import * as i0 from "@angular/core";
export declare class StorageService {
    isBrowser: boolean;
    prefix: string;
    constructor(platformId: Object);
    set(key: string, value: any): void;
    get(key: string): any;
    remove(key: string): void;
    exists(key: string): boolean;
    private key;
    static ɵfac: i0.ɵɵFactoryDeclaration<StorageService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<StorageService>;
}