 		private var _root:ILinkableHashMap = WeaveAPI.globalHashMap;
 		
 		/**
-		 * attributeHierarchy
 		 * @return An AttributeHierarchy object that will be updated when new pieces of the hierarchy are filled in.
 		 */
 		private const _attributeHierarchy:AttributeHierarchy = newLinkableChild(this, AttributeHierarchy);

package weave.data.DataSources
{
	import weave.api.WeaveAPI;
	import weave.api.core.IDisposableObject;
	import weave.api.core.ILinkableHashMap;
	import weave.api.core.ILinkableObject;
	import weave.api.data.ColumnMetadata;

		
		
		/**
		 * @param subtreeNode A node in the hierarchy representing the root of the subtree to initialize, or null to initialize the root of the hierarchy.
		 */
		public function initializeHierarchySubtree(subtreeNode:XML = null):void
