import { OnDestroy } from '@angular/core';
import { Subject } from 'rxjs';
import * as i0 from "@angular/core";
/**
 * @deprecated Use the `DestroyService` instead
 */
export declare class WithSubscriptions implements OnDestroy {
    protected readonly ngUnsubscribe: Subject<void>;
    ngOnDestroy(): void;
    protected unsubscribe(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<WithSubscriptions, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<WithSubscriptions>;
}
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