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