import { Observable } from 'rxjs';
import * as i0 from "@angular/core";
export declare class SignpostIdService {
    private _id;
    get id(): Observable<string>;
    setId(id: string): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<SignpostIdService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<SignpostIdService>;
}