code: protected boolean isIndexed(InternalQName propertyName)
     {
        if (indexingConfig == null)
        {
           return true;
        }
        else
        {
           return indexingConfig.isIndexed(node, propertyName);
        }
     }
docs: Returns <code>true</code> if the property with the given name should be
  indexed.
  
  @param propertyName name of a property.
  @return <code>true</code> if the property should be fulltext indexed;
  <code>false</code> otherwise.