return err
	}
	return c.RouteDiff()
}

// nonstrictResolver is an AnyResolver that ignores unknown proto messages
type nonstrictResolver struct{}

var envoyResolver nonstrictResolver

func (m *nonstrictResolver) Resolve(typeURL string) (legacyproto.Message, error) {
	// See https://github.com/golang/protobuf/issues/747#issuecomment-437463120
	mname := typeURL