import * as i0 from "@angular/core";
export declare class LocalStorageService {
    #private;
    private platformId;
    private document;
    constructor();
    readonly data$: import("rxjs").Observable<{
        key: string;
        data: any;
    } | null>;
    setItem(key: string, data: any): void;
    getItem(key: string): any;
    removeItem(key: string): void;
    clear(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<LocalStorageService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<LocalStorageService>;
}