import { EventEmitter, ElementRef, NgZone, Renderer2, OnInit, OnDestroy } from '@angular/core';
import { IDropEvent } from '../interfaces/IDropEvent';
import { DragNDropService } from '../services/drag-n-drop.service';
export declare class DroppableDirective implements OnInit, OnDestroy {
    protected el: ElementRef;
    private renderer;
    private service;
    private zone;
    private dragData;
    private enabled;
    private dragStartSubscription;
    private dragEndSubscription;
    private unbindDragEnterListener;
    private unbindDragOverListener;
    private unbindDragLeaveListener;
    onDragEnter: EventEmitter<any>;
    onDragOver: EventEmitter<any>;
    onDragLeave: EventEmitter<any>;
    onDrop: EventEmitter<IDropEvent>;
    dragOverClass: string;
    dragHintClass: string;
    dropData: any;
    dropScope: string | Array<string> | Function;
    dropEnabled: boolean;
    constructor(el: ElementRef, renderer: Renderer2, service: DragNDropService, zone: NgZone);
    ngOnInit(): void;
    ngOnDestroy(): void;
    dragEnter(ev: any): void;
    dragOver(ev: any): void;
    drop(ev: any): void;
    allowDrop(): boolean;
    dragLeave(e: any): void;
    subscribe(): void;
    unsubscribe(): void;
    unbindDragListeners(): void;
}