/**
* Release key
*
* @param string $key
* @return boolean
* @throws \InvalidArgumentException
*/
public function release($key)
{
$key = $this->string()->toUpper($key);
if (!$this->dictionary->has($key)) {
return true;
}
$entity = $this->dictionary->get($key);
$this->dictionary->delete($key);
return $this->adaptor()->release($entity);
}