import { ElementRef, EventEmitter } from '@angular/core';
import { Destroyable } from '@ts-core/common';
export declare class ScrollDirective extends Destroyable {
    static INITIALIZATION_DELAY: number;
    scrolled: EventEmitter<number>;
    delay: number;
    private timer;
    protected element: HTMLElement;
    protected isInitialized: boolean;
    protected _scrollValue: number;
    constructor(element: ElementRef);
    protected initialize(): void;
    protected scrollTo(value: number): void;
    private scrollHandler;
    private scrollChanged;
    protected scrollChangedHandler(): void;
    protected initializeHandler: () => void;
    protected get scrollTop(): number;
    destroy(): void;
    set scrollValue(value: number);
    get scrollValue(): number;
}