import { Subject } from 'rxjs';
import * as i0 from "@angular/core";
export declare class DestroyedSubject extends Subject<void> {
    constructor();
    static ɵfac: i0.ɵɵFactoryDeclaration<DestroyedSubject, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<DestroyedSubject>;
}