@Override
    public void toData(PdxWriter writer) {
      writer.writeString("base", base);
      writer.writeString("value", value);
      writer.markIdentityField("base");
    }
This class has an equals that does not compare all its bytes.
geode-core/src/integrationTest/java/org/apache/geode/internal/offheap/OffHeapRegionBase.java