@opencensus/core
Version:
OpenCensus is a toolkit for collecting application performance and behavior data.
26 lines (25 loc) • 1.03 kB
TypeScript
/**
* Copyright 2019, OpenCensus Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { SpanContext } from '../model/types';
import { HeaderGetter, HeaderSetter, Propagation } from './types';
/** No-op implementation of Propagation */
declare class NoopPropagation implements Propagation {
extract(getter: HeaderGetter): SpanContext | null;
inject(setter: HeaderSetter, spanContext: SpanContext): void;
generate(): SpanContext;
}
export declare const noopPropagation: NoopPropagation;
export {};