code: protected boolean isIncludedInNodeIndex(InternalQName propertyName)
     {
        if (indexingConfig == null)
        {
           return true;
        }
        else
        {
           return indexingConfig.isIncludedInNodeScopeIndex(node, propertyName);
        }
     }
docs: Returns <code>true</code> if the property with the given name should also
  be added to the node scope index.
  
  @param propertyName the name of a property.
  @return <code>true</code> if it should be added to the node scope index;
  <code>false</code> otherwise.