public Builder addKilledUnitCount(org.bwapi.proxy.messages.GameMessages.UnitTypeIntPair value) {
        if (killedUnitCountBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          ensureKilledUnitCountIsMutable();
          killedUnitCount_.add(value);
          onChanged();
        } else {
          killedUnitCountBuilder_.addMessage(value);
        }
        return this;
      }