docs: def request_type(self):
          """Retrieve the type of the request, by fetching it from
          `xenon.proto.xenon_pb2`."""
          if self.static and not self.uses_request:
              return getattr(xenon_pb2, 'Empty')
  
          if not self.uses_request:
              return None
  
          return getattr(xenon_pb2, self.request_name)