import { EventEmitter, ElementRef, Renderer2, OnInit, OnDestroy, NgZone } from '@angular/core';
import * as i0 from "@angular/core";
export declare class TdFileDropBase {
}
export declare class TdFileDropDirective implements OnInit, OnDestroy {
    private _renderer;
    private _element;
    private _ngZone;
    private _multiple;
    private _dragenterListener?;
    private _dragleaveListener?;
    private _dragoverListener?;
    /**
     * multiple?: boolean
     * Sets whether multiple files can be dropped at once in host element, or just a single file.
     * Can also be 'multiple' native attribute.
     */
    set multiple(multiple: boolean | string);
    disabled?: boolean | undefined;
    /**
     * fileDrop?: function
     * Event emitted when a file or files are dropped in host element after being validated.
     * Emits a [FileList | File] object.
     */
    fileDrop: EventEmitter<FileList | File>;
    /**
     * Binds native 'multiple' attribute if [multiple] property is 'true'.
     */
    get multipleBinding(): string | undefined;
    /**
     * Binds native 'disabled' attribute if [disabled] property is 'true'.
     */
    get disabledBinding(): string | undefined;
    constructor(_renderer: Renderer2, _element: ElementRef<HTMLElement>, _ngZone: NgZone);
    ngOnInit(): void;
    ngOnDestroy(): void;
    /**
     * Listens to 'drop' host event to get validated transfer items.
     * Emits the 'fileDrop' event with a [FileList] or [File] depending if 'multiple' attr exists in host.
     * Stops event propagation and default action from browser for 'drop' event.
     */
    onDrop(event: Event): void;
    /**
     * Validates if the transfer item types are 'Files'.
     */
    private _typeCheck;
    private _stopEvent;
    static ɵfac: i0.ɵɵFactoryDeclaration<TdFileDropDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<TdFileDropDirective, "[tdFileDrop]", never, { "multiple": { "alias": "multiple"; "required": false; }; "disabled": { "alias": "disabled"; "required": false; }; }, { "fileDrop": "fileDrop"; }, never, never, true, never>;
}