import { EventEmitter, ElementRef } from '@angular/core';
export declare class FileDropDirective {
    enableDrop: boolean;
    isSingle: boolean;
    fileOver: EventEmitter<any>;
    fileDrop: EventEmitter<File[]>;
    protected element: ElementRef;
    constructor(element: ElementRef);
    onDrop(event: any): void;
    onDragOver(event: any): void;
    onDragLeave(event: any): any;
    protected _getTransfer(event: any): any;
    protected _preventAndStop(event: any): any;
    protected _haveFiles(types: any): any;
}