@Override
  public synchronized int updateEntrySize(final EvictionController evictionController,
      final Object value) {
    int oldSize = getEntrySize();
    int newSize = evictionController.entrySize(getKeyForSizing(), value);
    setEntrySize(newSize);
    int delta = newSize - oldSize;
    return delta;
  }
Do not modify this class. It was generated. Instead modify LeafRegionEntry.cpp and then run
./dev-tools/generateRegionEntryClasses.sh (it must be run from the top level directory).
geode-core/src/main/java/org/apache/geode/internal/cache/entries/VMStatsLRURegionEntryHeapLongKey.java