import { OnDestroy } from '@angular/core';
import { Subject } from 'rxjs';
import * as i0 from "@angular/core";
export declare class Destroy implements OnDestroy {
    protected destroyed$: Subject<void>;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<Destroy, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<Destroy, never, never, {}, {}, never, never, false>;
}