          for filter_backend in self.view.filter_backends:
              parameters += filter_backend().get_schema_operation_parameters(self.view)
          return parameters
  
      def _allows_filters(self, path, method):
          """
          Determine whether to include filter Fields in schema.
  
          Default implementation looks for ModelViewSet or GenericAPIView
          actions/methods that cause filtering on the default implementation.
 
</s> remove     def _get_filter_parameters(self, path, method):
        if not self._allows_filters(path, method):
 </s> add     def get_filter_parameters(self, path, method):
        if not self.allows_filters(path, method): </s> remove     def _get_path_parameters(self, path, method):
 </s> add     def get_path_parameters(self, path, method): </s> remove         parameters += self._get_path_parameters(path, method)
        parameters += self._get_pagination_parameters(path, method)
        parameters += self._get_filter_parameters(path, method)
 </s> add         parameters += self.get_path_parameters(path, method)
        parameters += self.get_pagination_parameters(path, method)
        parameters += self.get_filter_parameters(path, method) </s> remove     def _get_pagination_parameters(self, path, method):
 </s> add     def get_pagination_parameters(self, path, method): </s> remove         request_body = self._get_request_body(path, method)
 </s> add         request_body = self.get_request_body(path, method)
    def allows_filters(self, path, method):
          for filter_backend in self.view.filter_backends:
              parameters += filter_backend().get_schema_operation_parameters(self.view)
          return parameters
  
    def allows_filters(self, path, method):
          """
          Determine whether to include filter Fields in schema.
  
          Default implementation looks for ModelViewSet or GenericAPIView
          actions/methods that cause filtering on the default implementation.
keep keep keep keep replace keep keep keep keep keep
 Convert openapi.AutoSchema methods to public API. 
rest_framework/schemas/openapi.py