public EchoRequest build() {
            EchoRequest result = buildPartial();
            if (!result.isInitialized()) {
                throw newUninitializedMessageException(result);
            }
            return result;
        }
Protobuf type {@code com.alipay.sofa.rpc.server.bolt.pb.EchoRequest}
test/test-integration/src/test/java/com/alipay/sofa/rpc/server/bolt/pb/EchoRequest.java