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