import { OnDestroy } from '@angular/core';
import { PageFileDragHandler } from './page-file-drag-handler.service';
import * as i0 from "@angular/core";
/**
 * Prevents accidentally dropping files outside of a {@link FileDropArea}
 */
export declare class PreventFileDrop implements OnDestroy {
    private dragHandler;
    prevent: boolean | 'page';
    constructor(dragHandler: PageFileDragHandler);
    ngOnDestroy(): void;
    set gtxPreventFileDrop(val: boolean | 'true' | 'false' | 'page');
    preventAccidentalDrop(event: Event): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<PreventFileDrop, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<PreventFileDrop, "[gtxPreventFileDrop]", never, { "gtxPreventFileDrop": "gtxPreventFileDrop"; }, {}, never>;
}