public function visitFilter(Criterion $criterion, Dispatcher $dispatcher, array $languageFilter) { $start = $this->getNativeTime($criterion->value[0]); $end = isset($criterion->value[1]) ? $this->getNativeTime($criterion->value[1]) : null; return array('range' => array('modified_dt' => $this->getFilterRange($criterion->operator, $start, $end))); }