type io.ReadWriter

4 uses

	io (current package)
		io.go#L127: type ReadWriter interface {

	net/http
		socks_bundle.go#L294: 	Authenticate func(context.Context, io.ReadWriter, socksAuthMethod) error
		socks_bundle.go#L443: func (up *socksUsernamePassword) Authenticate(ctx context.Context, rw io.ReadWriter, auth socksAuthMethod) error {

	net/http/httputil
		reverseproxy.go#L620: 	user, backend io.ReadWriter