/// <reference types="node" />
import * as fs from 'fs';
export default class FileUtil {
    static copyFile(source: string, destination: string): Promise<void>;
    static copyFolder(source: string, destination: string): Promise<void>;
    static deleteFileOrDirectory: (filePath: string) => void;
    static readFile(filePath: string, nobuffer?: any): Promise<any>;
    static readDirectory(directoryPath: string, fileCallback?: (filePath: string) => void): Promise<void>;
    static writeFile(filePath: string, content: any, options?: fs.WriteFileOptions): Promise<void>;
    static exists(filePath: string, create?: boolean): Promise<boolean>;
    static getSuffix(url: string): string | null;
}