private void ensureCompletedUnitCountIsMutable() {
        if (!((bitField0_ & 0x00008000) == 0x00008000)) {
          completedUnitCount_ = new java.util.ArrayList<org.bwapi.proxy.messages.GameMessages.UnitTypeIntPair>(completedUnitCount_);
          bitField0_ |= 0x00008000;
         }
      }