public Builder setRequiredTech(
          org.bwapi.proxy.messages.GameMessages.TechType.Builder builderForValue) {
        if (requiredTechBuilder_ == null) {
          requiredTech_ = builderForValue.build();
          onChanged();
        } else {
          requiredTechBuilder_.setMessage(builderForValue.build());
        }
        bitField0_ |= 0x00000080;
        return this;
      }