func New(fs http.FileSystem, t time.Time) http.FileSystem {
	return &timefs{fs: fs, t: t}
}
func New(fs http.FileSystem, t time.Time) http.FileSystem {
	return &timefs{fs: fs, t: t}
}
func New ( fs http . FileSystem , t time . Time ) http . FileSystem { return & timefs { fs : fs , t : t } }
// New returns a file system that returns constant modification time for all files.
New returns a file system that returns constant modification time for all files .