import { IAsyncOptions, IAsyncScope, ISizeProfile } from './types';
export declare class AsyncScope implements IAsyncScope {
    static debug(msg: string, ...args: Array<any>): void;
    private asyncMap;
    private nodeExpiration;
    private purgeInterval;
    private maxSize;
    private lastPurge;
    private previousId;
    private asyncHooks;
    constructor({nodeExpiration, purgeInterval, maxSize, asyncHooks}?: IAsyncOptions);
    get<T>(key: string): T | null;
    set<T>(key: string, value: T): void;
    delete(key: string): void;
    lineage(): Array<number>;
    size(): ISizeProfile;
    private _ensureNode(asyncId);
    private _addNode(asyncId, parentId);
    private _purge();
}