// just for develop export default { exists, read, readBytes, write, dir, stat, find, remove, rename, copy, cache } function exists(filename: string): boolean { return false } function read(filename: string): string { return '' } function readBytes(filename: string): any { return null } function write(filename: string, data: any): void { } function dir(filename: string): Array { return null as any } function stat(filename: string): FileInfo { return null as any } function find(filename: string): string { return '' } function remove(filename: string): void { } function rename(from: string, to: string): void { } function copy(from: string, to: string): void { } function cache(filename: string, isCompress: boolean): void { } interface FileInfo { name: string fullName: string isDir: boolean size: number modTime: number }