pkg net/http, type File interface, Seek(int64, int) (int64, error)
pkg net/http, type File interface, Stat() (os.FileInfo, error)
pkg net/http, type FileSystem interface { Open }
pkg net/http, type FileSystem interface, Open(string) (File, error)
pkg net/http, type Flusher interface { Flush }
pkg net/http, type Flusher interface, Flush()
pkg net/http, type Handler interface { ServeHTTP }

pkg io/fs, var ErrNotExist error
pkg io/fs, var ErrPermission error
pkg io/fs, var SkipDir error
pkg log, func Default() *Logger
pkg net, var ErrClosed error
pkg net/http, func FS(fs.FS) FileSystem
pkg net/http, type Transport struct, GetProxyConnectHeader func(context.Context, *url.URL, string) (Header, error)
pkg os, const ModeAppend fs.FileMode
pkg os, const ModeCharDevice fs.FileMode

	}
	tw.curr = &regFileWriter{tw.w, size}
	tw.pad = blockPadding(size)
	return nil
}

// AddFS adds the files from fs.FS to the archive.
// It walks the directory tree starting at the root of the filesystem
// adding each file to the tar archive while maintaining the directory structure.
func (tw *Writer) AddFS(fsys fs.FS) error {
	return fs.WalkDir(fsys, ".", func(name string, d fs.DirEntry, err error) error {

		w.compressors = make(map[uint16]Compressor)
	}
	w.compressors[method] = comp
}

// AddFS adds the files from fs.FS to the archive.
// It walks the directory tree starting at the root of the filesystem
// adding each file to the zip using deflate while maintaining the directory structure.
func (w *Writer) AddFS(fsys fs.FS) error {
	return fs.WalkDir(fsys, ".", func(name string, d fs.DirEntry, err error) error {

The [CopyFS] function copies an [io/fs.FS] into the local filesystem....