public Builder mergeFrom(com.alipay.sofa.rpc.protobuf.EchoResponse other) {
            if (other == com.alipay.sofa.rpc.protobuf.EchoResponse.getDefaultInstance())
                return this;
            if (other.getCode() != 0) {
                setCode(other.getCode());
            }
            if (!other.getMessage().isEmpty()) {
                message_ = other.message_;
                onChanged();
            }
            onChanged();
            return this;
        }
Protobuf type {@code com.alipay.sofa.rpc.protobuf.EchoResponse}
example/src/test/java/com/alipay/sofa/rpc/protobuf/EchoResponse.java