public static function setDefaultCriteriaFilter()
 {
     if (self::$s_criteria_filter == null) {
         self::$s_criteria_filter = new criteriaFilter();
     }
     $c = new Criteria();
     $c->add(self::DELETED_AT, null, Criteria::EQUAL);
     $c->add(self::STATUS, ConversionProfileStatus::DELETED, Criteria::NOT_EQUAL);
     self::$s_criteria_filter->setFilter($c);
 }