/**
* @return \Closure
*/
private function getChannelTypeValidator()
{
return function ($v) {
$isExclusiveList = isset($v['type']) ? 'exclusive' === $v['type'] : null;
$elements = array();
foreach ($v['elements'] as $element) {
Configuration::appendChannelTypes($element, $isExclusiveList, $elements);
}
return array('type' => $isExclusiveList ? 'exclusive' : 'inclusive', 'elements' => $elements);
};
}
