docs: async def _send_typing(self, request: Request, stack: Stack):
          """
          In telegram, the typing stops when the message is received. Thus, there
          is no "typing stops" messages to send. The API is only called when
          typing must start.
          """
  
          t = stack.get_layer(lyr.Typing)
  
          if t.active:
              await self.call(
                  'sendChatAction',
                  chat_id=request.message.get_chat_id(),
                  action='typing',
              )