type io.Closer

15 uses

	io (current package)
		io.go#L107: type Closer interface {
		io.go#L139: 	Closer
		io.go#L145: 	Closer
		io.go#L152: 	Closer
		io.go#L166: 	Closer

	crypto/cipher
		io.go#L49: 	if c, ok := w.W.(io.Closer); ok {

	github.com/gotd/td/telegram
		download.go#L64: func (d downloadClient) CDN(ctx context.Context, dc int, max int64) (downloader.CDN, io.Closer, error) {

	github.com/gotd/td/telegram/downloader
		cdn.go#L49: 	closer      io.Closer
		client.go#L30: 	CDN(ctx context.Context, dc int, max int64) (CDN, io.Closer, error)

	go.uber.org/multierr
		error.go#L568: func Close(closer io.Closer) Invoker {

	mime/multipart
		formdata.go#L291: 	io.Closer
		formdata.go#L298: 	io.Closer

	net/http
		fs.go#L114: 	io.Closer
		response.go#L281: 				io.Closer
		transfer.go#L64: 	BodyCloser       io.Closer