public Object getRawValue() {
    Object value = basicGetEntry().getValue((RegionEntryContext) getRegion());
    if (value == null) {
      throw new EntryDestroyedException(getRegionEntry().getKey().toString());
    } else if (Token.isInvalid(value)) {
      return null;
    }

    return value;
  }
To get the value from region in serialized form

@return {@link VMCachedDeserializable}
geode-core/src/main/java/org/apache/geode/internal/cache/NonTXEntry.java