private void ensureDeadUnitCountIsMutable() {
        if (!((bitField0_ & 0x00020000) == 0x00020000)) {
          deadUnitCount_ = new java.util.ArrayList<org.bwapi.proxy.messages.GameMessages.UnitTypeIntPair>(deadUnitCount_);
          bitField0_ |= 0x00020000;
         }
      }