public function intersect( common_Collection $collection)
    {
        $returnValue = null;

        
         $returnValue = new core_kernel_classes_ContainerCollection(new common_Object(__METHOD__));
         $returnValue->sequence = array_uintersect($this->sequence, $collection->sequence, 'core_kernel_classes_ContainerComparator::compare');
        

        return $returnValue;
    }