import { ElementRef, EventEmitter, NgZone, OnDestroy, OnInit, Renderer2 } from '@angular/core';
export declare class ColumnResizerDirective implements OnInit, OnDestroy {
    private el;
    private renderer;
    ngzone: NgZone;
    enableDrag: boolean;
    columnIndex: number;
    private resizeBar;
    resizerMouseDownListener: any;
    private isDragging;
    private destroyListeners;
    parentWidth: any;
    resizeStart: EventEmitter<any>;
    resizeMove: EventEmitter<any>;
    resizeEnd: EventEmitter<any>;
    constructor(el: ElementRef, renderer: Renderer2, ngzone: NgZone);
    ngOnInit(): void;
    /**
     * 拖拽条——鼠标按下事件
     * @param event
     */
    onMouseDown(event: MouseEvent): void;
    private getColumnWidth;
    private startDragging;
    private onMouseMove;
    private stopDragging;
    ngOnDestroy(): void;
}