public int getNewValSizeForPR() {
    int newSize = 0;
    Object v = basicGetNewValue();
    if (v != null) {
      try {
        newSize = CachedDeserializableFactory.calcSerializedSize(v)
            + CachedDeserializableFactory.overhead();
      } catch (IllegalArgumentException iae) {
        logger.warn("DataStore failed to calculate size of new value",
            iae);
        newSize = 0;
      }
    }
    return newSize;
  }
Compute an estimate of the size of the new value for a PR. Since PR's always store values in a
cached deserializable we need to compute its size as a blob.

@return the size of serialized bytes for the new value
geode-core/src/main/java/org/apache/geode/internal/cache/EntryEventImpl.java