/**
* Removes one or more values.
*
* @param array|string $keys
* @return self
*/
public function remove($keys)
{
Arr::remove($this->values, $keys);
$this->dirty = true;
return $this;
}
/**
* Unset a value.
* @param string $key
*/
public function offsetUnset($key)
{
$config = $this->getConfig();
Arr::remove($config, $key);
}