type FileDescription = { filename: string; label: string; value: string; }; export declare const isDir: (path_or_url: string) => boolean; export declare class File { protected static readonly supportedFormats: string[]; static listInvalidConventionFiles(path: string, regex: RegExp): FileDescription[]; static listValidConventionFiles(path: string, regex: RegExp): FileDescription[]; private static listValidFormatFiles; } export {};