import { Observable } from 'rxjs';
import * as i0 from "@angular/core";
export declare class TuiElasticStickyService extends Observable<number> {
    private readonly injector;
    private readonly el;
    private readonly scrollRef;
    private readonly destroyRef;
    private readonly zone;
    constructor();
    private get host();
    private get offsetTop();
    private get pinned();
    static ɵfac: i0.ɵɵFactoryDeclaration<TuiElasticStickyService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<TuiElasticStickyService>;
}