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				@@ -1593,6 +1593,7 @@ class TelegramBot: 
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				     async def pinChatMessage(self, chat_id: Union[int, str], message_id, 
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				+                             business_connection_id: str = None, 
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				                              disable_notification: bool = None): 
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				         """Pin a message in a group, a supergroup, or a channel. 
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				@@ -1608,6 +1609,7 @@ class TelegramBot: 
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				     async def unpinChatMessage(self, chat_id: Union[int, str], 
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				+                               business_connection_id: str = None, 
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				                                message_id: int = None): 
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				         """Unpin a message in a group, a supergroup, or a channel. 
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