import { EventBus } from "./EventBus";
export interface Disposable {
    dispose?(): void;
}
export declare class DependencyTree {
    items: Set<Disposable>;
    dependents: WeakMap<Disposable, Set<Disposable>>;
    dependencies: WeakMap<Disposable, Set<Disposable>>;
    invalidations: EventBus<Disposable>;
    activityChanged: EventBus<any>;
    add(origin: any): void;
    register(origin: any, dependency: any): void;
    private addDependency;
    private addDependent;
    getDependencies(origin: any): Set<Disposable>;
    getDependents(origin: any): Set<Disposable>;
    remove(origin: any): void;
    autoClearCache: AutoClearCache;
    invalidate(origin: any, force?: boolean): void;
    has(origin: any): boolean;
}
declare class AutoClearCache {
    cache: Set<any>;
    clearId: any;
    add(key: any): void;
    has(key: any): boolean;
}
export {};