code: def receive_pong(self, pong: Pong):
          
  
          message_id = ('ping', pong.nonce, pong.sender)
          async_result = self.messageids_to_asyncresults.get(message_id)
  
          if async_result is not None:
              self.log_healthcheck.debug(
                  'Pong received',
                  sender=pex(pong.sender),
                  message_id=pong.nonce,
              )
  
              async_result.set(True)
  
          else:
              self.log_healthcheck.warn(
                  'Unknown pong received',
                  message_id=message_id,
              )
docs: Handles a Pong message.