Final Class Yiisoft\Yii\AuthClient\Factory\CollectionFactory

                public function __construct(private array $clients = []) {}

            

                public function __invoke(ContainerInterface $container): Collection
{
    if ($this->clients === []) {
        return new Collection([]);
    }
    /** @var YiisoftFactory $yiisoftFactory */
    $yiisoftFactory = $container->get(YiisoftFactory::class);
    $clients = [];
    foreach ($this->clients as $name => $config) {
        if (!is_string($name) || $name === '') {
            throw new InvalidArgumentException('Client name must be a non-empty string.');
        }
        if (!is_array($config) || !isset($config['class'])) {
            throw new InvalidArgumentException(
                "Client '$name' must be an array with a 'class' key.",
            );
        }
        /** @var mixed $class */
        $class = $config['class'];
        if (!is_string($class) || !is_a($class, OAuth2::class, true)) {
            throw new InvalidArgumentException(
                "Client '$name' class must be a valid OAuth2 class-string.",
            );
        }
        unset($config['class']);
        if (array_key_exists('name', $config)) {
            throw new InvalidArgumentException(
                "Client '$name' cannot set 'name' via config; it is derived from the client's array key.",
            );
        }
        /**
         * @var OAuth2 $client Built via the DI-aware factory (not $container->get()) so every
         * configured entry gets its own instance, even several entries sharing a class - and so
         * a third-party OAuth2 subclass with extra constructor dependencies is still autowired
         * correctly instead of requiring a fixed positional argument list here.
         */
        $client = $yiisoftFactory->create($class);
        $client->setName($name);
        foreach ($config as $key => $value) {
            if (!is_string($key)) {
                throw new InvalidArgumentException(
                    "Configuration key for client '$name' must be a string.",
                );
            }
            $setter = 'set' . ucfirst($key);
            if (!method_exists($client, $setter)) {
                throw new InvalidArgumentException(
                    "Unknown configuration option '$key' for client '$name'. No setter method '$setter()' found on $class.",
                );
            }
            $client->$setter($value);
        }
        $clients[$name] = $client;
    }
    return new Collection($clients);
}