MnemonicCode::normalizeOptions

protected function normalizeOptions(array $options): array
{
	return [
		'lastId' => (int)($options['lastId'] ?? 0),
		'steps' => (int)($options['steps'] ?? 0),
		'errors' => (int)($options['errors'] ?? 0),
		'count' => (int)($options['count'] ?? 0),
	];
}