import { ElementRef } from '@angular/core';
import { ScrollbarService } from '../services/scrollbar.service';
import { WindowService } from '../services/window.service';
import { ManageVisibility } from '../models/manage-visibility.class';
import { ParallaxConfig } from '../models/cbj-scroll.models';
export declare class CbjParallaxDirective extends ManageVisibility {
    el: ElementRef;
    scroll: ScrollbarService;
    window: WindowService;
    config: ParallaxConfig;
    constructor(el: ElementRef, scroll: ScrollbarService, window: WindowService);
    ngOnInit(): void;
    /**
     * check for visibility of element
     */
    manageVisibility(): void;
}