Bucket: bucket,
				Err:    fmt.Errorf("invalid query parameter older-than %s for %s : %w", durationStr, bucket, err),
			}), r.URL)
			return
		}
	}
	resetBeforeDate := UTCNow().AddDate(0, 0, -1*int(days/24))

	objectAPI := api.ObjectAPI()
	if objectAPI == nil {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrServerNotInitialized), r.URL)
		return
	}

                               attr_value_proto->length)) {
    status->status = absl::InvalidArgumentError("Invalid AttrValue proto");
    return;
  }

  mutex_lock l(graph->mu);
  op->node.AddAttr(attr_name, attr_val);
  RecordMutation(graph, *op, "setting attribute");
}

void TF_ClearAttr(TF_Graph* graph, TF_Operation* op, const char* attr_name,
                  TF_Status* status) {