docs: def validate_connector(self, connector):
          """Validate a given connector. Raises ValueError if the connector is not
          valid.
  
          Parameters
          ----------
          connector : dict
              Connection information
          """
          if not 'connector' in connector:
              raise ValueError('missing connector name')
          elif connector['connector'] != CONNECTOR_RABBITMQ:
              raise ValueError('unknown connector: ' + str(connector['connector']))
          # Call the connector specific validator. Will raise a ValueError if
          # given connector information is invalid
          RabbitMQConnector.validate(connector)