 	[RemoteClass] public class ColumnTreeNode extends WeaveTreeItem implements IWeaveTreeNode, IColumnReference
 	{
 		/**
-		 * The following properties are used for equality comparison:<br>
+		 * The following properties are used for equality comparison, in addition to node class definitions:<br>
 		 * <code>source, data, idFields, columnMetadata</code><br>
 		 * The following properties are used by ColumnTreeNode but not for equality comparison:<br>
 		 * <code>label, children, isBranch, hasChildBranches</code><br>

*/
package weave.data.hierarchy
{
    import weave.api.data.ColumnMetadata;
    import weave.api.data.IColumnReference;
    import weave.api.data.IDataSource;

		 */
		public function getDataSource():IDataSource
		{
			return source as IDataSource;
		}
		
		/**
