var net/http.ErrNotSupported

10 uses

	net/http (current package)
		h2_bundle.go#L7173: 		msg.done <- ErrNotSupported
		h2_bundle.go#L7186: 			return 0, ErrNotSupported
		request.go#L55: 	return pe == ErrNotSupported && err == errors.ErrUnsupported
		request.go#L65: 	ErrNotSupported = &ProtocolError{"feature not supported"}
		responsecontroller.go#L146: 	return fmt.Errorf("%w", ErrNotSupported)
		server.go#L3887: 	return ErrNotSupported
		transport.go#L2637: 	return fmt.Errorf("CloseWrite: %w", ErrNotSupported)

	net/http/httputil
		reverseproxy.go#L840: 	if errors.Is(hijackErr, http.ErrNotSupported) {

	golang.org/x/net/http2
		server.go#L3176: 		msg.done <- http.ErrNotSupported
		server.go#L3189: 			return 0, http.ErrNotSupported