lowercase() to IetfLang.French.HT,
+            IetfLang.French.KM.code.lowercase() to IetfLang.French.KM,
+            IetfLang.French.LU.code.lowercase() to IetfLang.French.LU,
+            IetfLang.French.MA.code.lowercase() to IetfLang.French.MA,
+            IetfLang.French.MC.code.lowercase() to IetfLang.French.MC,
+            IetfLang.French.MF.code.lowercase() to IetfLang.French.MF,
+            IetfLang.French.MG.code.lowercase() to IetfLang.French.MG,
+            IetfLang.French.ML.code.lowercase() to IetfLang.French.ML,
+            IetfLang.French.MQ.code.lowercase() to IetfLang.French.MQ,
+            IetfLang.French.MR.code.lowercase() to IetfLang.French.MR,
+            IetfLang.French.MU.code.lowercase() to IetfLang.French.MU,
+            IetfLang.French.NC.code.lowercase() to IetfLang.French.NC,
+            IetfLang.French.NE.code.lowercase() to IetfLang.French.NE,
+            IetfLang.French.PF.code.lowercase() to IetfLang.French.PF,
+            IetfLang.French.PM.code.lowercase() to IetfLang.French.PM,
+            IetfLang.French.RE.code.lowercase() to IetfLang.French.RE,
+            IetfLang.French.RW.code.lowercase() to IetfLang.French.RW,
+            IetfLang.French.SC.code.lowercase() to IetfLang.French.SC,
+            IetfLang.French.SN.code.lowercase() to IetfLang.French.SN,
+            IetfLang.French.SY.code.lowercase() to IetfLang.French.SY,
+            IetfLang.French.TD.code.lowercase() to IetfLang.French.TD,
+            IetfLang.French.TG.code.lowercase() to IetfLang.French.TG,
+            IetfLang.French.TN.code.lowercase() to IetfLang.French.TN,
+            IetfLang.French.VU.code.lowercase() to IetfLang.French.VU,
+            IetfLang.French.WF.code.lowercase() to IetfLang.French.WF,
+            IetfLang.French.YT.code.lowercase() to IetfLang.French.YT,
+        IetfLang.WesternFrisian.code.lowercase() to IetfLang.WesternFrisian,
+            IetfLang.WesternFrisian.NL.code.lowercase() to IetfLang.WesternFrisian.NL,
+        IetfLang.Irish.code.lowercase() to IetfLang.Irish,
+            IetfLang.Irish.GB.code.lowercase() to IetfLang.Irish.GB,
+            IetfLang.Irish.IE.code.lowercase() to IetfLang.Irish.IE,
+        IetfLang.GaelicScottishGaelic.code.lowercase() to IetfLang.GaelicScottishGaelic,
+            IetfLang.GaelicScottishGaelic.GB.code.lowercase() to IetfLang.GaelicScottishGaelic.GB,
+        IetfLang.Galician.code.lowercase() to IetfLang.Galician,
+            IetfLang.Galician.ES.code.lowercase() to IetfLang.Galician.ES,
+        IetfLang.Guarani.code.lowercase() to IetfLang.Guarani,
+        IetfLang.Gujarati.code.lowercase() to IetfLang.Gujarati,
+            IetfLang.Gujarati.IN.code.lowercase() to IetfLang.Gujarati.IN,
+        IetfLang.Manx.code.lowercase() to IetfLang.Manx,
+            IetfLang.Manx.IM.code.lowercase() to IetfLang.Manx.IM,
+        IetfLang.Hausa.code.lowercase() to IetfLang.Hausa,
+            IetfLang.Hausa.GH.code.lowercase() to IetfLang.Hausa.GH,
+            IetfLang.Hausa.NE.code.lowercase() to IetfLang.Hausa.NE,
+            IetfLang.Hausa.NG.code.lowercase() to IetfLang.Hausa.NG,
+        IetfLang.Hebrew.code.lowercase() to IetfLang.Hebrew,
+            IetfLang.Hebrew.IL.code.lowercase() to IetfLang.Hebrew.IL,
+        IetfLang.Hindi.code.lowercase() to IetfLang.Hindi,
+            IetfLang.Hindi.IN.code.lowercase() to IetfLang.Hindi.IN,
+        IetfLang.HiriMotu.code.lowercase() to IetfLang.HiriMotu,
+        IetfLang.Croatian.code.lowercase() to IetfLang.Croatian,
+            IetfLang.Croatian.BA.code.lowercase() to IetfLang.Croatian.BA,
+            IetfLang.Croatian.HR.code.lowercase() to IetfLang.Croatian.HR,
+        IetfLang.HaitianHaitianCreole.code.lowercase() to IetfLang.HaitianHaitianCreole,
+        IetfLang.Hungarian.code.lowercase() to IetfLang.Hungarian,
+            IetfLang.Hungarian.HU.code.lowercase() to IetfLang.Hungarian.HU,
+        IetfLang.Armenian.code.lowercase() to IetfLang.Armenian,
+            IetfLang.Armenian.AM.code.lowercase() to IetfLang.Armenian.AM,
+        IetfLang.Herero.code.lowercase() to IetfLang.Herero,
+        IetfLang.InterlinguaInternationalAuxiliaryLanguageAssociation.code.lowercase() to IetfLang.InterlinguaInternationalAuxiliaryLanguageAssociation,
+            IetfLang.InterlinguaInternationalAuxiliaryLanguageAssociation.L001.code.lowercase() to IetfLang.InterlinguaInternationalAuxiliaryLanguageAssociation.L001,
+        IetfLang.Indonesian.code.lowercase() to IetfLang.Indonesian,
+            IetfLang.Indonesian.ID.code.lowercase() to IetfLang.Indonesian.ID,
+        IetfLang.InterlingueOccidental.code.lowercase() to IetfLang.InterlingueOccidental,
+        IetfLang.Igbo.code.lowercase() to IetfLang.Igbo,
+            IetfLang.Igbo.NG.code.lowercase() to IetfLang.Igbo.NG,
+        IetfLang.SichuanYiNuosu.code.lowercase() to IetfLang.SichuanYiNuosu,
+            IetfLang.SichuanYiNuosu.CN.code.lowercase() to IetfLang.SichuanYiNuosu.CN,
+        IetfLang.Inupiaq.code.lowercase() to IetfLang.Inupiaq,
+        IetfLang.Ido.code.lowercase() to IetfLang.Ido,
+        IetfLang.Icelandic.code.lowercase() to IetfLang.Icelandic,
+            IetfLang.Icelandic.IS.code.lowercase() to IetfLang.Icelandic.IS,
+        IetfLang.Italian.code.lowercase() to IetfLang.Italian,
+            IetfLang.Italian.CH.code.lowercase() to IetfLang.Italian.CH,
+            IetfLang.Italian.IT.code.lowercase() to IetfLang.Italian.IT,
+            IetfLang.Italian.SM.code.lowercase() to IetfLang.Italian.SM,
+            IetfLang.Italian.VA.code.lowercase() to IetfLang.Italian.VA,
+        IetfLang.Inuktitut.code.lowercase() to IetfLang.Inuktitut,
+        IetfLang.Japanese.code.lowercase() to IetfLang.Japanese,
+            IetfLang.Japanese.JP.code.lowercase() to IetfLang.Japanese.JP,
+        IetfLang.Javanese.code.lowercase() to IetfLang.Javanese,
+            IetfLang.Javanese.ID.code.lowercase() to IetfLang.Javanese.ID,
+        IetfLang.Georgian.code.lowercase() to IetfLang.Georgian,
+            IetfLang.Georgian.GE.code.lowercase() to IetfLang.Georgian.GE,
+        IetfLang.Kongo.code.lowercase() to IetfLang.Kongo,
+        IetfLang.KikuyuGikuyu.code.lowercase() to IetfLang.KikuyuGikuyu,
+            IetfLang.KikuyuGikuyu.KE.code.lowercase() to IetfLang.KikuyuGikuyu.KE,
+        IetfLang.KuanyamaKwanyama.code.lowercase() to IetfLang.KuanyamaKwanyama,
+        IetfLang.Kazakh.code.lowercase() to IetfLang.Kazakh,
+            IetfLang.Kazakh.KZ.code.lowercase() to IetfLang.Kazakh.KZ,
+        IetfLang.KalaallisutGreenlandic.code.lowercase() to IetfLang.KalaallisutGreenlandic,
+            IetfLang.KalaallisutGreenlandic.GL.code.lowercase() to IetfLang.KalaallisutGreenlandic.GL,
+        IetfLang.CentralKhmer.code.lowercase() to IetfLang.CentralKhmer,
+            IetfLang.CentralKhmer.KH.code.lowercase() to IetfLang.CentralKhmer.KH,
+        IetfLang.Kannada.code.lowercase() to IetfLang.Kannada,
+            IetfLang.Kannada.IN.code.lowercase() to IetfLang.Kannada.IN,
+        IetfLang.Korean.code.lowercase() to IetfLang.Korean,
+            IetfLang.Korean.KP.code.lowercase() to IetfLang.Korean.KP,
+            IetfLang.Korean.KR.code.lowercase() to IetfLang.Korean.KR,
+        IetfLang.Kanuri.code.lowercase() to IetfLang.Kanuri,
+        IetfLang.Kashmiri.code.lowercase() to IetfLang.Kashmiri,
+            IetfLang.Kashmiri.Arab.code.lowercase() to IetfLang.Kashmiri.Arab,
+                IetfLang.Kashmiri.Arab.IN.code.lowercase() to IetfLang.Kashmiri.Arab.IN,
+        IetfLang.Kurdish.code.lowercase() to IetfLang.Kurdish,
+            IetfLang.Kurdish.TR.code.lowercase() to IetfLang.Kurdish.TR,
+        IetfLang.Komi.code.lowercase() to IetfLang.Komi,
+        IetfLang.Cornish.code.lowercase() to IetfLang.Cornish,
+            IetfLang.Cornish.GB.code.lowercase() to IetfLang.Cornish.GB,
+        IetfLang.KirghizKyrgyz.code.lowercase() to IetfLang.KirghizKyrgyz,
+            IetfLang.KirghizKyrgyz.KG.code.lowercase() to IetfLang.KirghizKyrgyz.KG,
+        IetfLang.Latin.code.lowercase() to IetfLang.Latin,
+        IetfLang.LuxembourgishLetzeburgesch.code.lowercase() to IetfLang.LuxembourgishLetzeburgesch,
+            IetfLang.LuxembourgishLetzeburgesch.LU.code.lowercase() to IetfLang.LuxembourgishLetzeburgesch.LU,
+        IetfLang.Ganda.code.lowercase() to IetfLang.Ganda,
+            IetfLang.Ganda.UG.code.lowercase() to IetfLang.Ganda.UG,
+        IetfLang.LimburganLimburgerLimburgish.code.lowercase() to IetfLang.LimburganLimburgerLimburgish,
+        IetfLang.Lingala.code.lowercase() to IetfLang.Lingala,
+            IetfLang.Lingala.AO.code.lowercase() to IetfLang.Lingala.AO,
+            IetfLang.Lingala.CD.code.lowercase() to IetfLang.Lingala.CD,
+            IetfLang.Lingala.CF.code.lowercase() to IetfLang.Lingala.CF,
+            IetfLang.Lingala.CG.code.lowercase() to IetfLang.Lingala.CG,
+        IetfLang.Lao.code.lowercase() to IetfLang.Lao,
+            IetfLang.Lao.LA.code.lowercase() to IetfLang.Lao.LA,
+        IetfLang.Lithuanian.code.lowercase() to IetfLang.Lithuanian,
+            IetfLang.Lithuanian.LT.code.lowercase() to IetfLang.Lithuanian.LT,
+        IetfLang.LubaKatanga.code.lowercase() to IetfLang.LubaKatanga,
+            IetfLang.LubaKatanga.CD.code.lowercase() to IetfLang.LubaKatanga.CD,
+        IetfLang.Latvian.code.lowercase() to IetfLang.Latvian,
+            IetfLang.Latvian.LV.code.lowercase() to IetfLang.Latvian.LV,
+        IetfLang.Malagasy.code.lowercase() to IetfLang.Malagasy,
+            IetfLang.Malagasy.MG.code.lowercase() to IetfLang.Malagasy.MG,
+        IetfLang.Marshallese.code.lowercase() to IetfLang.Marshallese,
+        IetfLang.Maori.code.lowercase() to IetfLang.Maori,
+            IetfLang.Maori.NZ.code.lowercase() to IetfLang.Maori.NZ,
+        IetfLang.Macedonian.code.lowercase() to IetfLang.Macedonian,
+            IetfLang.Macedonian.MK.code.lowercase() to IetfLang.Macedonian.MK,
+        IetfLang.Malayalam.code.lowercase() to IetfLang.Malayalam,
+            IetfLang.Malayalam.IN.code.lowercase() to IetfLang.Malayalam.IN,
+        IetfLang.Mongolian.code.lowercase() to IetfLang.Mongolian,
+            IetfLang.Mongolian.MN.code.lowercase() to IetfLang.Mongolian.MN,
+        IetfLang.Marathi.code.lowercase() to IetfLang.Marathi,
+            IetfLang.Marathi.IN.code.lowercase() to IetfLang.Marathi.IN,
+        IetfLang.Malay.code.lowercase() to IetfLang.Malay,
+            IetfLang.Malay.BN.code.lowercase() to IetfLang.Malay.BN,
+            IetfLang.Malay.ID.code.lowercase() to IetfLang.Malay.ID,
+            IetfLang.Malay.MY.code.lowercase() to IetfLang.Malay.MY,
+            IetfLang.Malay.SG.code.lowercase() to IetfLang.Malay.SG,
+        IetfLang.Maltese.code.lowercase() to IetfLang.Maltese,
+            IetfLang.Maltese.MT.code.lowercase() to IetfLang.Maltese.MT,
+        IetfLang.Burmese.code.lowercase() to IetfLang.Burmese,
+            IetfLang.Burmese.MM.code.lowercase() to IetfLang.Burmese.MM,
+        IetfLang.Nauru.code.lowercase() to IetfLang.Nauru,
+        IetfLang.BokmalNorwegianNorwegianBokmal.code.lowercase() to IetfLang.BokmalNorwegianNorwegianBokmal,
+            IetfLang.BokmalNorwegianNorwegianBokmal.NO.code.lowercase() to IetfLang.BokmalNorwegianNorwegianBokmal.NO,
+            IetfLang.BokmalNorwegianNorwegianBokmal.SJ.code.lowercase() to IetfLang.BokmalNorwegianNorwegianBokmal.SJ,
+        IetfLang.NdebeleNorthNorthNdebele.code.lowercase() to IetfLang.NdebeleNorthNorthNdebele,
+            IetfLang.NdebeleNorthNorthNdebele.ZW.code.lowercase() to IetfLang.NdebeleNorthNorthNdebele.ZW,
+        IetfLang.Nepali.code.lowercase() to IetfLang.Nepali,
+            IetfLang.Nepali.IN.code.lowercase() to IetfLang.Nepali.IN,
+            IetfLang.Nepali.NP.code.lowercase() to IetfLang.Nepali.NP,
+        IetfLang.Ndonga.code.lowercase() to IetfLang.Ndonga,
+        IetfLang.DutchFlemish.code.lowercase() to IetfLang.DutchFlemish,
+            IetfLang.DutchFlemish.AW.code.lowercase() to IetfLang.DutchFlemish.AW,
+            IetfLang.DutchFlemish.BE.code.lowercase() to IetfLang.DutchFlemish.BE,
+            IetfLang.DutchFlemish.BQ.code.lowercase() to IetfLang.DutchFlemish.BQ,
+            IetfLang.DutchFlemish.CW.code.lowercase() to IetfLang.DutchFlemish.CW,
+            IetfLang.DutchFlemish.NL.code.lowercase() to IetfLang.DutchFlemish.NL,
+            IetfLang.DutchFlemish.SR.code.lowercase() to IetfLang.DutchFlemish.SR,
+            IetfLang.DutchFlemish.SX.code.lowercase() to IetfLang.DutchFlemish.SX,
+        IetfLang.NorwegianNynorskNynorskNorwegian.code.lowercase() to IetfLang.NorwegianNynorskNynorskNorwegian,
+            IetfLang.NorwegianNynorskNynorskNorwegian.NO.code.lowercase() to IetfLang.NorwegianNynorskNynorskNorwegian.NO,
+        IetfLang.Norwegian.code.lowercase() to IetfLang.Norwegian,
+        IetfLang.NdebeleSouthSouthNdebele.code.lowercase() to IetfLang.NdebeleSouthSouthNdebele,
+        IetfLang.NavajoNavaho.code.lowercase() to IetfLang.NavajoNavaho,
+        IetfLang.ChichewaChewaNyanja.code.lowercase() to IetfLang.ChichewaChewaNyanja,
+        IetfLang.OccitanPost1500.code.lowercase() to IetfLang.OccitanPost1500,
+        IetfLang.Ojibwa.code.lowercase() to IetfLang.Ojibwa,
+        IetfLang.Oromo.code.lowercase() to IetfLang.Oromo,
+            IetfLang.Oromo.ET.code.lowercase() to IetfLang.Oromo.ET,
+            IetfLang.Oromo.KE.code.lowercase() to IetfLang.Oromo.KE,
+        IetfLang.Oriya.code.lowercase() to IetfLang.Oriya,
+            IetfLang.Oriya.IN.code.lowercase() to IetfLang.Oriya.IN,
+        IetfLang.OssetianOssetic.code.lowercase() to IetfLang.OssetianOssetic,
+            IetfLang.OssetianOssetic.GE.code.lowercase() to IetfLang.OssetianOssetic.GE,
+            IetfLang.OssetianOssetic.RU.code.lowercase() to IetfLang.OssetianOssetic.RU,
+        IetfLang.PanjabiPunjabi.code.lowercase() to IetfLang.PanjabiPunjabi,
+            IetfLang.PanjabiPunjabi.Arab.code.lowercase() to IetfLang.PanjabiPunjabi.Arab,
+                IetfLang.PanjabiPunjabi.Arab.PK.code.lowercase() to IetfLang.PanjabiPunjabi.Arab.PK,
+            IetfLang.PanjabiPunjabi.Guru.code.lowercase() to IetfLang.PanjabiPunjabi.Guru,
+                IetfLang.PanjabiPunjabi.Guru.IN.code.lowercase() to IetfLang.PanjabiPunjabi.Guru.IN,
+        IetfLang.Pali.code.lowercase() to IetfLang.Pali,
+        IetfLang.Polish.code.lowercase() to IetfLang.Polish,
+            IetfLang.Polish.PL.code.lowercase() to IetfLang.Polish.PL,
+        IetfLang.PushtoPashto.code.lowercase() to IetfLang.PushtoPashto,
+            IetfLang.PushtoPashto.AF.code.lowercase() to IetfLang.PushtoPashto.AF,
+            IetfLang.PushtoPashto.PK.code.lowercase() to IetfLang.PushtoPashto.PK,
+        IetfLang.Portuguese.code.lowercase() to IetfLang.Portuguese,
+            IetfLang.Portuguese.AO.code.lowercase() to IetfLang.Portuguese.AO,
+            IetfLang.Portuguese.BR.code.lowercase() to IetfLang.Portuguese.BR,
+            IetfLang.Portuguese.CH.code.lowercase() to IetfLang.Portuguese.CH,
+            IetfLang.Portuguese.CV.code.lowercase() to IetfLang.Portuguese.CV,
+            IetfLang.Portuguese.GQ.code.lowercase() to IetfLang.Portuguese.GQ,
+            IetfLang.Portuguese.GW.code.lowercase() to IetfLang.Portuguese.GW,
+            IetfLang.Portuguese.LU.code.lowercase() to IetfLang.Portuguese.LU,
+            IetfLang.Portuguese.MO.code.lowercase() to IetfLang.Portuguese.MO,
+            IetfLang.Portuguese.MZ.code.lowercase() to IetfLang.Portuguese.MZ,
+            IetfLang.Portuguese.PT.code.lowercase() to IetfLang.Portuguese.PT,
+            IetfLang.Portuguese.ST.code.lowercase() to IetfLang.Portuguese.ST,
+            IetfLang.Portuguese.TL.code.lowercase() to IetfLang.Portuguese.TL,
+        IetfLang.Quechua.code.lowercase() to IetfLang.Quechua,
+            IetfLang.Quechua.BO.code.lowercase() to IetfLang.Quechua.BO,
+            IetfLang.Quechua.EC.code.lowercase() to IetfLang.Quechua.EC,
+            IetfLang.Quechua.PE.code.lowercase() to IetfLang.Quechua.PE,
+        IetfLang.Romansh.code.lowercase() to IetfLang.Romansh,
+            IetfLang.Romansh.CH.code.lowercase() to IetfLang.Romansh.CH,
+        IetfLang.Rundi.code.lowercase() to IetfLang.Rundi,
+            IetfLang.Rundi.BI.code.lowercase() to IetfLang.Rundi.BI,
+        IetfLang.RomanianMoldavianMoldovan.code.lowercase() to IetfLang.RomanianMoldavianMoldovan,
+            IetfLang.RomanianMoldavianMoldovan.MD.code.lowercase() to IetfLang.RomanianMoldavianMoldovan.MD,
+            IetfLang.RomanianMoldavianMoldovan.RO.code.lowercase() to IetfLang.RomanianMoldavianMoldovan.RO,
+        IetfLang.Russian.code.lowercase() to IetfLang.Russian,
+            IetfLang.Russian.BY.code.lowercase() to IetfLang.Russian.BY,
+            IetfLang.Russian.KG.code.lowercase() to IetfLang.Russian.KG,
+            IetfLang.Russian.KZ.code.lowercase() to IetfLang.Russian.KZ,
+            IetfLang.Russian.MD.code.lowercase() to IetfLang.Russian.MD,
+            IetfLang.Russian.RU.code.lowercase() to IetfLang.Russian.RU,
+            IetfLang.Russian.UA.code.lowercase() to IetfLang.Russian.UA,
+        IetfLang.Kinyarwanda.code.lowercase() to IetfLang.Kinyarwanda,
+            IetfLang.Kinyarwanda.RW.code.lowercase() to IetfLang.Kinyarwanda.RW,
+        IetfLang.Sanskrit.code.lowercase() to IetfLang.Sanskrit,
+        IetfLang.Sardinian.code.lowercase() to IetfLang.Sardinian,
+        IetfLang.Sindhi.code.lowercase() to IetfLang.Sindhi,
+            IetfLang.Sindhi.Arab.code.lowercase() to IetfLang.Sindhi.Arab,
+                IetfLang.Sindhi.Arab.PK.code.lowercase() to IetfLang.Sindhi.Arab.PK,
+            IetfLang.Sindhi.Deva.code.lowercase() to IetfLang.Sindhi.Deva,
+                IetfLang.Sindhi.Deva.IN.code.lowercase() to IetfLang.Sindhi.Deva.IN,
+        IetfLang.NorthernSami.code.lowercase() to IetfLang.NorthernSami,
+            IetfLang.NorthernSami.FI.code.lowercase() to IetfLang.NorthernSami.FI,
+            IetfLang.NorthernSami.NO.code.lowercase() to IetfLang.NorthernSami.NO,
+            IetfLang.NorthernSami.SE.code.lowercase() to IetfLang.NorthernSami.SE,
+        IetfLang.Sango.code.lowercase() to IetfLang.Sango,
+            IetfLang.Sango.CF.code.lowercase() to IetfLang.Sango.CF,
+        IetfLang.SinhalaSinhalese.code.lowercase() to IetfLang.SinhalaSinhalese,
+            IetfLang.SinhalaSinhalese.LK.code.lowercase() to IetfLang.SinhalaSinhalese.LK,
+        IetfLang.Slovak.code.lowercase() to IetfLang.Slovak,
+            IetfLang.Slovak.SK.code.lowercase() to IetfLang.Slovak.SK,
+        IetfLang.Slovenian.code.lowercase() to IetfLang.Slovenian,
+            IetfLang.Slovenian.SI.code.lowercase() to IetfLang.Slovenian.SI,
+        IetfLang.Samoan.code.lowercase() to IetfLang.Samoan,
+        IetfLang.Shona.code.lowercase() to IetfLang.Shona,
+            IetfLang.Shona.ZW.code.lowercase() to IetfLang.Shona.ZW,
+        IetfLang.Somali.code.lowercase() to IetfLang.Somali,
+            IetfLang.Somali.DJ.code.lowercase() to IetfLang.Somali.DJ,
+            IetfLang.Somali.ET.code.lowercase() to IetfLang.Somali.ET,
+            IetfLang.Somali.KE.code.lowercase() to IetfLang.Somali.KE,
+            IetfLang.Somali.SO.code.lowercase() to IetfLang.Somali.SO,
+        IetfLang.Albanian.code.lowercase() to IetfLang.Albanian,
+            IetfLang.Albanian.AL.code.lowercase() to IetfLang.Albanian.AL,
+            IetfLang.Albanian.MK.code.lowercase() to IetfLang.Albanian.MK,
+            IetfLang.Albanian.XK.code.lowercase() to IetfLang.Albanian.XK,
+        IetfLang.Serbian.code.lowercase() to IetfLang.Serbian,
+            IetfLang.Serbian.Cyrl.code.lowercase() to IetfLang.Serbian.Cyrl,
+                IetfLang.Serbian.Cyrl.BA.code.lowercase() to IetfLang.Serbian.Cyrl.BA,
+                IetfLang.Serbian.Cyrl.ME.code.lowercase() to IetfLang.Serbian.Cyrl.ME,
+                IetfLang.Serbian.Cyrl.RS.code.lowercase() to IetfLang.Serbian.Cyrl.RS,
+                IetfLang.Serbian.Cyrl.XK.code.lowercase() to IetfLang.Serbian.Cyrl.XK,
+            IetfLang.Serbian.Latn.code.lowercase() to IetfLang.Serbian.Latn,
+                IetfLang.Serbian.Latn.BA.code.lowercase() to IetfLang.Serbian.Latn.BA,
+                IetfLang.Serbian.Latn.ME.code.lowercase() to IetfLang.Serbian.Latn.ME,
+                IetfLang.Serbian.Latn.RS.code.lowercase() to IetfLang.Serbian.Latn.RS,
+                IetfLang.Serbian.Latn.XK.code.lowercase() to IetfLang.Serbian.Latn.XK,
+        IetfLang.Swati.code.lowercase() to IetfLang.Swati,
+        IetfLang.SothoSouthern.code.lowercase() to IetfLang.SothoSouthern,
+        IetfLang.Sundanese.code.lowercase() to IetfLang.Sundanese,
+            IetfLang.Sundanese.Latn.code.lowercase() to IetfLang.Sundanese.Latn,
+                IetfLang.Sundanese.Latn.ID.code.lowercase() to IetfLang.Sundanese.Latn.ID,
+        IetfLang.Swedish.code.lowercase() to IetfLang.Swedish,
+            IetfLang.Swedish.AX.code.lowercase() to IetfLang.Swedish.AX,
+            IetfLang.Swedish.FI.code.lowercase() to IetfLang.Swedish.FI,
+            IetfLang.Swedish.SE.code.lowercase() to IetfLang.Swedish.SE,
+        IetfLang.Swahili.code.lowercase() to IetfLang.Swahili,
+            IetfLang.Swahili.CD.code.lowercase() to IetfLang.Swahili.CD,
+            IetfLang.Swahili.KE.code.lowercase() to IetfLang.Swahili.KE,
+            IetfLang.Swahili.TZ.code.lowercase() to IetfLang.Swahili.TZ,
+            IetfLang.Swahili.UG.code.lowercase() to IetfLang.Swahili.UG,
+        IetfLang.Tamil.code.lowercase() to IetfLang.Tamil,
+            IetfLang.Tamil.IN.code.lowercase() to IetfLang.Tamil.IN,
+            IetfLang.Tamil.LK.code.lowercase() to IetfLang.Tamil.LK,
+            IetfLang.Tamil.MY.code.lowercase() to IetfLang.Tamil.MY,
+            IetfLang.Tamil.SG.code.lowercase() to IetfLang.Tamil.SG,
+        IetfLang.Telugu.code.lowercase() to IetfLang.Telugu,
+            IetfLang.Telugu.IN.code.lowercase() to IetfLang.Telugu.IN,
+        IetfLang.Tajik.code.lowercase() to IetfLang.Tajik,
+            IetfLang.Tajik.TJ.code.lowercase() to IetfLang.Tajik.TJ,
+        IetfLang.Thai.code.lowercase() to IetfLang.Thai,
+            IetfLang.Thai.TH.code.lowercase() to IetfLang.Thai.TH,
+        IetfLang.Tigrinya.code.lowercase() to IetfLang.Tigrinya,
+            IetfLang.Tigrinya.ER.code.lowercase() to IetfLang.Tigrinya.ER,
+            IetfLang.Tigrinya.ET.code.lowercase() to IetfLang.Tigrinya.ET,
+        IetfLang.Turkmen.code.lowercase() to IetfLang.Turkmen,
+            IetfLang.Turkmen.TM.code.lowercase() to IetfLang.Turkmen.TM,
+        IetfLang.Tagalog.code.lowercase() to IetfLang.Tagalog,
+        IetfLang.Tswana.code.lowercase() to IetfLang.Tswana,
+        IetfLang.TongaTongaIslands.code.lowercase() to IetfLang.TongaTongaIslands,
+            IetfLang.TongaTongaIslands.TO.code.lowercase() to IetfLang.TongaTongaIslands.TO,
+        IetfLang.Turkish.code.lowercase() to IetfLang.Turkish,
+            IetfLang.Turkish.CY.code.lowercase() to IetfLang.Turkish.CY,
+            IetfLang.Turkish.TR.code.lowercase() to IetfLang.Turkish.TR,
+        IetfLang.Tsonga.code.lowercase() to IetfLang.Tsonga,
+        IetfLang.Tatar.code.lowercase() to IetfLang.Tatar,
+            IetfLang.Tatar.RU.code.lowercase() to IetfLang.Tatar.RU,
+        IetfLang.Twi.code.lowercase() to IetfLang.Twi,
+        IetfLang.Tahitian.code.lowercase() to IetfLang.Tahitian,
+        IetfLang.UighurUyghur.code.lowercase() to IetfLang.UighurUyghur,
+            IetfLang.UighurUyghur.CN.code.lowercase() to IetfLang.UighurUyghur.CN,
+        IetfLang.Ukrainian.code.lowercase() to IetfLang.Ukrainian,
+            IetfLang.Ukrainian.UA.code.lowercase() to IetfLang.Ukrainian.UA,
+        IetfLang.Urdu.code.lowercase() to IetfLang.Urdu,
+            IetfLang.Urdu.IN.code.lowercase() to IetfLang.Urdu.IN,
+            IetfLang.Urdu.PK.code.lowercase() to IetfLang.Urdu.PK,
+        IetfLang.Uzbek.code.lowercase() to IetfLang.Uzbek,
+            IetfLang.Uzbek.Arab.code.lowercase() to IetfLang.Uzbek.Arab,
+                IetfLang.Uzbek.Arab.AF.code.lowercase() to IetfLang.Uzbek.Arab.AF,
+            IetfLang.Uzbek.Cyrl.code.lowercase() to IetfLang.Uzbek.Cyrl,
+                IetfLang.Uzbek.Cyrl.UZ.code.lowercase() to IetfLang.Uzbek.Cyrl.UZ,
+            IetfLang.Uzbek.Latn.code.lowercase() to IetfLang.Uzbek.Latn,
+                IetfLang.Uzbek.Latn.UZ.code.lowercase() to IetfLang.Uzbek.Latn.UZ,
+        IetfLang.Venda.code.lowercase() to IetfLang.Venda,
+        IetfLang.Vietnamese.code.lowercase() to IetfLang.Vietnamese,
+            IetfLang.Vietnamese.VN.code.lowercase() to IetfLang.Vietnamese.VN,
+        IetfLang.Volapuk.code.lowercase() to IetfLang.Volapuk,
+            IetfLang.Volapuk.L001.code.lowercase() to IetfLang.Volapuk.L001,
+        IetfLang.Walloon.code.lowercase() to IetfLang.Walloon,
+        IetfLang.Wolof.code.lowercase() to IetfLang.Wolof,
+            IetfLang.Wolof.SN.code.lowercase() to IetfLang.Wolof.SN,
+        IetfLang.Xhosa.code.lowercase() to IetfLang.Xhosa,
+            IetfLang.Xhosa.ZA.code.lowercase() to IetfLang.Xhosa.ZA,
+        IetfLang.Yiddish.code.lowercase() to IetfLang.Yiddish,
+            IetfLang.Yiddish.L001.code.lowercase() to IetfLang.Yiddish.L001,
+        IetfLang.Yoruba.code.lowercase() to IetfLang.Yoruba,
+            IetfLang.Yoruba.BJ.code.lowercase() to IetfLang.Yoruba.BJ,
+            IetfLang.Yoruba.NG.code.lowercase() to IetfLang.Yoruba.NG,
+        IetfLang.ZhuangChuang.code.lowercase() to IetfLang.ZhuangChuang,
+        IetfLang.Chinese.code.lowercase() to IetfLang.Chinese,
+            IetfLang.Chinese.Hans.code.lowercase() to IetfLang.Chinese.Hans,
+                IetfLang.Chinese.Hans.CN.code.lowercase() to IetfLang.Chinese.Hans.CN,
+                IetfLang.Chinese.Hans.HK.code.lowercase() to IetfLang.Chinese.Hans.HK,
+                IetfLang.Chinese.Hans.MO.code.lowercase() to IetfLang.Chinese.Hans.MO,
+                IetfLang.Chinese.Hans.SG.code.lowercase() to IetfLang.Chinese.Hans.SG,
+            IetfLang.Chinese.Hant.code.lowercase() to IetfLang.Chinese.Hant,
+                IetfLang.Chinese.Hant.HK.code.lowercase() to IetfLang.Chinese.Hant.HK,
+                IetfLang.Chinese.Hant.MO.code.lowercase() to IetfLang.Chinese.Hant.MO,
+                IetfLang.Chinese.Hant.TW.code.lowercase() to IetfLang.Chinese.Hant.TW,
+        IetfLang.Zulu.code.lowercase() to IetfLang.Zulu,
+            IetfLang.Zulu.ZA.code.lowercase() to IetfLang.Zulu.ZA
+    )
+}
+val knownLanguageCodes: List<IetfLang> by lazy {
+    knownLanguageCodesMap.values.toList()
+}
+
+fun String.asIetfLang(): IetfLang {
+    return knownLanguageCodesMap[this] ?: IetfLang.UnknownIetfLang(this)
+}
+fun String.asIetfLangCaseInsensitive(): IetfLang {
+    return knownLanguageCodesMapByLowerCasedKeys[this.lowercase()] ?: IetfLang.UnknownIetfLang(this)
+}
+@Deprecated("Renamed", ReplaceWith("this.asIetfLang()", "dev.inmo.micro_utils.language_codes.asIetfLang"))
+fun String.asIetfLanguageCode(): IetfLang = asIetfLang()
+
+fun convertToIetfLang(code: String) = code.asIetfLang()
+fun convertToIetfLangCaseInsensitive(code: String) = code.asIetfLangCaseInsensitive()
+@Deprecated("Renamed", ReplaceWith("convertToIetfLang(code)", "dev.inmo.micro_utils.language_codes.convertToIetfLang"))
+fun convertToIetfLanguageCode(code: String) = convertToIetfLang(code)
+
+fun IetfLang(code: String) = code.asIetfLang()
+fun IetfLangCaseInsensitive(code: String) = code.asIetfLangCaseInsensitive()
+@Deprecated("Renamed", ReplaceWith("IetfLang(code)", "dev.inmo.micro_utils.language_codes.IetfLang"))
+fun IetfLanguageCode(code: String) = IetfLang(code)
diff --git a/language_codes/src/commonTest/kotlin/UnknownIetfLanguageTests.kt b/language_codes/src/commonTest/kotlin/UnknownIetfLanguageTests.kt
new file mode 100644
index 00000000000..85ee5ea265f
--- /dev/null
+++ b/language_codes/src/commonTest/kotlin/UnknownIetfLanguageTests.kt
@@ -0,0 +1,16 @@
+package dev.inmo.micro_utils.language_codes
+
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+class UnknownIetfLanguageTests {
+    @Test
+    fun commonTestOfParentCode() {
+        knownLanguageCodes.forEach {
+            val language = IetfLang.UnknownIetfLang(it.code)
+            assertEquals(it.code, language.code)
+            assertEquals(it.withoutDialect, language.withoutDialect)
+            assertEquals(it.parentLang ?.code, language.parentLang ?.code)
+        }
+    }
+}
\ No newline at end of file
diff --git a/language_codes/src/jvmMain/kotlin/Locale.kt b/language_codes/src/jvmMain/kotlin/Locale.kt
index 5f361402f2c..618130b2b79 100644
--- a/language_codes/src/jvmMain/kotlin/Locale.kt
+++ b/language_codes/src/jvmMain/kotlin/Locale.kt
@@ -2,7 +2,9 @@ package dev.inmo.micro_utils.language_codes
 
 import java.util.Locale
 
-fun IetfLanguageCode.toJavaLocale(): Locale = Locale.forLanguageTag(code)
-fun IetfLanguageCode?.toJavaLocaleOrDefault(): Locale = this ?.toJavaLocale() ?: Locale.getDefault()
+fun IetfLang.toJavaLocale(): Locale = Locale.forLanguageTag(code)
+fun IetfLang?.toJavaLocaleOrDefault(): Locale = this?.toJavaLocale() ?: Locale.getDefault()
 
-fun Locale.toIetfLanguageCode(): IetfLanguageCode = IetfLanguageCode(toLanguageTag())
+fun Locale.toIetfLang(): IetfLang = IetfLang(toLanguageTag())
+@Deprecated("Renamed", ReplaceWith("this.toIetfLang()", "dev.inmo.micro_utils.language_codes.toIetfLang"))
+fun Locale.toIetfLanguageCode(): IetfLang = toIetfLang()
diff --git a/resources/src/androidMain/kotlin/StringResourceContextGetter.kt b/resources/src/androidMain/kotlin/StringResourceContextGetter.kt
index 8ce918ecf94..d049df0e28c 100644
--- a/resources/src/androidMain/kotlin/StringResourceContextGetter.kt
+++ b/resources/src/androidMain/kotlin/StringResourceContextGetter.kt
@@ -4,7 +4,6 @@ import android.content.Context
 import android.content.res.Configuration
 import android.content.res.Resources
 import android.os.Build
-import dev.inmo.micro_utils.language_codes.toIetfLanguageCode
 
 fun StringResource.translation(configuration: Configuration): String = translation(
     if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
diff --git a/resources/src/commonMain/kotlin/StringResource.kt b/resources/src/commonMain/kotlin/StringResource.kt
index c7a332b20de..4ccb0fb8fcc 100644
--- a/resources/src/commonMain/kotlin/StringResource.kt
+++ b/resources/src/commonMain/kotlin/StringResource.kt
@@ -1,27 +1,51 @@
 package dev.inmo.micro_utils.strings
 
-import dev.inmo.micro_utils.language_codes.IetfLanguageCode
+import dev.inmo.micro_utils.language_codes.IetfLang
 
+/**
+ * Use this class as a type of your strings object fields. For example:
+ *
+ * ```kotlin
+ * object Strings {
+ *     val someResource: StringResource
+ * }
+ * ```
+ *
+ * Use [buildStringResource] for useful creation of string resource
+ *
+ * @see buildStringResource
+ */
 class StringResource(
     val default: String,
-    val map: Map<IetfLanguageCode, Lazy<String>>
+    val map: Map<IetfLang, Lazy<String>>
 ) {
     class Builder(
         var default: String
     ) {
-        private val map = mutableMapOf<IetfLanguageCode, Lazy<String>>()
+        private val map = mutableMapOf<IetfLang, Lazy<String>>()
 
-        infix fun IetfLanguageCode.variant(value: Lazy<String>) {
+        infix fun IetfLang.variant(value: Lazy<String>) {
             map[this] = value
         }
-        infix fun IetfLanguageCode.variant(value: String) = this variant lazyOf(value)
-        infix fun String.variant(value: Lazy<String>) = IetfLanguageCode(this) variant value
+
+        infix fun IetfLang.variant(value: () -> String) = this variant lazy(value)
+        infix fun IetfLang.variant(value: String) = this variant lazyOf(value)
+
+
+        infix fun String.variant(value: Lazy<String>) = IetfLang(this) variant value
+        infix fun String.variant(value: () -> String) = IetfLang(this) variant lazy(value)
         infix fun String.variant(value: String) = this variant lazyOf(value)
 
         fun build() = StringResource(default, map.toMap())
     }
 
-    fun translation(languageCode: IetfLanguageCode): String = (map[languageCode] ?: map[IetfLanguageCode(languageCode.withoutDialect)]) ?.value ?: default
+    fun translation(languageCode: IetfLang): String {
+        map[languageCode] ?.let { return it.value }
+
+        return languageCode.parentLang ?.let {
+            map[it] ?.value
+        } ?: default
+    }
 }
 
 inline fun buildStringResource(
diff --git a/resources/src/jvmMain/kotlin/StringResourceLocaleGetter.kt b/resources/src/jvmMain/kotlin/StringResourceLocaleGetter.kt
index 486ca85403b..03a121ee8ec 100644
--- a/resources/src/jvmMain/kotlin/StringResourceLocaleGetter.kt
+++ b/resources/src/jvmMain/kotlin/StringResourceLocaleGetter.kt
@@ -1,10 +1,10 @@
 package dev.inmo.micro_utils.strings
 
-import dev.inmo.micro_utils.language_codes.toIetfLanguageCode
+import dev.inmo.micro_utils.language_codes.toIetfLang
 import java.util.Locale
 
 fun StringResource.translation(locale: Locale = Locale.getDefault()): String {
-    return translation(locale.toIetfLanguageCode())
+    return translation(locale.toIetfLang())
 }
 
 fun Locale.translation(resource: StringResource): String = resource.translation(this)
\ No newline at end of file