/// <reference types="node" />
import { AsyncLocalStorage } from 'async_hooks';
export interface RequestContext {
    [key: string]: string | string[] | undefined;
}
declare class ContextAsyncHooksClass {
    private static instance;
    asyncLocalStorage: AsyncLocalStorage<any>;
    private constructor();
    getExpressMiddlewareTracking(config?: {
        responseHeaderPropagator?: 'cid' | 'traceparent';
    }): any;
    setContext(data: RequestContext): void;
    getTrackId(contextParam?: RequestContext): RequestContext;
    getTraceParent(): string;
    private getTraceIdFromTraceParent;
    private buildTraceParent;
    getContext(): RequestContext | undefined;
    static getInstance(): ContextAsyncHooksClass;
}
export declare const ContextAsyncHooks: ContextAsyncHooksClass;
export {};
//# sourceMappingURL=ContextAsyncHooks.d.ts.map