MessageStickerContent

fun MessageStickerContent(    msgType: String = MessageType.MSGTYPE_STICKER_LOCAL,     @Json(name = "body") body: String = "",     @Json(name = "info") info: ImageInfo? = null,     @Json(name = "url") url: String? = null,     @Json(name = "m.relates_to") relatesTo: RelationDefaultContent? = null,     @Json(name = "m.new_content") newContent: Content? = null,     @Json(name = "file") encryptedFileInfo: EncryptedFileInfo? = null)