The configuration object containing custom settings.
The key to search for.
The setting name associated with the specified key, or -1 if not found or unset
Retrieves the setting name associated with the specified key.
The configuration object containing custom settings.
The key to search for.
The setting name associated with the specified key, or -1 if not found or unset
Retrieves the setting name associated with the specified key.
The configuration object containing custom settings.
The key to search for.
The setting name associated with the specified key, or -1 if not found or unset
Retrieves the setting name associated with the specified key.