ifCommonSuggestedChannelDirectMessagesContentMessage
inline fun <T> OptionallyWithUser.ifCommonSuggestedChannelDirectMessagesContentMessage(block: (CommonSuggestedChannelDirectMessagesContentMessage<MessageContent>) -> T): T?
inline fun <T> Message.ifCommonSuggestedChannelDirectMessagesContentMessage(block: (CommonSuggestedChannelDirectMessagesContentMessage<MessageContent>) -> T): T?