 	 * @author adufilie
 	 */
 	public final class QKeyManager implements IQualifiedKeyManager
-	{
+	{
+		private var _callbackCollection:ICallbackCollection = getCallbackCollection(this as ILinkableObject);
+		
 		/**
 		 * Get the QKey object for a given key type and key.
 		 *

					refList.push(refHash); // append
			}
			
			getCallbackCollection(this).triggerCallbacks();
		}
		
		/**

			if (qkey == null)
			{
				// QKey not created for this key yet (or it has been garbage-collected)
				qkey = new QKey(keyType, localName);
				qkeyRef[qkey] = null; //save weak reference
				
				// trigger callbacks whenever a new key is created
				_callbackCollection.triggerCallbacks();
			}
			
			return qkey;
