/**
* {@inheritdoc}
*
* @param string $key Configuration item key name
*
* @return bool
* @codeCoverageIgnore
*/
public function delete($key)
{
if (isset($this->cache[$key])) {
// unset($this->cache[$key]);
Arr::delete($this->cache, $key);
}
return Arr::delete($this->data, $key);
}
