/**
 * @license
 *-------------------------------------------------------------------------------------------
 * Copyright © 2026 Progress Software Corporation. All rights reserved.
 * Licensed under commercial license. See LICENSE.md in the package root for more information
 *-------------------------------------------------------------------------------------------
 */
import { GroupedFiles } from './interfaces/FileGroup.js';
import * as React from 'react';
/**
 * @hidden
 */
export interface UploadDropZoneProps {
    addButtonComponent: any;
    fileGroup: GroupedFiles;
    disabled: boolean | undefined;
    multiple: boolean;
    onAdd: (files: FileList) => void;
}
/**
 * @hidden
 */
export declare class UploadDropZone extends React.Component<UploadDropZoneProps, {}> {
    private _documentInterval;
    private _elementInterval;
    private _lastDocumentDragOver;
    private _lastElementDragOver;
    private _documentActive;
    private _elementActive;
    private get documentActive();
    private set documentActive(value);
    private get elementActive();
    private set elementActive(value);
    componentDidMount(): void;
    componentWillUnmount(): void;
    onDocumentDragEnter: () => void;
    onDocumentDragOver: () => void;
    onElementDragEnter: () => void;
    onElementDragOver: (event: any) => void;
    onDrop: (event: any) => void;
    isDragOver: (prevDate: Date | null) => boolean;
    render(): React.JSX.Element;
}