public com.alipay.sofa.rpc.protobuf.Group getGroup() {
        com.alipay.sofa.rpc.protobuf.Group result = com.alipay.sofa.rpc.protobuf.Group.valueOf(group_);
        return result == null ? com.alipay.sofa.rpc.protobuf.Group.UNRECOGNIZED : result;
    }
<code>.com.alipay.sofa.rpc.protobuf.Group group = 2;</code>
example/src/test/java/com/alipay/sofa/rpc/protobuf/EchoRequest.java