code: @Override
      public <Y> SingularAttribute<X, Y> getDeclaredVersion(Class<Y> paramClass)
      {
          // TODO: Versioning not yet supported.
          throw new UnsupportedOperationException("Method not supported");
      }
docs: /*
  (non-Javadoc)
  
  @see
  javax.persistence.metamodel.IdentifiableType#getDeclaredVersion(java.
  lang.Class)