export declare class FileUtils {
    private static _DefaultTmpDir?;
    static MakeDirExisted(path: string, type?: 'file' | 'dir'): string;
    static RemoveFilesDirs(...paths: string[]): void;
    static Existed(path: string): boolean | 'url';
    static get UniqueName(): string;
    static GetNewTempPath(ext?: string, ...subPaths: string[]): string;
    private static _TempPathThenClean;
    static GetNewTempPathThenClean(ext?: string, ...subPaths: string[]): string;
    static CleanTempPath(): void;
}