diff --git a/CHANGELOG.md b/CHANGELOG.md
index 28e54c384a..5f6aa38769 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,9 @@
 [Bot API 6.5](https://core.telegram.org/bots/api-changelog#february-3-2023) support
 
 * `Core`:
-  * [Bot API 6.5](https://core.telegram.org/bots/api#february-3-2023) support
+    * `ChatPermissions` now is interface and have two main realizations: `ChatPermissions.Granular` and
+      `ChatPermissions.Common`
+    * `RestrictedChatMember` now implements `ChatPermissions` too
 
 ## 5.0.2
 
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/request/RequestId.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/request/RequestId.kt
index 5263de2366..048b7a5ff4 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/request/RequestId.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/request/RequestId.kt
@@ -7,7 +7,7 @@ import kotlin.random.Random
 @Serializable
 @JvmInline
 value class RequestId(
-    val float: Int
+    val int: Int
 ) {
     companion object {
         fun random() = RequestId(Random.nextInt())
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/request/RequestResponse.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/request/RequestResponse.kt
index 2c4c846942..028c9be4cd 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/request/RequestResponse.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/request/RequestResponse.kt
@@ -1,5 +1,8 @@
 package dev.inmo.tgbotapi.types.request
 
+import dev.inmo.tgbotapi.utils.internal.ClassCastsIncluded
+
+@ClassCastsIncluded
 sealed interface RequestResponse {
     val requestId: RequestId
 }
diff --git a/tgbotapi.utils/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/utils/ClassCastsNew.kt b/tgbotapi.utils/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/utils/ClassCastsNew.kt
index f11affb701..d6595ef0fa 100644
--- a/tgbotapi.utils/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/utils/ClassCastsNew.kt
+++ b/tgbotapi.utils/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/utils/ClassCastsNew.kt
@@ -436,6 +436,7 @@ import dev.inmo.tgbotapi.types.queries.callback.MessageGameShortNameCallbackQuer
 import dev.inmo.tgbotapi.types.queries.callback.UnknownCallbackQueryType
 import dev.inmo.tgbotapi.types.request.ChatShared
 import dev.inmo.tgbotapi.types.request.ChatSharedRequest
+import dev.inmo.tgbotapi.types.request.RequestResponse
 import dev.inmo.tgbotapi.types.request.UserShared
 import dev.inmo.tgbotapi.types.update.CallbackQueryUpdate
 import dev.inmo.tgbotapi.types.update.ChannelPostUpdate
@@ -4718,6 +4719,33 @@ public inline fun Poll.quizPollOrThrow(): QuizPoll = this as dev.inmo.tgbotapi.t
 
 public inline fun <T> Poll.ifQuizPoll(block: (QuizPoll) -> T): T? = quizPollOrNull() ?.let(block)
 
+public inline fun RequestResponse.chatSharedOrNull(): ChatShared? = this as?
+    dev.inmo.tgbotapi.types.request.ChatShared
+
+public inline fun RequestResponse.chatSharedOrThrow(): ChatShared = this as
+    dev.inmo.tgbotapi.types.request.ChatShared
+
+public inline fun <T> RequestResponse.ifChatShared(block: (ChatShared) -> T): T? =
+    chatSharedOrNull() ?.let(block)
+
+public inline fun RequestResponse.chatSharedRequestOrNull(): ChatSharedRequest? = this as?
+    dev.inmo.tgbotapi.types.request.ChatSharedRequest
+
+public inline fun RequestResponse.chatSharedRequestOrThrow(): ChatSharedRequest = this as
+    dev.inmo.tgbotapi.types.request.ChatSharedRequest
+
+public inline fun <T> RequestResponse.ifChatSharedRequest(block: (ChatSharedRequest) -> T): T? =
+    chatSharedRequestOrNull() ?.let(block)
+
+public inline fun RequestResponse.userSharedOrNull(): UserShared? = this as?
+    dev.inmo.tgbotapi.types.request.UserShared
+
+public inline fun RequestResponse.userSharedOrThrow(): UserShared = this as
+    dev.inmo.tgbotapi.types.request.UserShared
+
+public inline fun <T> RequestResponse.ifUserShared(block: (UserShared) -> T): T? =
+    userSharedOrNull() ?.let(block)
+
 public inline fun Update.callbackQueryUpdateOrNull(): CallbackQueryUpdate? = this as?
     dev.inmo.tgbotapi.types.update.CallbackQueryUpdate