/**
* Search the aliases property for a matching alias key.
*
* @param string $key The key to search for.
*
* @return string
*
* @since 1.0
*/
protected function resolveAlias($key)
{
if (isset($this->aliases[$key])) {
return $this->aliases[$key];
}
if ($this->parent instanceof Container) {
return $this->parent->resolveAlias($key);
}
return $key;
}
