export interface IRefereeTarget {
    referee: Referee<IRefereeTarget>;
}
export declare class Referee<T> {
    readonly target: T;
    private _references;
    readonly instantiatedAt: Date;
    readonly uid: string;
    constructor(target: T);
    readonly references: any[];
    addReference(reference: any): {
        dispose: () => void;
    };
    removeReference(reference: any): void;
}
export interface IGarbageCollectorOptions {
    collect: (() => Referee<any>[]) | Referee<any>[];
    remove?: (item: Referee<any>) => any;
    interval?: number;
}
export declare const DEFAULT_GC_INTERVAL = 1000;
export declare class GarbageCollector {
    readonly collect: () => Referee<any>[];
    interval: number;
    private _remove;
    constructor({collect, remove, interval}: IGarbageCollectorOptions);
    cleanupOrphans(timeago?: number): void;
    private _deferCleanup();
}