@java.lang.Override
    protected Builder newBuilderForType(
                                        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
        Builder builder = new Builder(parent);
        return builder;
    }
<code>.com.alipay.sofa.rpc.protobuf.Group group = 2;</code>
example/src/test/java/com/alipay/sofa/rpc/protobuf/EchoRequest.java