public com.alipay.sofa.rpc.protobuf.EchoResponse build() {
            com.alipay.sofa.rpc.protobuf.EchoResponse result = buildPartial();
            if (!result.isInitialized()) {
                throw newUninitializedMessageException(result);
            }
            return result;
        }
Protobuf type {@code com.alipay.sofa.rpc.protobuf.EchoResponse}
example/src/test/java/com/alipay/sofa/rpc/protobuf/EchoResponse.java