/* Copyright IBM Corp. 2018 */
import { OnDestroy } from '@angular/core';
import { ReplaySubject, Observable } from 'rxjs';
import { RenderingContext, RenderingContextProvider, SitePage } from './../../../api';
import { WchService } from './../../services/wch.service';
import { AbstractLifeCycleComponent } from './../rendering/abstract.lifecycle.component';
/**
 * Combines the active pieces of the state into one single object
 */
export declare type ComponentState = [RenderingContext, string];
export declare class PagerefComponent extends AbstractLifeCycleComponent implements OnDestroy, RenderingContextProvider {
    sitePage: SitePage;
    layoutMode: string;
    levels: string | number | null | undefined;
    readonly onRenderingContext: Observable<RenderingContext>;
    readonly onComponent: ReplaySubject<any>;
    readonly onLayoutMode: Observable<string>;
    /**
     * The component state
     */
    readonly onState: Observable<ComponentState>;
    constructor(aWchService: WchService);
    ngOnDestroy(): void;
}