 		 * @return A value of true if the callbacks for the linkableObject have triggered since the last time this function was called
 		 *         with the same observer and linkableObject parameters.
 		 */
-		public static function _internalDetectChange(observer:Object, linkableObject:ILinkableObject, clearChangedNow:Boolean = true):Boolean
+		private static function _internalDetectChange(observer:Object, linkableObject:ILinkableObject, clearChangedNow:Boolean = true):Boolean
 		{
 			var previousCount:* = d2d_linkableObject_observer_triggerCounter.get(linkableObject, observer); // untyped to handle undefined value
 			var newCount:uint = WeaveAPI.SessionManager.getCallbackCollection(linkableObject).triggerCounter;

		/**
		 * For testing purposes.
		 */
		public function populateColumns():void
		{
			var RefCol:Class = Weave.getDefinition('ReferencedColumn');
			var ExtDynCol:Class = Weave.getDefinition('ExtendedDynamicColumn');

		/**
		 * For testing purposes.
		 */
		private function triggerColumns():void
		{
			triggerAll('ReferencedColumn');
		}
