{
            return this._collection.splice(index, 1)[0];
        }
        
        /**
            Removes only the specified items in a list.
            
            @param items: List of elements to remove.
            @return Returns <code>true</code> if the list was changed as a result of the call; otherwise <code>false</code>.
        */
        public function removeItems(items:IList):Boolean {
            return ArrayUtil.removeItems(this._collection, items.toArray());
        }
        
        