code: @Override
      public Iterator<String> getEnclosingValidatorIds()
      {
          if (_enclosingValidatorIdsStack != null && !_enclosingValidatorIdsStack.isEmpty())
          {
              return new KeyEntryIterator<String, EditableValueHolderAttachedObjectHandler>
                  (_enclosingValidatorIdsStack.iterator()); 
          }
          return null;
      }
docs: Gets all validationIds on the stack.
  @return
  @since 2.0