import { ElementRef, Renderer2, EventEmitter, OnChanges, SimpleChanges } from '@angular/core';
import { DragNDropService } from '../../services/dragndrop.service';
export declare class DropzoneDirective implements OnChanges {
    private el;
    private renderer;
    private service;
    group: string;
    id: string;
    name: string;
    state: string;
    stateChange: EventEmitter<{}>;
    event: EventEmitter<{}>;
    private model;
    private timers;
    constructor(el: ElementRef, renderer: Renderer2, service: DragNDropService);
    ngOnInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    ngOnDestroy(): void;
    private updateItem;
    clear(e: any): void;
    private checkState;
}