import * as i0 from "@angular/core";
/**
 * Utility functions related to browser localStorage object.
 */
export declare class LocalStorageService {
    protected platformId: Object;
    constructor(platformId: Object);
    get hasStorage(): boolean;
    /**
     * Returns browser localStorage object.
     * Returns null if the localStorage object is not available or not accessible.
     */
    get localStorage(): (Storage | null);
    get length(): number;
    key(index: number): (string | null);
    getItem(key: string): (string | null);
    get(key: string): (any | null);
    setItem(key: string, value: string): void;
    set(key: string, value: any): void;
    removeItem(key: string): void;
    remove(key: string): void;
    clear(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<LocalStorageService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<LocalStorageService>;
}