@Override
  public synchronized char[] readCharArray(String fieldName) {
    return super.readCharArray(fieldName);
  }
Any fields that are in otherFields but not in myFields are added to myFields as defaults. When
adding fields they are inserted in the natural sort order. Note: myFields may be modified by
this call.
geode-core/src/main/java/org/apache/geode/pdx/internal/PdxInstanceImpl.java