public Builder setSupplyProvider(
          org.bwapi.proxy.messages.GameMessages.UnitType.Builder builderForValue) {
        if (supplyProviderBuilder_ == null) {
          supplyProvider_ = builderForValue.build();
          onChanged();
        } else {
          supplyProviderBuilder_.setMessage(builderForValue.build());
        }
        bitField0_ |= 0x00000040;
        return this;
      }