/**
 * @license chowa v1.1.3
 *
 * Copyright (c) Chowa Techonlogies Co.,Ltd.(http://www.chowa.cn).
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
import * as React from 'react';
export interface UploadDragProps {
    disabled: boolean;
    triggerUpload: () => void;
    directory: boolean;
    appendUploadFile: (file: File) => void;
}
export interface UploadDragState {
    active: boolean;
}
declare class UploadDrag extends React.PureComponent<UploadDragProps, UploadDragState> {
    constructor(props: UploadDragProps);
    private onDragEnterHandler;
    private onDragLeaveHandler;
    private onDropHandler;
    private scanFiles;
    render(): JSX.Element;
}
export default UploadDrag;