code: def fetch_identifier_component(self, endpoint_name, identifier_data, query_params=None):
          
  
          if query_params is None:
              query_params = {}
  
          identifier_input = self.get_identifier_input(identifier_data)
  
          return self._api_client.fetch(endpoint_name, identifier_input, query_params)
docs: Common method for handling parameters before passing to api_client