import { Observable } from 'rxjs';
import * as i0 from "@angular/core";
export declare class MemoizerService {
    memoize(local?: any, timeout?: number): {
        once(action: Observable<any>): Observable<any>;
        withRetry(action: Observable<any>): Observable<any>;
        reset(): void;
    };
    static ɵfac: i0.ɵɵFactoryDeclaration<MemoizerService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<MemoizerService>;
}