import { PghIndicatorPersistData } from './indicator.models';
import * as i0 from "@angular/core";
export type PghIndicatorPersistServiceSavedData = {
    persistId: string;
    expirationDate: Date;
};
export declare class PghIndicatorPersistService {
    private localStorageFactory;
    constructor();
    persist({ persistId, persistDays }: PghIndicatorPersistData): void;
    private static getKey;
    getPersistData(persistId: string): PghIndicatorPersistServiceSavedData | undefined;
    static ɵfac: i0.ɵɵFactoryDeclaration<PghIndicatorPersistService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<PghIndicatorPersistService>;
}