/* Copyright IBM Corp. 2018 */
import { AfterViewInit, ElementRef, OnDestroy, Renderer2 } from '@angular/core';
import { Observable } from 'rxjs';
import { RenderingContext } from './../../../api';
import { WchService } from './../../services/wch.service';
import { QueryInput } from './../../utils/url.utils.ifaces';
import { AbstractLifeCycleComponent } from './../rendering/abstract.lifecycle.component';
export declare class ContentQueryComponent extends AbstractLifeCycleComponent implements AfterViewInit, OnDestroy {
    layoutMode: string;
    query: QueryInput;
    levels: string | number | null | undefined;
    readonly onLayoutMode: Observable<string>;
    readonly onRenderingContexts: Observable<RenderingContext[]>;
    readonly onNumFound: Observable<number>;
    constructor(aRenderer: Renderer2, aElement: ElementRef, aWchService: WchService);
    ngAfterViewInit(): void;
    ngOnDestroy(): void;
}