Merge pull request #30 from InsanusMokrassar/0.12.6

0.12.6

CHANGELOG.md

@@ -67,6 +67,16 @@ of `]` in links titles
 * Now `MediaGroupContent` is `MediaContent`
 * All `MedaContent` now have no generics and have basic `TelegramMediaFile` media field
 
+### 0.12.6 Libraries updates
+
+* `kotlin` version `1.3.21` -> `1.3.30`
+* `kotlin coroutines` version `1.1.1` -> `1.2.0`
+* `kotlin serialization` version `0.10.0` -> `0.11.0`
+* `ktor` version `1.1.2` -> `1.1.3`
+* Added `DeleteWebhook` request
+* All default `startGettingOfUpdates` (in fact - method `start` of `UpdatesPoller`) are suspend and
+will try to delete webhook
+
 ## 0.11.0
 
 * Kotlin `1.3.11` -> `1.3.21`

README.md

@@ -12,7 +12,39 @@ solves or unuseful moments are describing by official [Telegram Bot API](https:/
 
 This version compatible with [July 2018 update of TelegramBotAPI](https://core.telegram.org/bots/api#july-26-2018). That means that
 most part of API has been implemented (according to last [August 2018 update of TelegramBotAPI](https://core.telegram.org/bots/api#august-27-2018))
-except the Passport API which will be included as soon as possible.
+except the Passport API which will be included as soon as possible. All included and supported API
+can be found on [wiki](https://github.com/InsanusMokrassar/TelegramBotAPI/wiki/Included-API).
+
+## How to implement library?
+
+Common ways to implement this library are presented here. In some cases it will require additional steps
+like inserting of additional libraries (like `kotlin stdlib`). In the examples will be used variable
+`telegrambotapi.version`, which must be set up by developer. Available versions are presented on
+[bintray](https://bintray.com/insanusmokrassar/StandardRepository/TelegramBotAPI), next version is last published:
+
+[![Download](https://api.bintray.com/packages/insanusmokrassar/StandardRepository/TelegramBotAPI/images/download.svg) ](https://bintray.com/insanusmokrassar/StandardRepository/TelegramBotAPI/_latestVersion)
+
+### Maven
+
+```xml
+<dependency>
+  <groupId>com.github.insanusmokrassar</groupId>
+  <artifactId>TelegramBotAPI</artifactId>
+  <version>${telegrambotapi.version}</version>
+</dependency>
+```
+
+### Gradle
+
+```groovy
+implementation "com.github.insanusmokrassar:TelegramBotAPI:${telegrambotapi.version}"
+```
+
+### Gradle (old)
+
+```groovy
+compile "com.github.insanusmokrassar:TelegramBotAPI:${telegrambotapi.version}"
+```
 
 ## How to work with library?
 

build.gradle

@@ -1,4 +1,4 @@
-project.version = "0.12.5"
+project.version = "0.12.6"
 project.group = "com.github.insanusmokrassar"
 
 buildscript {

gradle.properties

@@ -1,9 +1,9 @@
 kotlin.code.style=official
-kotlin_version=1.3.21
+kotlin_version=1.3.30
-kotlin_coroutines_version=1.1.1
+kotlin_coroutines_version=1.2.0
-kotlin_serialisation_runtime_version=0.10.0
+kotlin_serialisation_runtime_version=0.11.0
 joda_time_version=2.10.1
-ktor_version=1.1.2
+ktor_version=1.1.3
 
 gradle_bintray_plugin_version=1.8.4
 

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/settings/ProxySettings.kt

@@ -1,16 +1,11 @@
 package com.github.insanusmokrassar.TelegramBotAPI.bot.settings
 
-import kotlinx.serialization.Optional
 import kotlinx.serialization.Serializable
 
 @Serializable
 data class ProxySettings(
-    @Optional
     val host: String = "localhost",
-    @Optional
     val port: Int = 1080,
-    @Optional
     val username: String? = null,
-    @Optional
     val password: String? = null
 )

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/settings/limiters/PowLimiter.kt

@@ -2,7 +2,8 @@ package com.github.insanusmokrassar.TelegramBotAPI.bot.settings.limiters
 
 import kotlinx.coroutines.*
 import kotlinx.coroutines.channels.Channel
-import kotlinx.serialization.*
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.Transient
 import java.util.concurrent.Executors
 import kotlin.coroutines.*
 
@@ -14,13 +15,9 @@ private object CompleteRequest : RequestEvent()
 
 @Serializable
 data class PowLimiter(
-    @Optional
     private val minAwaitTime: Long = 0L,
-    @Optional
     private val maxAwaitTime: Long = 10000L,
-    @Optional
     private val powValue: Double = 4.0,
-    @Optional
     private val powK: Double = 0.0016
 ) : RequestLimiter {
     @Transient

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/ForwardMessage.kt

@@ -14,7 +14,6 @@ data class ForwardMessage(
     @SerialName(messageIdField)
     val messageId: MessageIdentifier,
     @SerialName(disableNotificationField)
-    @Optional
     val disableNotification: Boolean = false
 ): SimpleRequest<RawMessage> {
     override fun method(): String = "forwardMessage"

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/GetUpdates.kt

@@ -4,7 +4,8 @@ import com.github.insanusmokrassar.TelegramBotAPI.requests.abstracts.SimpleReque
 import com.github.insanusmokrassar.TelegramBotAPI.types.ALL_UPDATES_LIST
 import com.github.insanusmokrassar.TelegramBotAPI.types.UpdateIdentifier
 import com.github.insanusmokrassar.TelegramBotAPI.types.update.RawUpdate
-import kotlinx.serialization.*
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.Serializable
 import kotlinx.serialization.internal.ArrayListSerializer
 
 @Deprecated("Replaced to other package", ReplaceWith("UPDATE_MESSAGE", "com.github.insanusmokrassar.TelegramBotAPI.types.UPDATE_MESSAGE"))
@@ -28,13 +29,9 @@ const val UPDATE_PRE_CHECKOUT_QUERY = com.github.insanusmokrassar.TelegramBotAPI
 
 @Serializable
 data class GetUpdates(
-    @Optional
     val offset: UpdateIdentifier? = null,// set `last update id + 1` to receive next part of updates
-    @Optional
     val limit: Int? = null,
-    @Optional
     val timeout: Int? = null,
-    @Optional
     val allowed_updates: List<String>? = ALL_UPDATES_LIST
 ): SimpleRequest<List<RawUpdate>> {
     override fun method(): String = "getUpdates"

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/abstracts/InputFile.kt

@@ -2,8 +2,10 @@ package com.github.insanusmokrassar.TelegramBotAPI.requests.abstracts
 
 import com.github.insanusmokrassar.TelegramBotAPI.utils.StorageFile
 import kotlinx.serialization.*
+import kotlinx.serialization.internal.StringDescriptor
 import java.io.File
 
+@Serializable(InputFileSerializer::class)
 sealed class InputFile {
     abstract val fileId: String
 }
@@ -12,16 +14,17 @@ sealed class InputFile {
 /**
  * Contains file id or file url
  */
-@Serializable(FileIdSerializer::class)
+@Serializable(InputFileSerializer::class)
 data class FileId(
     override val fileId: String
 ) : InputFile()
 
 fun String.toInputFile(): InputFile = FileId(this)
 
-@Serializer(FileId::class)
+@Serializer(InputFile::class)
-object FileIdSerializer : KSerializer<FileId> {
+object InputFileSerializer : KSerializer<InputFile> {
-    override fun serialize(encoder: Encoder, obj: FileId) = encoder.encodeString(obj.fileId)
+    override val descriptor: SerialDescriptor = StringDescriptor.withName(FileId::class.toString())
+    override fun serialize(encoder: Encoder, obj: InputFile) = encoder.encodeString(obj.fileId)
     override fun deserialize(decoder: Decoder): FileId = FileId(decoder.decodeString())
 }
 
@@ -29,7 +32,7 @@ object FileIdSerializer : KSerializer<FileId> {
 /**
  * Contains info about file for sending
  */
-@Serializable
+@Serializable(InputFileSerializer::class)
 data class MultipartFile (
     val file: StorageFile,
     val mimeType: String = file.contentType,

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/answers/AnswerCallbackQuery.kt

@@ -11,16 +11,12 @@ data class AnswerCallbackQuery(
     @SerialName(callbackQueryIdField)
     val callbackQueryId: CallbackQueryIdentifier,
     @SerialName(textField)
-    @Optional
     val text: String? = null,
     @SerialName(showAlertField)
-    @Optional
     val showAlert: Boolean? = null,
     @SerialName(urlField)
-    @Optional
     val url: String? = null,
     @SerialName(cachedTimeField)
-    @Optional
     val cachedTimeSeconds: Int? = null
 ) : SimpleRequest<Boolean> {
     override fun method(): String = "answerCallbackQuery"

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/answers/AnswerInlineQuery.kt

@@ -17,19 +17,14 @@ data class AnswerInlineQuery(
     @SerialName(resultsField)
     val results: List<InlineQueryResult> = emptyList(),
     @SerialName(cachedTimeField)
-    @Optional
     val cachedTime: Int? = null,
     @SerialName(isPersonalField)
-    @Optional
     val isPersonal: Boolean? = null,
     @SerialName(nextOffsetField)
-    @Optional
     val nextOffset: String? = null,
     @SerialName(switchPmTextField)
-    @Optional
     val switchPmText: String? = null,
     @SerialName(switchPmParameterField)
-    @Optional
     val switchPmParameter: String? = null
 ): SimpleRequest<Boolean> {
     override fun method(): String = "answerInlineQuery"

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/chat/members/KickChatMember.kt

@@ -13,7 +13,6 @@ data class KickChatMember(
     @SerialName(userIdField)
     override val userId: UserId,
     @SerialName(untilDateField)
-    @Optional
     override val untilDate: TelegramDate? = null
 ) : ChatMemberRequest<Boolean>, UntilDate {
     override fun method(): String = "kickChatMember"

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/chat/members/PromoteChatMember.kt

@@ -13,31 +13,22 @@ data class PromoteChatMember(
     @SerialName(userIdField)
     override val userId: UserId,
     @SerialName(untilDateField)
-    @Optional
     override val untilDate: TelegramDate? = null,
     @SerialName(canChangeInfoField)
-    @Optional
     private val canChangeInfo: Boolean? = null,
     @SerialName(canPostMessagesField)
-    @Optional
     private val canPostMessages: Boolean? = null,
     @SerialName(canEditMessagesField)
-    @Optional
     private val canEditMessages: Boolean? = null,
     @SerialName(canDeleteMessagesField)
-    @Optional
     private val canDeleteMessages: Boolean? = null,
     @SerialName(canInviteUsersField)
-    @Optional
     private val canInviteUsers: Boolean? = null,
     @SerialName(canRestrictMembersField)
-    @Optional
     private val canRestrictMembers: Boolean? = null,
     @SerialName(canPinMessagesField)
-    @Optional
     private val canPinMessages: Boolean? = null,
     @SerialName(canPromoteMembersField)
-    @Optional
     private val canPromoteMembers: Boolean? = null
 ) : ChatMemberRequest<Boolean>, UntilDate {
     override fun method(): String = "promoteChatMember"

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/chat/members/RestrictChatMember.kt

@@ -13,19 +13,14 @@ data class RestrictChatMember(
     @SerialName(userIdField)
     override val userId: UserId,
     @SerialName(untilDateField)
-    @Optional
     override val untilDate: TelegramDate? = null,
     @SerialName(canSendMessagesField)
-    @Optional
     private val canSendMessages: Boolean? = null,
     @SerialName(canSendMediaMessagesField)
-    @Optional
     private val canSendMediaMessages: Boolean? = null,
     @SerialName(canSendOtherMessagesField)
-    @Optional
     private val canSendOtherMessages: Boolean? = null,
     @SerialName(canAddWebPagePreviewsField)
-    @Optional
     private val canAddWebPagePreviews: Boolean? = null
 ) : ChatMemberRequest<Boolean>, UntilDate {
     override fun method(): String = "restrictChatMember"

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/chat/modify/PinChatMessage.kt

@@ -14,7 +14,6 @@ data class PinChatMessage (
     @SerialName(messageIdField)
     val messageId: MessageIdentifier,
     @SerialName(disableNotificationField)
-    @Optional
     override val disableNotification: Boolean = false
 ): ChatRequest, SimpleRequest<Boolean>, DisableNotification {
     override fun method(): String = "pinChatMessage"

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/chat/modify/SetChatPhoto.kt

@@ -13,11 +13,10 @@ import kotlinx.serialization.json.JsonObject
 data class SetChatPhoto (
     @SerialName(chatIdField)
     override val chatId: ChatIdentifier,
-    @Transient
     val photo: MultipartFile = throw IllegalArgumentException("Unfortunately, this type of objects can't be parsed automatically")
 ): ChatRequest, MultipartRequest<Boolean> {
     override fun method(): String = "setChatPhoto"
     override fun resultSerializer(): KSerializer<Boolean> = BooleanSerializer
     override val mediaMap: Map<String, MultipartFile> = mapOf(photoField to photo)
-    override val paramsJson: JsonObject = this.toJson(serializer())
+    override val paramsJson: JsonObject = toJson(serializer())
 }

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/edit/LiveLocation/EditChatMessageLiveLocation.kt

@@ -17,7 +17,6 @@ data class EditChatMessageLiveLocation(
     @SerialName(longitudeField)
     override val longitude: Double,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: InlineKeyboardMarkup? = null
 ) : EditChatMessage, EditReplyMessage, EditLocationMessage {
     override fun method(): String = "editMessageLiveLocation"

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/edit/LiveLocation/EditInlineMessageLiveLocation.kt

@@ -3,7 +3,8 @@ package com.github.insanusmokrassar.TelegramBotAPI.requests.edit.LiveLocation
 import com.github.insanusmokrassar.TelegramBotAPI.requests.edit.abstracts.*
 import com.github.insanusmokrassar.TelegramBotAPI.types.*
 import com.github.insanusmokrassar.TelegramBotAPI.types.buttons.InlineKeyboardMarkup
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class EditInlineMessageLiveLocation(
@@ -14,7 +15,6 @@ data class EditInlineMessageLiveLocation(
     @SerialName(longitudeField)
     override val longitude: Double,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: InlineKeyboardMarkup? = null
 ) : EditInlineMessage, EditReplyMessage, EditLocationMessage {
     override fun method(): String = "editMessageLiveLocation"

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/edit/LiveLocation/StopChatMessageLiveLocation.kt

@@ -14,7 +14,6 @@ data class StopChatMessageLiveLocation(
     @SerialName(messageIdField)
     override val messageId: MessageIdentifier,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: InlineKeyboardMarkup? = null
 ) : EditChatMessage, EditReplyMessage {
     override fun method(): String = "stopMessageLiveLocation"

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/edit/LiveLocation/StopInlineMessageLiveLocation.kt

@@ -4,14 +4,14 @@ import com.github.insanusmokrassar.TelegramBotAPI.requests.edit.abstracts.EditIn
 import com.github.insanusmokrassar.TelegramBotAPI.requests.edit.abstracts.EditReplyMessage
 import com.github.insanusmokrassar.TelegramBotAPI.types.*
 import com.github.insanusmokrassar.TelegramBotAPI.types.buttons.InlineKeyboardMarkup
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class StopInlineMessageLiveLocation(
     @SerialName(inlineMessageIdField)
     override val inlineMessageId: InlineMessageIdentifier,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: InlineKeyboardMarkup? = null
 ) : EditInlineMessage, EditReplyMessage {
     override fun method(): String = "stopMessageLiveLocation"

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/edit/ReplyMarkup/EditChatMessageReplyMarkup.kt

@@ -16,7 +16,6 @@ data class EditChatMessageReplyMarkup(
     @SerialName(messageIdField)
     override val messageId: MessageIdentifier,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: InlineKeyboardMarkup? = null
 ) : EditChatMessage, EditReplyMessage {
 

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/edit/ReplyMarkup/EditInlineMessageReplyMarkup.kt

@@ -4,14 +4,14 @@ import com.github.insanusmokrassar.TelegramBotAPI.requests.edit.abstracts.EditIn
 import com.github.insanusmokrassar.TelegramBotAPI.requests.edit.abstracts.EditReplyMessage
 import com.github.insanusmokrassar.TelegramBotAPI.types.*
 import com.github.insanusmokrassar.TelegramBotAPI.types.buttons.InlineKeyboardMarkup
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class EditInlineMessageReplyMarkup(
     @SerialName(inlineMessageIdField)
     override val inlineMessageId: InlineMessageIdentifier,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: InlineKeyboardMarkup? = null
 ) : EditInlineMessage, EditReplyMessage {
     override fun method(): String = editMessageReplyMarkupMethod

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/edit/caption/EditChatMessageCaption.kt

@@ -19,10 +19,8 @@ data class EditChatMessageCaption(
     @SerialName(captionField)
     override val text: String,
     @SerialName(parseModeField)
-    @Optional
     override val parseMode: ParseMode? = null,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: InlineKeyboardMarkup? = null
 ) : EditChatMessage, EditTextChatMessage, EditReplyMessage {
 

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/edit/caption/EditInlineMessageCaption.kt

@@ -5,7 +5,8 @@ import com.github.insanusmokrassar.TelegramBotAPI.types.*
 import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.ParseMode
 import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.parseModeField
 import com.github.insanusmokrassar.TelegramBotAPI.types.buttons.InlineKeyboardMarkup
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class EditInlineMessageCaption(
@@ -14,10 +15,8 @@ data class EditInlineMessageCaption(
     @SerialName(captionField)
     override val text: String,
     @SerialName(parseModeField)
-    @Optional
     override val parseMode: ParseMode? = null,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: InlineKeyboardMarkup? = null
 ) : EditInlineMessage, EditTextChatMessage, EditReplyMessage {
     override fun method(): String = editMessageCaptionMethod

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/edit/media/EditChatMessageMedia.kt

@@ -19,7 +19,6 @@ data class EditChatMessageMedia(
     @SerialName(mediaField)
     override val media: InputMedia,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: InlineKeyboardMarkup? = null
 ) : EditChatMessage, EditReplyMessage, EditMediaMessage {
 

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/edit/media/EditInlineMessageMedia.kt

@@ -5,7 +5,8 @@ import com.github.insanusmokrassar.TelegramBotAPI.requests.edit.abstracts.*
 import com.github.insanusmokrassar.TelegramBotAPI.types.*
 import com.github.insanusmokrassar.TelegramBotAPI.types.InputMedia.InputMedia
 import com.github.insanusmokrassar.TelegramBotAPI.types.buttons.InlineKeyboardMarkup
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class EditInlineMessageMedia(
@@ -14,7 +15,6 @@ data class EditInlineMessageMedia(
     @SerialName(mediaField)
     override val media: InputMedia,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: InlineKeyboardMarkup? = null
 ) : EditInlineMessage, EditReplyMessage, EditMediaMessage {
 

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/edit/text/EditChatMessageText.kt

@@ -19,13 +19,10 @@ data class EditChatMessageText(
     @SerialName(textField)
     override val text: String,
     @SerialName(parseModeField)
-    @Optional
     override val parseMode: ParseMode? = null,
     @SerialName(disableWebPagePreviewField)
-    @Optional
     override val disableWebPagePreview: Boolean? = null,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: InlineKeyboardMarkup? = null
 ) : EditChatMessage, EditTextChatMessage, EditReplyMessage, EditDisableWebPagePreviewMessage {
 

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/edit/text/EditInlineMessageText.kt

@@ -6,7 +6,8 @@ import com.github.insanusmokrassar.TelegramBotAPI.types.*
 import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.ParseMode
 import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.parseModeField
 import com.github.insanusmokrassar.TelegramBotAPI.types.buttons.InlineKeyboardMarkup
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class EditInlineMessageText(
@@ -15,13 +16,10 @@ data class EditInlineMessageText(
     @SerialName(textField)
     override val text: String,
     @SerialName(parseModeField)
-    @Optional
     override val parseMode: ParseMode? = null,
     @SerialName(disableWebPagePreviewField)
-    @Optional
     override val disableWebPagePreview: Boolean? = null,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: InlineKeyboardMarkup? = null
 ) : EditInlineMessage, EditTextChatMessage, EditReplyMessage, EditDisableWebPagePreviewMessage {
     override fun method(): String = editMessageMediaMethod

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/games/SetGameScoreByChatId.kt

@@ -3,7 +3,8 @@ package com.github.insanusmokrassar.TelegramBotAPI.requests.games
 import com.github.insanusmokrassar.TelegramBotAPI.CommonAbstracts.types.ByMessageId
 import com.github.insanusmokrassar.TelegramBotAPI.requests.games.abstracts.SetGameScore
 import com.github.insanusmokrassar.TelegramBotAPI.types.*
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class SetGameScoreByChatId (
@@ -16,9 +17,7 @@ data class SetGameScoreByChatId (
     @SerialName(messageIdField)
     override val messageId: MessageIdentifier,
     @SerialName(forceField)
-    @Optional
     override val force: Boolean = false,
     @SerialName(disableEditMessageField)
-    @Optional
     override val disableEditMessage: Boolean = false
 ) : SetGameScore, ByMessageId

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/games/SetGameScoreByInlineMessageId.kt

@@ -3,7 +3,8 @@ package com.github.insanusmokrassar.TelegramBotAPI.requests.games
 import com.github.insanusmokrassar.TelegramBotAPI.CommonAbstracts.types.ByInlineMessageId
 import com.github.insanusmokrassar.TelegramBotAPI.requests.games.abstracts.SetGameScore
 import com.github.insanusmokrassar.TelegramBotAPI.types.*
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class SetGameScoreByInlineMessageId (
@@ -14,9 +15,7 @@ data class SetGameScoreByInlineMessageId (
     @SerialName(inlineMessageIdField)
     override val inlineMessageId: InlineMessageIdentifier,
     @SerialName(forceField)
-    @Optional
     override val force: Boolean = false,
     @SerialName(disableEditMessageField)
-    @Optional
     override val disableEditMessage: Boolean = false
 ) : SetGameScore, ByInlineMessageId

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/send/SendContact.kt

@@ -16,16 +16,12 @@ data class SendContact(
     @SerialName(firstNameField)
     val firstName: String,
     @SerialName(lastNameField)
-    @Optional
     val lastName: String? = null,
     @SerialName(disableNotificationField)
-    @Optional
     override val disableNotification: Boolean = false,
     @SerialName(replyToMessageIdField)
-    @Optional
     override val replyToMessageId: MessageIdentifier? = null,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: KeyboardMarkup? = null
 ) : SendMessageRequest<RawMessage>,
     ReplyingMarkupSendMessageRequest<RawMessage>

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/send/SendLocation.kt

@@ -16,16 +16,12 @@ data class SendLocation(
     @SerialName(longitudeField)
     override val longitude: Double,
     @SerialName(livePeriodField)
-    @Optional
     val livePeriod: Long? = null,
     @SerialName(disableNotificationField)
-    @Optional
     override val disableNotification: Boolean = false,
     @SerialName(replyToMessageIdField)
-    @Optional
     override val replyToMessageId: MessageIdentifier? = null,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: KeyboardMarkup? = null
 ) : SendMessageRequest<RawMessage>,
     ReplyingMarkupSendMessageRequest<RawMessage>,

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/send/SendMessage.kt

@@ -16,19 +16,14 @@ data class SendMessage(
     @SerialName(textField)
     override val text: String,
     @SerialName(parseModeField)
-    @Optional
     override val parseMode: ParseMode? = null,
     @SerialName(disableWebPagePreviewField)
-    @Optional
     override val disableWebPagePreview: Boolean? = null,
     @SerialName(disableNotificationField)
-    @Optional
     override val disableNotification: Boolean = false,
     @SerialName(replyToMessageIdField)
-    @Optional
     override val replyToMessageId: MessageIdentifier? = null,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: KeyboardMarkup? = null
 ) : SendMessageRequest<RawMessage>,
     ReplyingMarkupSendMessageRequest<RawMessage>,

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/send/SendVenue.kt

@@ -19,16 +19,12 @@ data class SendVenue(
     @SerialName(addressField)
     val address: String,
     @SerialName(foursquareIdField)
-    @Optional
     val foursquareId: String? = null,
     @SerialName(disableNotificationField)
-    @Optional
     override val disableNotification: Boolean = false,
     @SerialName(replyToMessageIdField)
-    @Optional
     override val replyToMessageId: MessageIdentifier? = null,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: KeyboardMarkup? = null
 ) : SendMessageRequest<RawMessage>,
     PositionedSendMessageRequest<RawMessage>,

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/send/games/SendGame.kt

@@ -14,13 +14,10 @@ data class SendGame (
     @SerialName(gameShortNameField)
     val gameShortName: String,
     @SerialName(disableNotificationField)
-    @Optional
     override val disableNotification: Boolean = false,
     @SerialName(replyToMessageIdField)
-    @Optional
     override val replyToMessageId: MessageIdentifier? = null,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: KeyboardMarkup? = null
 ) : SendMessageRequest<RawMessage>,
     ReplyMarkup {

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/send/media/SendAnimation.kt

@@ -58,34 +58,24 @@ data class SendAnimationData internal constructor(
     @SerialName(chatIdField)
     override val chatId: ChatIdentifier,
     @SerialName(animationField)
-    @Optional
     val animation: String? = null,
     @SerialName(thumbField)
-    @Optional
     override val thumb: String? = null,
     @SerialName(captionField)
-    @Optional
     override val text: String? = null,
     @SerialName(parseModeField)
-    @Optional
     override val parseMode: ParseMode? = null,
     @SerialName(durationField)
-    @Optional
     override val duration: Long? = null,
     @SerialName(widthField)
-    @Optional
     override val width: Int? = null,
     @SerialName(heightField)
-    @Optional
     override val height: Int? = null,
     @SerialName(disableNotificationField)
-    @Optional
     override val disableNotification: Boolean = false,
     @SerialName(replyToMessageIdField)
-    @Optional
     override val replyToMessageId: MessageIdentifier? = null,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: KeyboardMarkup? = null
 ) : DataRequest<RawMessage>,
     SendMessageRequest<RawMessage>,

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/send/media/SendAudio.kt

@@ -59,34 +59,24 @@ data class SendAudioData internal constructor(
     @SerialName(chatIdField)
     override val chatId: ChatIdentifier,
     @SerialName(audioField)
-    @Optional
     val audio: String? = null,
     @SerialName(thumbField)
-    @Optional
     override val thumb: String? = null,
     @SerialName(captionField)
-    @Optional
     override val text: String? = null,
     @SerialName(parseModeField)
-    @Optional
     override val parseMode: ParseMode? = null,
     @SerialName(durationField)
-    @Optional
     override val duration: Long? = null,
     @SerialName(performerField)
-    @Optional
     override val performer: String? = null,
     @SerialName(titleField)
-    @Optional
     override val title: String? = null,
     @SerialName(disableNotificationField)
-    @Optional
     override val disableNotification: Boolean = false,
     @SerialName(replyToMessageIdField)
-    @Optional
     override val replyToMessageId: MessageIdentifier? = null,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: KeyboardMarkup? = null
 ) : DataRequest<RawMessage>,
     SendMessageRequest<RawMessage>,

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/send/media/SendDocument.kt

@@ -52,25 +52,18 @@ data class SendDocumentData internal constructor(
     @SerialName(chatIdField)
     override val chatId: ChatIdentifier,
     @SerialName(documentField)
-    @Optional
     val document: String? = null,
     @SerialName(thumbField)
-    @Optional
     override val thumb: String? = null,
     @SerialName(captionField)
-    @Optional
     override val text: String? = null,
     @SerialName(parseModeField)
-    @Optional
     override val parseMode: ParseMode? = null,
     @SerialName(disableNotificationField)
-    @Optional
     override val disableNotification: Boolean = false,
     @SerialName(replyToMessageIdField)
-    @Optional
     override val replyToMessageId: MessageIdentifier? = null,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: KeyboardMarkup? = null
 ) : DataRequest<RawMessage>,
     SendMessageRequest<RawMessage>,

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/send/media/SendMediaGroup.kt

@@ -61,10 +61,8 @@ data class SendMediaGroupData internal constructor(
     @Transient
     val media: List<MediaGroupMemberInputMedia> = emptyList(),
     @SerialName(disableNotificationField)
-    @Optional
     override val disableNotification: Boolean = false,
     @SerialName(replyToMessageIdField)
-    @Optional
     override val replyToMessageId: MessageIdentifier? = null
 ) : DataRequest<List<RawMessage>>,
     SendMessageRequest<List<RawMessage>>

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/send/media/SendPhoto.kt

@@ -41,22 +41,16 @@ data class SendPhotoData internal constructor(
     @SerialName(chatIdField)
     override val chatId: ChatIdentifier,
     @SerialName(photoField)
-    @Optional
     val photo: String? = null,
     @SerialName(captionField)
-    @Optional
     override val text: String? = null,
     @SerialName(parseModeField)
-    @Optional
     override val parseMode: ParseMode? = null,
     @SerialName(disableNotificationField)
-    @Optional
     override val disableNotification: Boolean = false,
     @SerialName(replyToMessageIdField)
-    @Optional
     override val replyToMessageId: MessageIdentifier? = null,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: KeyboardMarkup? = null
 ) : DataRequest<RawMessage>,
     SendMessageRequest<RawMessage>,

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/send/media/SendSticker.kt

@@ -34,16 +34,12 @@ data class SendStickerByFileId internal constructor(
     @SerialName(chatIdField)
     override val chatId: ChatIdentifier,
     @SerialName(stickerField)
-    @Optional
     val sticker: FileId? = null,
     @SerialName(disableNotificationField)
-    @Optional
     override val disableNotification: Boolean = false,
     @SerialName(replyToMessageIdField)
-    @Optional
     override val replyToMessageId: MessageIdentifier? = null,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: KeyboardMarkup? = null
 ) : SendMessageRequest<RawMessage>, ReplyingMarkupSendMessageRequest<RawMessage> {
     override fun method(): String = "sendSticker"

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/send/media/SendVideo.kt

@@ -60,37 +60,26 @@ data class SendVideoData internal constructor(
     @SerialName(chatIdField)
     override val chatId: ChatIdentifier,
     @SerialName(videoField)
-    @Optional
     val video: String? = null,
     @SerialName(thumbField)
-    @Optional
     override val thumb: String? = null,
     @SerialName(captionField)
-    @Optional
     override val text: String? = null,
     @SerialName(parseModeField)
-    @Optional
     override val parseMode: ParseMode? = null,
     @SerialName(durationField)
-    @Optional
     override val duration: Long? = null,
     @SerialName(widthField)
-    @Optional
     override val width: Int? = null,
     @SerialName(heightField)
-    @Optional
     override val height: Int? = null,
     @SerialName(supportStreamingField)
-    @Optional
     val supportStreaming: Boolean? = null,
     @SerialName(disableNotificationField)
-    @Optional
     override val disableNotification: Boolean = false,
     @SerialName(replyToMessageIdField)
-    @Optional
     override val replyToMessageId: MessageIdentifier? = null,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: KeyboardMarkup? = null
 ) : DataRequest<RawMessage>,
     SendMessageRequest<RawMessage>,

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/send/media/SendVideoNote.kt

@@ -56,31 +56,22 @@ data class SendVideoNoteData internal constructor(
     @SerialName(chatIdField)
     override val chatId: ChatIdentifier,
     @SerialName(videoNoteField)
-    @Optional
     val videoNote: String? = null,
     @SerialName(thumbField)
-    @Optional
     override val thumb: String? = null,
     @SerialName(captionField)
-    @Optional
     override val text: String? = null,
     @SerialName(parseModeField)
-    @Optional
     override val parseMode: ParseMode? = null,
     @SerialName(durationField)
-    @Optional
     override val duration: Long? = null,
     @SerialName(lengthField)
-    @Optional
     override val width: Int? = null,
     @SerialName(disableNotificationField)
-    @Optional
     override val disableNotification: Boolean = false,
     @SerialName(replyToMessageIdField)
-    @Optional
     override val replyToMessageId: MessageIdentifier? = null,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: KeyboardMarkup? = null
 ) : DataRequest<RawMessage>,
     SendMessageRequest<RawMessage>,

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/send/media/SendVoice.kt

@@ -54,28 +54,20 @@ data class SendVoiceData internal constructor(
     @SerialName(chatIdField)
     override val chatId: ChatIdentifier,
     @SerialName(voiceField)
-    @Optional
     val voice: String? = null,
     @SerialName(thumbField)
-    @Optional
     override val thumb: String? = null,
     @SerialName(captionField)
-    @Optional
     override val text: String? = null,
     @SerialName(parseModeField)
-    @Optional
     override val parseMode: ParseMode? = null,
     @SerialName(durationField)
-    @Optional
     override val duration: Long? = null,
     @SerialName(disableNotificationField)
-    @Optional
     override val disableNotification: Boolean = false,
     @SerialName(replyToMessageIdField)
-    @Optional
     override val replyToMessageId: MessageIdentifier? = null,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: KeyboardMarkup? = null
 ) : DataRequest<RawMessage>,
     SendMessageRequest<RawMessage>,

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/send/payments/SendInvoice.kt

@@ -9,7 +9,6 @@ import com.github.insanusmokrassar.TelegramBotAPI.types.payments.LabeledPrice
 import com.github.insanusmokrassar.TelegramBotAPI.types.payments.LabeledPricesSerializer
 import com.github.insanusmokrassar.TelegramBotAPI.types.payments.abstracts.*
 import kotlinx.serialization.*
-import kotlinx.serialization.Optional
 import java.util.*
 
 /**
@@ -36,37 +35,26 @@ data class SendInvoice(
     @SerialName(pricesField)
     override val prices: List<LabeledPrice>,
     @SerialName(providerDataField)
-    @Optional
     val providerData: String? = null,
     @SerialName(requireNameField)
-    @Optional
     val requireName: Boolean = false,
     @SerialName(requirePhoneNumberField)
-    @Optional
     val requirePhoneNumber: Boolean = false,
     @SerialName(requireEmailField)
-    @Optional
     val requireEmail: Boolean = false,
     @SerialName(requireShippingAddressField)
-    @Optional
     val requireShippingAddress: Boolean = false,
     @SerialName(shouldSendPhoneNumberToProviderField)
-    @Optional
     val shouldSendPhoneNumberToProvider: Boolean = false,
     @SerialName(shouldSendEmailToProviderField)
-    @Optional
     val shouldSendEmailToProvider: Boolean = false,
     @SerialName(priceDependOnShipAddressField)
-    @Optional
     val priceDependOnShipAddress: Boolean = false,
     @SerialName(disableNotificationField)
-    @Optional
     override val disableNotification: Boolean = false,
     @SerialName(replyToMessageIdField)
-    @Optional
     override val replyToMessageId: MessageIdentifier? = null,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: InlineKeyboardMarkup? = null
 ) : Currencied,
     Priced,

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/stickers/AddStickerToSet.kt

@@ -5,7 +5,8 @@ import com.github.insanusmokrassar.TelegramBotAPI.requests.common.CommonMultipar
 import com.github.insanusmokrassar.TelegramBotAPI.requests.stickers.abstracts.StickerSetAction
 import com.github.insanusmokrassar.TelegramBotAPI.types.*
 import com.github.insanusmokrassar.TelegramBotAPI.types.stickers.MaskPosition
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 fun AddStickerToSet(
     userId: UserId,
@@ -33,10 +34,8 @@ data class AddStickerToSet internal constructor(
     @SerialName(emojisField)
     override val emojis: String,
     @SerialName(pngStickerField)
-    @Optional
     val sticker: FileId? = null,
     @SerialName(maskPositionField)
-    @Optional
     override val maskPosition: MaskPosition? = null
 ) : StickerSetAction {
     init {

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/stickers/CreateNewStickerSet.kt

@@ -5,7 +5,8 @@ import com.github.insanusmokrassar.TelegramBotAPI.requests.common.CommonMultipar
 import com.github.insanusmokrassar.TelegramBotAPI.requests.stickers.abstracts.StickerSetAction
 import com.github.insanusmokrassar.TelegramBotAPI.types.*
 import com.github.insanusmokrassar.TelegramBotAPI.types.stickers.MaskPosition
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 fun CreateNewStickerSet(
     userId: UserId,
@@ -34,13 +35,10 @@ data class CreateNewStickerSet internal constructor(
     @SerialName(emojisField)
     override val emojis: String,
     @SerialName(pngStickerField)
-    @Optional
     val sticker: FileId? = null,
     @SerialName(containsMasksField)
-    @Optional
     val containsMasks: Boolean? = null,
     @SerialName(maskPositionField)
-    @Optional
     override val maskPosition: MaskPosition? = null
 ) : StickerSetAction {
     init {

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/webhook/DeleteWebhook.kt

@@ -0,0 +1,13 @@
+package com.github.insanusmokrassar.TelegramBotAPI.requests.webhook
+
+import com.github.insanusmokrassar.TelegramBotAPI.requests.abstracts.SimpleRequest
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.internal.BooleanSerializer
+
+@Serializable
+class DeleteWebhook : SimpleRequest<Boolean> {
+    override fun method(): String = "deleteWebhook"
+
+    override fun resultSerializer(): KSerializer<Boolean> = BooleanSerializer
+}

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/webhook/SetWebhook.kt

@@ -44,13 +44,10 @@ data class SetWebhook internal constructor(
     @SerialName(urlField)
     val url: String,
     @SerialName(certificateField)
-    @Optional
     val certificateFile: String? = null,
     @SerialName(maxAllowedConnectionsField)
-    @Optional
     val maxAllowedConnections: Int? = null,
     @SerialName(allowedUpdatesField)
-    @Optional
     val allowedUpdates: List<String>? = null
 ) : DataRequest<Boolean> {
     override fun method(): String = "setWebhook"

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/CallbackQuery/RawCallbackQuery.kt

@@ -10,17 +10,13 @@ data class RawCallbackQuery(
     val id: CallbackQueryIdentifier,
     @SerialName(fromField)
     val from: User,
-    @Optional
     val message: RawMessage? = null,
     @SerialName(inlineMessageIdField)
-    @Optional
     val inlineMessageId: InlineMessageIdentifier? = null,
     @SerialName("chat_instance")
     val chatInstance: String,
-    @Optional
     val data: String? = null,
     @SerialName("game_short_name")
-    @Optional
     val gameShortName: String? = null
 ) {
     @Transient

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/ChatMember/RawChatMember.kt

@@ -7,46 +7,32 @@ import kotlinx.serialization.*
 data class RawChatMember(
     val user: User,
     private val status: String,
-    @Optional
     private val until_date: TelegramDate? = null,
     @SerialName(canBeEditedField)
-    @Optional
     private val canBeEdited: Boolean = false,
     @SerialName(canChangeInfoField)
-    @Optional
     private val canChangeInfo: Boolean = false,
     @SerialName(canPostMessagesField)
-    @Optional
     private val canPostMessages: Boolean = false,
     @SerialName(canEditMessagesField)
-    @Optional
     private val canEditMessages: Boolean = false,
     @SerialName(canDeleteMessagesField)
-    @Optional
     private val canDeleteMessages: Boolean = false,
     @SerialName(canInviteUsersField)
-    @Optional
     private val canInviteUsers: Boolean = false,
     @SerialName(canRestrictMembersField)
-    @Optional
     private val canRestrictMembers: Boolean = false,
     @SerialName(canPinMessagesField)
-    @Optional
     private val canPinMessages: Boolean = false,
     @SerialName(canPromoteMembersField)
-    @Optional
     private val canPromoteMembers: Boolean = false,
     @SerialName(canSendMessagesField)
-    @Optional
     private val canSendMessages: Boolean = false,
     @SerialName(canSendMediaMessagesField)
-    @Optional
     private val canSendMediaMessages: Boolean = false,
     @SerialName(canSendOtherMessagesField)
-    @Optional
     private val canSendOtherMessages: Boolean = false,
     @SerialName(canAddWebPagePreviewsField)
-    @Optional
     private val canAddWebPagePreviews: Boolean = false
 ) {
     @Transient

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/Common.kt

@@ -184,7 +184,7 @@ const val certificateField = "certificate"
 const val pointField = "point"
 const val xShiftField = "x_shift"
 const val yShiftField = "y_shift"
-const val scaleField = "y_shift"
+const val scaleField = "scale"
 
 
 const val currencyField = "currency"

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/Contact.kt

@@ -1,7 +1,8 @@
 package com.github.insanusmokrassar.TelegramBotAPI.types
 
 import com.github.insanusmokrassar.TelegramBotAPI.CommonAbstracts.CommonContactData
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class Contact(
@@ -10,12 +11,9 @@ data class Contact(
     @SerialName(firstNameField)
     override val firstName: String,
     @SerialName(lastNameField)
-    @Optional
     override val lastName: String? = null,
     @SerialName(userIdField)
-    @Optional
     val userId: UserId? = null,
     @SerialName(vcardField)
-    @Optional
     override val vcard: String? = null
 ) : CommonContactData

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/ChosenInlineResult/RawChosenInlineResult.kt

@@ -13,10 +13,8 @@ data class RawChosenInlineResult(
     @SerialName(queryField)
     val query: String,
     @SerialName(locationField)
-    @Optional
     val location: Location? = null,
     @SerialName(inlineMessageIdField)
-    @Optional
     val inlineMessageId: InlineMessageIdentifier? = null
 ) {
     @Transient

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InlineQueryResult/InlineQueryResultArticle.kt

@@ -4,7 +4,8 @@ import com.github.insanusmokrassar.TelegramBotAPI.types.*
 import com.github.insanusmokrassar.TelegramBotAPI.types.InlineQueries.InlineQueryResult.abstracts.*
 import com.github.insanusmokrassar.TelegramBotAPI.types.InlineQueries.abstracts.InputMessageContent
 import com.github.insanusmokrassar.TelegramBotAPI.types.buttons.InlineKeyboardMarkup
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 class InlineQueryResultArticle(
@@ -15,25 +16,18 @@ class InlineQueryResultArticle(
     @SerialName(inputMessageContentField)
     override val inputMessageContent: InputMessageContent,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: InlineKeyboardMarkup? = null,
     @SerialName(urlField)
-    @Optional
     override val url: String? = null,
     @SerialName(hideUrlField)
-    @Optional
     val hideUrl: Boolean? = null,
     @SerialName(descriptionField)
-    @Optional
     override val description: String? = null,
     @SerialName(thumbUrlField)
-    @Optional
     override val thumbUrl: String? = null,
     @SerialName(thumbWidthField)
-    @Optional
     override val thumbWidth: Int? = null,
     @SerialName(thumbHeightField)
-    @Optional
     override val thumbHeight: Int? = null
 ) : InlineQueryResult,
     ThumbSizedInlineQueryResult,

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InlineQueryResult/InlineQueryResultAudioCachedImpl.kt

@@ -8,7 +8,8 @@ import com.github.insanusmokrassar.TelegramBotAPI.types.InlineQueries.abstracts.
 import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.ParseMode
 import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.parseModeField
 import com.github.insanusmokrassar.TelegramBotAPI.types.buttons.InlineKeyboardMarkup
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class InlineQueryResultAudioCachedImpl(
@@ -17,16 +18,12 @@ data class InlineQueryResultAudioCachedImpl(
     @SerialName(audioFileIdField)
     override val fileId: FileId,
     @SerialName(captionField)
-    @Optional
     override val caption: String? = null,
     @SerialName(parseModeField)
-    @Optional
     override val parseMode: ParseMode? = null,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: InlineKeyboardMarkup? = null,
     @SerialName(inputMessageContentField)
-    @Optional
     override val inputMessageContent: InputMessageContent? = null
 ) : InlineQueryResultAudioCached {
     override val type: String = inlineQueryResultAudioType

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InlineQueryResult/InlineQueryResultAudioImpl.kt

@@ -7,7 +7,8 @@ import com.github.insanusmokrassar.TelegramBotAPI.types.InlineQueries.abstracts.
 import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.ParseMode
 import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.parseModeField
 import com.github.insanusmokrassar.TelegramBotAPI.types.buttons.InlineKeyboardMarkup
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class InlineQueryResultAudioImpl(
@@ -18,22 +19,16 @@ data class InlineQueryResultAudioImpl(
     @SerialName(titleField)
     override val title: String,
     @SerialName(performerField)
-    @Optional
     override val performer: String? = null,
     @SerialName(audioDurationField)
-    @Optional
     override val duration: Int? = null,
     @SerialName(captionField)
-    @Optional
     override val caption: String? = null,
     @SerialName(parseModeField)
-    @Optional
     override val parseMode: ParseMode? = null,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: InlineKeyboardMarkup? = null,
     @SerialName(inputMessageContentField)
-    @Optional
     override val inputMessageContent: InputMessageContent? = null
 ) : InlineQueryResultAudio {
     override val type: String = inlineQueryResultAudioType

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InlineQueryResult/InlineQueryResultContact.kt

@@ -5,7 +5,8 @@ import com.github.insanusmokrassar.TelegramBotAPI.types.*
 import com.github.insanusmokrassar.TelegramBotAPI.types.InlineQueries.InlineQueryResult.abstracts.*
 import com.github.insanusmokrassar.TelegramBotAPI.types.InlineQueries.abstracts.InputMessageContent
 import com.github.insanusmokrassar.TelegramBotAPI.types.buttons.InlineKeyboardMarkup
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class InlineQueryResultContact(
@@ -16,25 +17,18 @@ data class InlineQueryResultContact(
     @SerialName(firstNameField)
     override val firstName: String,
     @SerialName(lastNameField)
-    @Optional
     override val lastName: String? = null,
     @SerialName(vcardField)
-    @Optional
     override val vcard: String? = null,
     @SerialName(thumbUrlField)
-    @Optional
     override val thumbUrl: String? = null,
     @SerialName(thumbWidthField)
-    @Optional
     override val thumbWidth: Int? = null,
     @SerialName(thumbHeightField)
-    @Optional
     override val thumbHeight: Int? = null,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: InlineKeyboardMarkup? = null,
     @SerialName(inputMessageContentField)
-    @Optional
     override val inputMessageContent: InputMessageContent? = null
 ) : InlineQueryResult,
     CommonContactData,

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InlineQueryResult/InlineQueryResultDocumentCachedImpl.kt

@@ -8,7 +8,8 @@ import com.github.insanusmokrassar.TelegramBotAPI.types.InlineQueries.abstracts.
 import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.ParseMode
 import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.parseModeField
 import com.github.insanusmokrassar.TelegramBotAPI.types.buttons.InlineKeyboardMarkup
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class InlineQueryResultDocumentCachedImpl(
@@ -19,19 +20,14 @@ data class InlineQueryResultDocumentCachedImpl(
     @SerialName(titleField)
     override val title: String,
     @SerialName(descriptionField)
-    @Optional
     override val description: String? = null,
     @SerialName(captionField)
-    @Optional
     override val caption: String? = null,
     @SerialName(parseModeField)
-    @Optional
     override val parseMode: ParseMode? = null,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: InlineKeyboardMarkup? = null,
     @SerialName(inputMessageContentField)
-    @Optional
     override val inputMessageContent: InputMessageContent? = null
 ) : InlineQueryResultDocumentCached {
     override val type: String = inlineQueryResultDocumentType

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InlineQueryResult/InlineQueryResultDocumentImpl.kt

@@ -8,7 +8,8 @@ import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.ParseMode
 import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.parseModeField
 import com.github.insanusmokrassar.TelegramBotAPI.types.buttons.InlineKeyboardMarkup
 import com.github.insanusmokrassar.TelegramBotAPI.types.files.abstracts.mimeTypeField
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class InlineQueryResultDocumentImpl(
@@ -21,28 +22,20 @@ data class InlineQueryResultDocumentImpl(
     @SerialName(mimeTypeField)
     override val mimeType: String,
     @SerialName(thumbUrlField)
-    @Optional
     override val thumbUrl: String? = null,
     @SerialName(thumbWidthField)
-    @Optional
     override val thumbWidth: Int? = null,
     @SerialName(thumbHeightField)
-    @Optional
     override val thumbHeight: Int? = null,
     @SerialName(descriptionField)
-    @Optional
     override val description: String? = null,
     @SerialName(captionField)
-    @Optional
     override val caption: String? = null,
     @SerialName(parseModeField)
-    @Optional
     override val parseMode: ParseMode? = null,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: InlineKeyboardMarkup? = null,
     @SerialName(inputMessageContentField)
-    @Optional
     override val inputMessageContent: InputMessageContent? = null
 ) : InlineQueryResultDocument {
     override val type: String = inlineQueryResultDocumentType

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InlineQueryResult/InlineQueryResultGifCachedImpl.kt

@@ -8,7 +8,8 @@ import com.github.insanusmokrassar.TelegramBotAPI.types.InlineQueries.abstracts.
 import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.ParseMode
 import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.parseModeField
 import com.github.insanusmokrassar.TelegramBotAPI.types.buttons.InlineKeyboardMarkup
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class InlineQueryResultGifCachedImpl(
@@ -17,19 +18,14 @@ data class InlineQueryResultGifCachedImpl(
     @SerialName(gifFileIdField)
     override val fileId: FileId,
     @SerialName(titleField)
-    @Optional
     override val title: String? = null,
     @SerialName(captionField)
-    @Optional
     override val caption: String? = null,
     @SerialName(parseModeField)
-    @Optional
     override val parseMode: ParseMode? = null,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: InlineKeyboardMarkup? = null,
     @SerialName(inputMessageContentField)
-    @Optional
     override val inputMessageContent: InputMessageContent? = null
 ) : InlineQueryResultGifCached {
     override val type: String = inlineQueryResultGifType

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InlineQueryResult/InlineQueryResultGifImpl.kt

@@ -7,7 +7,8 @@ import com.github.insanusmokrassar.TelegramBotAPI.types.InlineQueries.abstracts.
 import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.ParseMode
 import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.parseModeField
 import com.github.insanusmokrassar.TelegramBotAPI.types.buttons.InlineKeyboardMarkup
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class InlineQueryResultGifImpl(
@@ -18,28 +19,20 @@ data class InlineQueryResultGifImpl(
     @SerialName(thumbUrlField)
     override val thumbUrl: String,
     @SerialName(gifWidthField)
-    @Optional
     override val width: Int? = null,
     @SerialName(gifHeightField)
-    @Optional
     override val height: Int? = null,
     @SerialName(gifDurationField)
-    @Optional
     override val duration: Int? = null,
     @SerialName(titleField)
-    @Optional
     override val title: String? = null,
     @SerialName(captionField)
-    @Optional
     override val caption: String? = null,
     @SerialName(parseModeField)
-    @Optional
     override val parseMode: ParseMode? = null,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: InlineKeyboardMarkup? = null,
     @SerialName(inputMessageContentField)
-    @Optional
     override val inputMessageContent: InputMessageContent? = null
 ) : InlineQueryResultGif {
     override val type: String = inlineQueryResultGifType

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InlineQueryResult/InlineQueryResultLocation.kt

@@ -6,7 +6,8 @@ import com.github.insanusmokrassar.TelegramBotAPI.types.*
 import com.github.insanusmokrassar.TelegramBotAPI.types.InlineQueries.InlineQueryResult.abstracts.*
 import com.github.insanusmokrassar.TelegramBotAPI.types.InlineQueries.abstracts.InputMessageContent
 import com.github.insanusmokrassar.TelegramBotAPI.types.buttons.InlineKeyboardMarkup
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class InlineQueryResultLocation(
@@ -19,22 +20,16 @@ data class InlineQueryResultLocation(
     @SerialName(titleField)
     override val title: String,
     @SerialName(livePeriodField)
-    @Optional
     override val livePeriod: Int? = null,
     @SerialName(thumbUrlField)
-    @Optional
     override val thumbUrl: String? = null,
     @SerialName(thumbWidthField)
-    @Optional
     override val thumbWidth: Int? = null,
     @SerialName(thumbHeightField)
-    @Optional
     override val thumbHeight: Int? = null,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: InlineKeyboardMarkup? = null,
     @SerialName(inputMessageContentField)
-    @Optional
     override val inputMessageContent: InputMessageContent? = null
 ) : InlineQueryResult,
     Locationed,

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InlineQueryResult/InlineQueryResultMpeg4GifCachedImpl.kt

@@ -8,7 +8,8 @@ import com.github.insanusmokrassar.TelegramBotAPI.types.InlineQueries.abstracts.
 import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.ParseMode
 import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.parseModeField
 import com.github.insanusmokrassar.TelegramBotAPI.types.buttons.InlineKeyboardMarkup
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class InlineQueryResultMpeg4GifCachedImpl(
@@ -17,19 +18,14 @@ data class InlineQueryResultMpeg4GifCachedImpl(
     @SerialName(mpeg4GifFileIdField)
     override val fileId: FileId,
     @SerialName(titleField)
-    @Optional
     override val title: String? = null,
     @SerialName(captionField)
-    @Optional
     override val caption: String? = null,
     @SerialName(parseModeField)
-    @Optional
     override val parseMode: ParseMode? = null,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: InlineKeyboardMarkup? = null,
     @SerialName(inputMessageContentField)
-    @Optional
     override val inputMessageContent: InputMessageContent? = null
 ) : InlineQueryResultMpeg4GifCached {
     override val type: String = inlineQueryResultMpeg4GifType

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InlineQueryResult/InlineQueryResultMpeg4GifImpl.kt

@@ -7,7 +7,8 @@ import com.github.insanusmokrassar.TelegramBotAPI.types.InlineQueries.abstracts.
 import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.ParseMode
 import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.parseModeField
 import com.github.insanusmokrassar.TelegramBotAPI.types.buttons.InlineKeyboardMarkup
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class InlineQueryResultMpeg4GifImpl(
@@ -18,28 +19,20 @@ data class InlineQueryResultMpeg4GifImpl(
     @SerialName(thumbUrlField)
     override val thumbUrl: String,
     @SerialName(mpeg4GifWidthField)
-    @Optional
     override val width: Int? = null,
     @SerialName(mpeg4GifHeightField)
-    @Optional
     override val height: Int? = null,
     @SerialName(mpeg4GifDurationField)
-    @Optional
     override val duration: Int? = null,
     @SerialName(titleField)
-    @Optional
     override val title: String? = null,
     @SerialName(captionField)
-    @Optional
     override val caption: String? = null,
     @SerialName(parseModeField)
-    @Optional
     override val parseMode: ParseMode? = null,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: InlineKeyboardMarkup? = null,
     @SerialName(inputMessageContentField)
-    @Optional
     override val inputMessageContent: InputMessageContent? = null
 ) : InlineQueryResultMpeg4Gif {
     override val type: String = inlineQueryResultMpeg4GifType

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InlineQueryResult/InlineQueryResultPhotoCachedImpl.kt

@@ -8,7 +8,8 @@ import com.github.insanusmokrassar.TelegramBotAPI.types.InlineQueries.abstracts.
 import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.ParseMode
 import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.parseModeField
 import com.github.insanusmokrassar.TelegramBotAPI.types.buttons.InlineKeyboardMarkup
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class InlineQueryResultPhotoCachedImpl(
@@ -17,22 +18,16 @@ data class InlineQueryResultPhotoCachedImpl(
     @SerialName(photoFileIdField)
     override val fileId: FileId,
     @SerialName(titleField)
-    @Optional
     override val title: String? = null,
     @SerialName(descriptionField)
-    @Optional
     override val description: String? = null,
     @SerialName(captionField)
-    @Optional
     override val caption: String? = null,
     @SerialName(parseModeField)
-    @Optional
     override val parseMode: ParseMode? = null,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: InlineKeyboardMarkup? = null,
     @SerialName(inputMessageContentField)
-    @Optional
     override val inputMessageContent: InputMessageContent? = null
 ) : InlineQueryResultPhotoCached {
     override val type: String = inlineQueryResultPhotoType

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InlineQueryResult/InlineQueryResultPhotoImpl.kt

@@ -7,7 +7,8 @@ import com.github.insanusmokrassar.TelegramBotAPI.types.InlineQueries.abstracts.
 import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.ParseMode
 import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.parseModeField
 import com.github.insanusmokrassar.TelegramBotAPI.types.buttons.InlineKeyboardMarkup
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class InlineQueryResultPhotoImpl(
@@ -18,28 +19,20 @@ data class InlineQueryResultPhotoImpl(
     @SerialName(thumbUrlField)
     override val thumbUrl: String,
     @SerialName(photoWidthField)
-    @Optional
     override val width: Int? = null,
     @SerialName(photoHeightField)
-    @Optional
     override val height: Int? = null,
     @SerialName(titleField)
-    @Optional
     override val title: String? = null,
     @SerialName(descriptionField)
-    @Optional
     override val description: String? = null,
     @SerialName(captionField)
-    @Optional
     override val caption: String? = null,
     @SerialName(parseModeField)
-    @Optional
     override val parseMode: ParseMode? = null,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: InlineKeyboardMarkup? = null,
     @SerialName(inputMessageContentField)
-    @Optional
     override val inputMessageContent: InputMessageContent? = null
 ) : InlineQueryResultPhoto {
     override val type: String = inlineQueryResultPhotoType

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InlineQueryResult/InlineQueryResultStickerCached.kt

@@ -5,7 +5,8 @@ import com.github.insanusmokrassar.TelegramBotAPI.types.*
 import com.github.insanusmokrassar.TelegramBotAPI.types.InlineQueries.InlineQueryResult.abstracts.*
 import com.github.insanusmokrassar.TelegramBotAPI.types.InlineQueries.abstracts.InputMessageContent
 import com.github.insanusmokrassar.TelegramBotAPI.types.buttons.InlineKeyboardMarkup
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class InlineQueryResultStickerCached(
@@ -14,10 +15,8 @@ data class InlineQueryResultStickerCached(
     @SerialName(stickerFileIdField)
     override val fileId: FileId,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: InlineKeyboardMarkup? = null,
     @SerialName(inputMessageContentField)
-    @Optional
     override val inputMessageContent: InputMessageContent? = null
 ) : InlineQueryResult, WithInputMessageContentInlineQueryResult, WithFileIdInlineQueryResult {
     override val type: String = "sticker"

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InlineQueryResult/InlineQueryResultVenue.kt

@@ -6,7 +6,8 @@ import com.github.insanusmokrassar.TelegramBotAPI.types.*
 import com.github.insanusmokrassar.TelegramBotAPI.types.InlineQueries.InlineQueryResult.abstracts.*
 import com.github.insanusmokrassar.TelegramBotAPI.types.InlineQueries.abstracts.InputMessageContent
 import com.github.insanusmokrassar.TelegramBotAPI.types.buttons.InlineKeyboardMarkup
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class InlineQueryResultVenue(
@@ -21,25 +22,18 @@ data class InlineQueryResultVenue(
     @SerialName(addressField)
     override val address: String,
     @SerialName(foursquareIdField)
-    @Optional
     override val foursquareId: String? = null,
     @SerialName(foursquareTypeField)
-    @Optional
     override val foursquareType: String? = null,
     @SerialName(thumbUrlField)
-    @Optional
     override val thumbUrl: String? = null,
     @SerialName(thumbWidthField)
-    @Optional
     override val thumbWidth: Int? = null,
     @SerialName(thumbHeightField)
-    @Optional
     override val thumbHeight: Int? = null,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: InlineKeyboardMarkup? = null,
     @SerialName(inputMessageContentField)
-    @Optional
     override val inputMessageContent: InputMessageContent? = null
 ) : InlineQueryResult,
     Locationed,

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InlineQueryResult/InlineQueryResultVideoCachedImpl.kt

@@ -8,7 +8,8 @@ import com.github.insanusmokrassar.TelegramBotAPI.types.InlineQueries.abstracts.
 import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.ParseMode
 import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.parseModeField
 import com.github.insanusmokrassar.TelegramBotAPI.types.buttons.InlineKeyboardMarkup
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class InlineQueryResultVideoCachedImpl(
@@ -19,19 +20,14 @@ data class InlineQueryResultVideoCachedImpl(
     @SerialName(titleField)
     override val title: String,
     @SerialName(descriptionField)
-    @Optional
     override val description: String? = null,
     @SerialName(captionField)
-    @Optional
     override val caption: String? = null,
     @SerialName(parseModeField)
-    @Optional
     override val parseMode: ParseMode? = null,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: InlineKeyboardMarkup? = null,
     @SerialName(inputMessageContentField)
-    @Optional
     override val inputMessageContent: InputMessageContent? = null
 ) : InlineQueryResultVideoCached {
     override val type: String = inlineQueryResultVideoType

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InlineQueryResult/InlineQueryResultVideoImpl.kt

@@ -8,7 +8,8 @@ import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.ParseMode
 import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.parseModeField
 import com.github.insanusmokrassar.TelegramBotAPI.types.buttons.InlineKeyboardMarkup
 import com.github.insanusmokrassar.TelegramBotAPI.types.files.abstracts.mimeTypeField
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class InlineQueryResultVideoImpl(
@@ -23,28 +24,20 @@ data class InlineQueryResultVideoImpl(
     @SerialName(titleField)
     override val title: String,
     @SerialName(videoWidthField)
-    @Optional
     override val width: Int? = null,
     @SerialName(videoHeightField)
-    @Optional
     override val height: Int? = null,
     @SerialName(videoDurationField)
-    @Optional
     override val duration: Int? = null,
     @SerialName(descriptionField)
-    @Optional
     override val description: String? = null,
     @SerialName(captionField)
-    @Optional
     override val caption: String? = null,
     @SerialName(parseModeField)
-    @Optional
     override val parseMode: ParseMode? = null,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: InlineKeyboardMarkup? = null,
     @SerialName(inputMessageContentField)
-    @Optional
     override val inputMessageContent: InputMessageContent? = null
 ) : InlineQueryResultVideo {
     override val type: String = inlineQueryResultVideoType

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InlineQueryResult/InlineQueryResultVoiceCachedImpl.kt

@@ -8,7 +8,8 @@ import com.github.insanusmokrassar.TelegramBotAPI.types.InlineQueries.abstracts.
 import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.ParseMode
 import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.parseModeField
 import com.github.insanusmokrassar.TelegramBotAPI.types.buttons.InlineKeyboardMarkup
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class InlineQueryResultVoiceCachedImpl(
@@ -19,16 +20,12 @@ data class InlineQueryResultVoiceCachedImpl(
     @SerialName(titleField)
     override val title: String,
     @SerialName(captionField)
-    @Optional
     override val caption: String? = null,
     @SerialName(parseModeField)
-    @Optional
     override val parseMode: ParseMode? = null,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: InlineKeyboardMarkup? = null,
     @SerialName(inputMessageContentField)
-    @Optional
     override val inputMessageContent: InputMessageContent? = null
 ) : InlineQueryResultVoiceCached {
     override val type: String = inlineQueryResultVoiceType

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InlineQueryResult/InlineQueryResultVoiceImpl.kt

@@ -7,7 +7,8 @@ import com.github.insanusmokrassar.TelegramBotAPI.types.InlineQueries.abstracts.
 import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.ParseMode
 import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.parseModeField
 import com.github.insanusmokrassar.TelegramBotAPI.types.buttons.InlineKeyboardMarkup
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class InlineQueryResultVoiceImpl(
@@ -18,19 +19,14 @@ data class InlineQueryResultVoiceImpl(
     @SerialName(titleField)
     override val title: String,
     @SerialName(voiceDurationField)
-    @Optional
     override val duration: Int? = null,
     @SerialName(captionField)
-    @Optional
     override val caption: String? = null,
     @SerialName(parseModeField)
-    @Optional
     override val parseMode: ParseMode? = null,
     @SerialName(replyMarkupField)
-    @Optional
     override val replyMarkup: InlineKeyboardMarkup? = null,
     @SerialName(inputMessageContentField)
-    @Optional
     override val inputMessageContent: InputMessageContent? = null
 ) : InlineQueryResultVoice {
     override val type: String = inlineQueryResultVoiceType

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InlineQueryResult/serializers/InlineQueryResultSerializer.kt

@@ -3,11 +3,12 @@ package com.github.insanusmokrassar.TelegramBotAPI.types.InlineQueries.InlineQue
 import com.github.insanusmokrassar.TelegramBotAPI.types.InlineQueries.InlineQueryResult.*
 import com.github.insanusmokrassar.TelegramBotAPI.types.InlineQueries.InlineQueryResult.abstracts.InlineQueryResult
 import kotlinx.serialization.*
+import kotlinx.serialization.internal.StringDescriptor
 import sun.reflect.generics.reflectiveObjects.NotImplementedException
 
 @Serializer(InlineQueryResult::class)
-object InlineQueryResultSerializer :
+object InlineQueryResultSerializer : KSerializer<InlineQueryResult> {
-    KSerializer<InlineQueryResult> {
+    override val descriptor: SerialDescriptor = StringDescriptor.withName(InlineQueryResult::class.toString())
     override fun serialize(encoder: Encoder, obj: InlineQueryResult) {
         when(obj) {
             is InlineQueryResultArticle -> InlineQueryResultArticle.serializer().serialize(encoder, obj)

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InputMessageContent/InputContactMessageContent.kt

@@ -3,7 +3,8 @@ package com.github.insanusmokrassar.TelegramBotAPI.types.InlineQueries.InputMess
 import com.github.insanusmokrassar.TelegramBotAPI.CommonAbstracts.CommonContactData
 import com.github.insanusmokrassar.TelegramBotAPI.types.*
 import com.github.insanusmokrassar.TelegramBotAPI.types.InlineQueries.abstracts.InputMessageContent
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class InputContactMessageContent(
@@ -12,9 +13,7 @@ data class InputContactMessageContent(
     @SerialName(firstNameField)
     override val firstName: String,
     @SerialName(lastNameField)
-    @Optional
     override val lastName: String? = null,
     @SerialName(vcardField)
-    @Optional
     override val vcard: String? = null
 ) : CommonContactData, InputMessageContent

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InputMessageContent/InputLocationMessageContent.kt

@@ -4,7 +4,8 @@ import com.github.insanusmokrassar.TelegramBotAPI.CommonAbstracts.Livable
 import com.github.insanusmokrassar.TelegramBotAPI.CommonAbstracts.Locationed
 import com.github.insanusmokrassar.TelegramBotAPI.types.*
 import com.github.insanusmokrassar.TelegramBotAPI.types.InlineQueries.abstracts.InputMessageContent
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class InputLocationMessageContent(
@@ -13,6 +14,5 @@ data class InputLocationMessageContent(
     @SerialName(longitudeField)
     override val longitude: Double,
     @SerialName(livePeriodField)
-    @Optional
     override val livePeriod: Int? = null
 ) : Locationed, Livable, InputMessageContent

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InputMessageContent/InputTextMessageContent.kt

@@ -7,16 +7,15 @@ import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.ParseMode
 import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.parseModeField
 import com.github.insanusmokrassar.TelegramBotAPI.types.disableWebPagePreviewField
 import com.github.insanusmokrassar.TelegramBotAPI.types.messageTextField
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class InputTextMessageContent(
     @SerialName(messageTextField)
     override val caption: String,
     @SerialName(parseModeField)
-    @Optional
     override val parseMode: ParseMode? = null,
     @SerialName(disableWebPagePreviewField)
-    @Optional
     override val disableWebPagePreview: Boolean? = null
 ) : Captioned, DisableWebPagePreview, InputMessageContent

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InputMessageContent/InputVenueMessageContent.kt

@@ -4,7 +4,8 @@ import com.github.insanusmokrassar.TelegramBotAPI.CommonAbstracts.CommonVenueDat
 import com.github.insanusmokrassar.TelegramBotAPI.CommonAbstracts.Locationed
 import com.github.insanusmokrassar.TelegramBotAPI.types.*
 import com.github.insanusmokrassar.TelegramBotAPI.types.InlineQueries.abstracts.InputMessageContent
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class InputVenueMessageContent(
@@ -17,9 +18,7 @@ data class InputVenueMessageContent(
     @SerialName(addressField)
     override val address: String,
     @SerialName(foursquareIdField)
-    @Optional
     override val foursquareId: String? = null,
     @SerialName(foursquareTypeField)
-    @Optional
     override val foursquareType: String? = null
 ) : Locationed, CommonVenueData, InputMessageContent

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InputMessageContentSerializer.kt

@@ -3,9 +3,11 @@ package com.github.insanusmokrassar.TelegramBotAPI.types.InlineQueries
 import com.github.insanusmokrassar.TelegramBotAPI.types.InlineQueries.InputMessageContent.*
 import com.github.insanusmokrassar.TelegramBotAPI.types.InlineQueries.abstracts.InputMessageContent
 import kotlinx.serialization.*
+import kotlinx.serialization.internal.StringDescriptor
 
 @Serializer(InputMessageContent::class)
 object InputMessageContentSerializer : KSerializer<InputMessageContent> {
+    override val descriptor: SerialDescriptor = StringDescriptor.withName(InputMessageContent::class.toString())
     override fun serialize(encoder: Encoder, obj: InputMessageContent) {
         when (obj) {
             is InputContactMessageContent -> InputContactMessageContent.serializer().serialize(encoder, obj)

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/query/RawInlineQuery.kt

@@ -14,7 +14,6 @@ data class RawInlineQuery(
     @SerialName(offsetField)
     val offset: String,
     @SerialName(locationField)
-    @Optional
     val location: Location? = null
 ) {
     @Transient

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InputMedia/InputMediaAnimation.kt

@@ -10,16 +10,11 @@ import kotlinx.serialization.*
 data class InputMediaAnimation(
     @Transient
     override val file: InputFile = throw IllegalStateException("Must be created with file"),
-    @Optional
     override val caption: String? = null,
     @SerialName(parseModeField)
-    @Optional
     override val parseMode: ParseMode? = null,
-    @Optional
     override val width: Int? = null,
-    @Optional
     override val height: Int? = null,
-    @Optional
     override val duration: Long? = null,
     @Transient
     override val thumb: InputFile? = null

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InputMedia/InputMediaAudio.kt

@@ -5,22 +5,17 @@ import com.github.insanusmokrassar.TelegramBotAPI.requests.abstracts.*
 import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.ParseMode
 import com.github.insanusmokrassar.TelegramBotAPI.types.ParseMode.parseModeField
 import com.github.insanusmokrassar.TelegramBotAPI.types.mediaField
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class InputMediaAudio(
-    @Transient
     override val file: InputFile = throw IllegalStateException("Must be created with file"),
-    @Optional
     override val caption: String? = null,
     @SerialName(parseModeField)
-    @Optional
     override val parseMode: ParseMode? = null,
-    @Optional
     override val duration: Long? = null,
-    @Optional
     override val performer: String? = null,
-    @Optional
     override val title: String? = null,
     override val thumb: InputFile? = null
 ) : InputMedia, DuratedInputMedia, ThumbedInputMedia, TitledInputMedia, CaptionedInputMedia, Performerable {

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InputMedia/InputMediaDocument.kt

@@ -10,10 +10,8 @@ import kotlinx.serialization.*
 data class InputMediaDocument(
     @Transient
     override val file: InputFile = throw IllegalStateException("Must be created with file"),
-    @Optional
     override val caption: String? = null,
     @SerialName(parseModeField)
-    @Optional
     override val parseMode: ParseMode? = null,
     @Transient
     override val thumb: InputFile? = null

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InputMedia/InputMediaPhoto.kt

@@ -11,10 +11,8 @@ import kotlinx.serialization.*
 data class InputMediaPhoto(
     @Transient
     override val file: InputFile = throw IllegalStateException("Must be created with file"),
-    @Optional
     override val caption: String? = null,
     @SerialName(parseModeField)
-    @Optional
     override val parseMode: ParseMode? = null
 ) : InputMedia, CaptionedInputMedia, MediaGroupMemberInputMedia {
     override val type: String = "photo"

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InputMedia/InputMediaSerializer.kt

@@ -1,9 +1,11 @@
 package com.github.insanusmokrassar.TelegramBotAPI.types.InputMedia
 
 import kotlinx.serialization.*
+import kotlinx.serialization.internal.StringDescriptor
 
 @Serializer(InputMedia::class)
 object InputMediaSerializer : KSerializer<InputMedia> {
+    override val descriptor: SerialDescriptor = StringDescriptor.withName(InputMedia::class.toString())
     override fun serialize(encoder: Encoder, obj: InputMedia) {
         when (obj) {
             is InputMediaVideo -> InputMediaVideo.serializer().serialize(encoder, obj)

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InputMedia/InputMediaVideo.kt

@@ -10,16 +10,11 @@ import kotlinx.serialization.*
 data class InputMediaVideo(
     @Transient
     override val file: InputFile = throw IllegalStateException("Must be created with file"),
-    @Optional
     override val caption: String? = null,
     @SerialName(parseModeField)
-    @Optional
     override val parseMode: ParseMode? = null,
-    @Optional
     override val width: Int? = null,
-    @Optional
     override val height: Int? = null,
-    @Optional
     override val duration: Long? = null,
     @Transient
     override val thumb: InputFile? = null

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InputMedia/MediaGroupMemberInputMediaSerializer.kt

@@ -1,13 +1,19 @@
 package com.github.insanusmokrassar.TelegramBotAPI.types.InputMedia
 
 import kotlinx.serialization.*
+import kotlinx.serialization.internal.StringDescriptor
 
 @Serializer(MediaGroupMemberInputMedia::class)
 object MediaGroupMemberInputMediaSerializer : KSerializer<MediaGroupMemberInputMedia> {
+    override val descriptor: SerialDescriptor = StringDescriptor.withName(MediaGroupMemberInputMedia::class.toString())
     override fun serialize(encoder: Encoder, obj: MediaGroupMemberInputMedia) {
         when (obj) {
             is InputMediaPhoto -> InputMediaPhoto.serializer().serialize(encoder, obj)
             is InputMediaVideo -> InputMediaVideo.serializer().serialize(encoder, obj)
         }
     }
+
+    override fun deserialize(decoder: Decoder): MediaGroupMemberInputMedia {
+        TODO("not implemented")
+    }
 }

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/MessageEntity/RawMessageEntity.kt

@@ -1,7 +1,8 @@
 package com.github.insanusmokrassar.TelegramBotAPI.types.MessageEntity
 
 import com.github.insanusmokrassar.TelegramBotAPI.types.User
-import kotlinx.serialization.*
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.Serializable
 import kotlinx.serialization.internal.ArrayListSerializer
 
 @Serializable
@@ -9,9 +10,7 @@ data class RawMessageEntity(
     val type: String,
     val offset: Int,
     val length: Int,
-    @Optional
     val url: String? = null,
-    @Optional
     val user: User? = null
 ) {
     fun asMessageEntity(source: String): MessageEntity {

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/Response.kt

@@ -1,6 +1,7 @@
 package com.github.insanusmokrassar.TelegramBotAPI.types
 
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Deprecated(
     "Deprecated because incorrect name",
@@ -11,13 +12,9 @@ typealias ResponseParameters<T> = Response<T>
 @Serializable
 data class Response<T : Any>(
     val ok: Boolean = false,
-    @Optional
     val description: String? = null,
     @SerialName("error_code")
-    @Optional
     val errorCode: Int? = null,
-    @Optional
     val result: T? = null,
-    @Optional
     val parameters: ResponseParametersRaw? = null
 )

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/ResponseParametersRaw.kt

@@ -5,10 +5,8 @@ import kotlinx.serialization.*
 @Serializable
 data class ResponseParametersRaw(
     @SerialName("migrate_to_chat_id")
-    @Optional
     private val migrateToChatId: ChatId? = null,
     @SerialName("retry_after")
-    @Optional
     private val retryAfter: Long? = null
 ) {
     @Transient

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/User.kt

@@ -1,25 +1,20 @@
 package com.github.insanusmokrassar.TelegramBotAPI.types
 
 import kotlinx.serialization.*
-import kotlinx.serialization.Optional
 import java.util.*
 
 @Serializable
 data class User(
     val id: ChatId,
     @SerialName(isBotField)
-    @Optional
     val isBot: Boolean = false,
     @SerialName(firstNameField)
     val firstName: String,
     @SerialName(lastNameField)
-    @Optional
     val lastName: String? = null,
     @SerialName(usernameField)
-    @Optional
     val username: Username? = null,
     @SerialName(languageCodeField)
-    @Optional
     private val languageCode: String? = null
 ) {
     @Transient

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/Venue.kt

@@ -1,7 +1,8 @@
 package com.github.insanusmokrassar.TelegramBotAPI.types
 
 import com.github.insanusmokrassar.TelegramBotAPI.CommonAbstracts.CommonVenueData
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class Venue(
@@ -12,9 +13,7 @@ data class Venue(
     @SerialName(addressField)
     override val address: String,
     @SerialName(foursquareIdField)
-    @Optional
     override val foursquareId: String? = null,
     @SerialName(foursquareTypeField)
-    @Optional
     override val foursquareType: String? = null
 ) : CommonVenueData

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/WebhookInfo.kt

@@ -9,19 +9,14 @@ data class WebhookInfo(
     @SerialName(pendingUpdateCountField)
     val awaitDeliery: Int,
     @SerialName(maxAllowedConnectionsField)
-    @Optional
     val maxConnections: Int = 40, // default count according to documentation
     @SerialName(hasCustomCertificateField)
-    @Optional
     val customCertificate: Boolean = false,
     @SerialName(allowedUpdatesField)
-    @Optional
     val allowedUpdates: List<String> = ALL_UPDATES_LIST,
     @SerialName(lastErrorDateField)
-    @Optional
     val lastErrorDate: TelegramDate? = null,
     @SerialName(lastErrorMessageField)
-    @Optional
     val lastErrorMessage: String? = null
 ) {
     @Transient

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/buttons/ForceReply.kt

@@ -1,10 +1,10 @@
 package com.github.insanusmokrassar.TelegramBotAPI.types.buttons
 
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class ForceReply(
-    @Optional
     val selective: Boolean? = null
 ) : KeyboardMarkup {
     @SerialName("force_reply")

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/buttons/KeyboardButton.kt

@@ -1,14 +1,13 @@
 package com.github.insanusmokrassar.TelegramBotAPI.types.buttons
 
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class KeyboardButton(
     val text: String,
     @SerialName("request_contact")
-    @Optional
     val requestContact: Boolean? = null,
     @SerialName("request_location")
-    @Optional
     val requestLocation: Boolean? = null
 )

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/buttons/KeyboardMarkupSerializer.kt

@@ -1,9 +1,11 @@
 package com.github.insanusmokrassar.TelegramBotAPI.types.buttons
 
 import kotlinx.serialization.*
+import kotlinx.serialization.internal.StringDescriptor
 
 @Serializer(KeyboardMarkup::class)
 object KeyboardMarkupSerializer : KSerializer<KeyboardMarkup> {
+    override val descriptor: SerialDescriptor = StringDescriptor.withName(KeyboardMarkup::class.toString())
     override fun serialize(encoder: Encoder, obj: KeyboardMarkup) {
         when(obj) {
             is ForceReply -> ForceReply.serializer().serialize(encoder, obj)
@@ -12,4 +14,8 @@ object KeyboardMarkupSerializer : KSerializer<KeyboardMarkup> {
             is ReplyKeyboardRemove -> ReplyKeyboardRemove.serializer().serialize(encoder, obj)
         }
     }
+
+    override fun deserialize(decoder: Decoder): KeyboardMarkup {
+        TODO("not implemented")
+    }
 }

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/buttons/ReplyKeyboardMarkup.kt

@@ -1,16 +1,14 @@
 package com.github.insanusmokrassar.TelegramBotAPI.types.buttons
 
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class ReplyKeyboardMarkup(
     val keyboard: Matrix<KeyboardButton>,
     @SerialName("resize_keyboard")
-    @Optional
     val resizeKeyboard: Boolean? = null,
     @SerialName("one_time_keyboard")
-    @Optional
     val oneTimeKeyboard: Boolean? = null,
-    @Optional
     val selective: Boolean? = null
 ) : KeyboardMarkup

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/buttons/ReplyKeyboardRemove.kt

@@ -1,10 +1,10 @@
 package com.github.insanusmokrassar.TelegramBotAPI.types.buttons
 
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class ReplyKeyboardRemove(
-    @Optional
     val selective: Boolean? = null
 ) : KeyboardMarkup {
     @SerialName("remove_keyboard")

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/chat/RawChat.kt

@@ -2,24 +2,25 @@ package com.github.insanusmokrassar.TelegramBotAPI.types.chat
 
 import com.github.insanusmokrassar.TelegramBotAPI.types.*
 import com.github.insanusmokrassar.TelegramBotAPI.types.message.RawMessage
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class RawChat(
     override val id: ChatId,
     private val type: String,
-    @Optional private val title: String? = null,
+    private val title: String? = null,
-    @Optional private val username: Username? = null,
+    private val username: Username? = null,
-    @Optional private val first_name: String? = null,
+    private val first_name: String? = null,
-    @Optional private val last_name: String? = null,
+    private val last_name: String? = null,
-    @Optional private val all_members_are_administrators: Boolean? = null,
+    private val all_members_are_administrators: Boolean? = null,
-    @Optional private val description: String? = null,
+    private val description: String? = null,
-    @Optional private val invite_link: String? = null,
+    private val invite_link: String? = null,
-    @Optional private val pinned_message: RawMessage? = null,
+    private val pinned_message: RawMessage? = null,
-    @Optional private val sticker_set_name: String? = null,
+    private val sticker_set_name: String? = null,
-    @Optional private val can_set_sticker_set: Boolean? = null,
+    private val can_set_sticker_set: Boolean? = null,
     @SerialName("photo")
-    @Optional override val chatPhoto: ChatPhoto? = null
+    override val chatPhoto: ChatPhoto? = null
 ) : Chat {
     fun extractChat(): Chat {
         return when (type) {

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/files/AnimationFile.kt

@@ -2,7 +2,8 @@ package com.github.insanusmokrassar.TelegramBotAPI.types.files
 
 import com.github.insanusmokrassar.TelegramBotAPI.requests.abstracts.FileId
 import com.github.insanusmokrassar.TelegramBotAPI.types.files.abstracts.*
-import kotlinx.serialization.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 
 @Serializable
 data class AnimationFile(
@@ -10,17 +11,12 @@ data class AnimationFile(
     override val fileId: FileId,
     override val width: Int,
     override val height: Int,
-    @Optional
     override val duration: Long? = null,
-    @Optional
     override val thumb: PhotoSize? = null,
     @SerialName(fileNameField)
-    @Optional
     override val fileName: String? = null,
     @SerialName(mimeTypeField)
-    @Optional
     override val mimeType: String? = null,
     @SerialName(fileSizeField)
-    @Optional
     override val fileSize: Long? = null
 ) : TelegramMediaFile, MimedMediaFile, ThumbedMediaFile, PlayableMediaFile, CustomNamedMediaFile, SizedMediaFile