public JSystemPiqi.system_response buildPartial() {
        JSystemPiqi.system_response result = new JSystemPiqi.system_response(this);
        int from_bitField0_ = bitField0_;
        int to_bitField0_ = 0;
        if (((from_bitField0_ & 0x00000001) == 0x00000001)) {
          to_bitField0_ |= 0x00000001;
        }
        result.ok_ = ok_;
        if (((from_bitField0_ & 0x00000002) == 0x00000002)) {
          to_bitField0_ |= 0x00000002;
        }
        if (errorBuilder_ == null) {
          result.error_ = error_;
        } else {
          result.error_ = errorBuilder_.build();
        }
        result.bitField0_ = to_bitField0_;
        onBuilt();
        return result;
      }