import { AfterViewInit, DoCheck, ElementRef, NgZone, OnDestroy, Renderer2 } from '@angular/core';
import { TreeDraggedElement } from '../models/tree-dragged-element.model';
import * as i0 from "@angular/core";
export declare class TreeDragDirective implements AfterViewInit, DoCheck, OnDestroy {
    private el;
    private renderer;
    private treeDraggedElement;
    private ngZone;
    draggedElement: any;
    treeDragEnabled: any;
    private readonly dragEventHandler;
    constructor(el: ElementRef, renderer: Renderer2, treeDraggedElement: TreeDraggedElement, ngZone: NgZone);
    ngAfterViewInit(): void;
    ngDoCheck(): void;
    ngOnDestroy(): void;
    onDragStart(ev: any): void;
    onDrag(ev: any): void;
    onDragEnd(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<TreeDragDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<TreeDragDirective, "[treeDrag]", never, { "draggedElement": { "alias": "treeDrag"; "required": false; }; "treeDragEnabled": { "alias": "treeDragEnabled"; "required": false; }; }, {}, never, never, false, never>;
}