/**
* Store only the selected keys from the provided input array
*
* @param array $keys
* @param array $values
* @return \Dsc\Flash
*/
public function only(array $keys, array $values)
{
$values = \Dsc\ArrayHelper::only($values, $keys) + array_fill_keys($keys, null);
$this->store($values);
return $this;
}
