medagroupcontent is media content

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/message/content/abstracts/MediaGroupContent.kt

@@ -1,7 +1,8 @@
 package com.github.insanusmokrassar.TelegramBotAPI.types.message.content.abstracts
 
 import com.github.insanusmokrassar.TelegramBotAPI.types.InputMedia.MediaGroupMemberInputMedia
+import com.github.insanusmokrassar.TelegramBotAPI.types.files.abstracts.TelegramMediaFile
 
-interface MediaGroupContent : MessageContent {
+interface MediaGroupContent<T : TelegramMediaFile> : MediaContent<T>, MessageContent {
     fun toMediaGroupMemberInputMedia(): MediaGroupMemberInputMedia
 }

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/message/content/media/PhotoContent.kt

@@ -19,7 +19,7 @@ data class PhotoContent(
     override val mediaCollection: List<PhotoSize>,
     override val caption: String? = null,
     override val captionEntities: List<MessageEntity> = emptyList()
-) : MediaCollectionContent<PhotoSize>, CaptionedMediaContent, MediaGroupContent {
+) : MediaCollectionContent<PhotoSize>, CaptionedMediaContent, MediaGroupContent<PhotoSize> {
     override val media: PhotoSize = mediaCollection.biggest() ?: throw IllegalStateException("Can't locate any photo size for this content")
 
     override fun createResend(

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/message/content/media/VideoContent.kt

@@ -18,7 +18,7 @@ data class VideoContent(
     override val media: VideoFile,
     override val caption: String? = null,
     override val captionEntities: List<MessageEntity> = emptyList()
-) : MediaContent<VideoFile>, CaptionedMediaContent, MediaGroupContent {
+) : CaptionedMediaContent, MediaGroupContent<VideoFile> {
     override fun createResend(
         chatId: ChatIdentifier,
         disableNotification: Boolean,