import React from 'react';
import { UploadFile } from 'antd/es/upload/interface';
import '../style/fileItem.less';
/**
 * @description: b 转成 Kb
 * @param {*} num
 * @return {*}
 */
export declare const bToKb: (num: any) => string;
/**
 * @description: 获取文件后缀名
 * @param {*} fileName
 * @return {*}
 */
export declare const getFileExt: (fileName: string) => string;
/**
 * @description: 根据文件扩展名获取图标地址
 * @param {string} fileExt
 * @return {*}
 */
export declare const getFileIcon: (fileExt: string) => any;
interface FileItemProps {
    file: UploadFile;
    hideFileIcon?: boolean;
    showRemoveIcon?: boolean;
    onRemove?: Function;
    onDownload?: Function;
    onPreview?: Function;
    disabled?: boolean;
}
declare const FileItem: React.FC<FileItemProps>;
declare const DragSingleFileItem: React.FC<FileItemProps>;
export { DragSingleFileItem, FileItem };