Manager::getProviderClass

protected function getProviderClass(string $moduleId): ?string
{
	$config = Configuration::getInstance($moduleId)->get('intranet.customSection');
	if (empty($config))
	{
		return null;
	}

	$providerClass = $config['provider'] ?? null;
	if (empty($providerClass) || !is_a($providerClass, Provider::class, true))
	{
		return null;
	}

	return $providerClass;
}