code: def connect_async(self, connection_id, connection_string, callback):
          
  
          if callback is not None:
              callback(connection_id, self.id, False, "connect command is not supported in device adapter")
docs: Asynchronously connect to a device
  
          Args:
              connection_id (int): A unique identifier that will refer to this connection
              connection_string (string): A DeviceAdapter specific string that can be used to connect to
                  a device using this DeviceAdapter.
              callback (callable): A function that will be called when the connection attempt finishes as
                  callback(connection_id, adapter_id, success: bool, failure_reason: string or None)