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