import { ElementRef, NgZone, Renderer2, AfterViewInit, OnDestroy } from '@angular/core';
import { DataTableComponent } from '../datatable.component';
export declare class DragColumnDirective implements AfterViewInit, OnDestroy {
    dt: DataTableComponent;
    ngzone: NgZone;
    el: ElementRef;
    render: Renderer2;
    resizer: HTMLSpanElement;
    resizerMouseDownListener: any;
    documentMouseMoveListener: any;
    documentMouseUpListener: any;
    constructor(dt: DataTableComponent, ngzone: NgZone, el: ElementRef, render: Renderer2);
    ngAfterViewInit(): void;
    isEnable(): boolean;
    bindDocumentEvents(): void;
    unbindDocumentEvents(): void;
    onMouseDown(event: Event): void;
    onMouseMove(event: Event): void;
    onMouseUp(event: Event): void;
    ngOnDestroy(): void;
}