unpin
suspend fun TelegramBot.unpinChatMessage(chatId: ChatIdentifier, messageId: MessageId? = null, businessConnectionId: BusinessConnectionId? = chatId.businessConnectionId)(source)
suspend fun TelegramBot.unpinChatMessage(chat: Chat, messageId: MessageId? = null, businessConnectionId: BusinessConnectionId? = chat.id.businessConnectionId)(source)
suspend fun TelegramBot.unpinChatMessage(message: AccessibleMessage, businessConnectionId: BusinessConnectionId? = message.chat.id.businessConnectionId)(source)