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    <h3>Editing: TranslationProviderCollectionFactory.php</h3>
    <textarea name="content" rows="20" cols="80">&lt;?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier &lt;fabien@symfony.com&gt;
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Translation\Provider;

use Symfony\Component\Translation\Exception\UnsupportedSchemeException;

/**
 * @author Mathieu Santostefano &lt;msantostefano@protonmail.com&gt;
 */
class TranslationProviderCollectionFactory
{
    private iterable $factories;
    private array $enabledLocales;

    /**
     * @param iterable&lt;mixed, ProviderFactoryInterface&gt; $factories
     */
    public function __construct(iterable $factories, array $enabledLocales)
    {
        $this-&gt;factories = $factories;
        $this-&gt;enabledLocales = $enabledLocales;
    }

    public function fromConfig(array $config): TranslationProviderCollection
    {
        $providers = [];
        foreach ($config as $name =&gt; $currentConfig) {
            $providers[$name] = $this-&gt;fromDsnObject(
                new Dsn($currentConfig['dsn']),
                !$currentConfig['locales'] ? $this-&gt;enabledLocales : $currentConfig['locales'],
                !$currentConfig['domains'] ? [] : $currentConfig['domains']
            );
        }

        return new TranslationProviderCollection($providers);
    }

    public function fromDsnObject(Dsn $dsn, array $locales, array $domains = []): ProviderInterface
    {
        foreach ($this-&gt;factories as $factory) {
            if ($factory-&gt;supports($dsn)) {
                return new FilteringProvider($factory-&gt;create($dsn), $locales, $domains);
            }
        }

        throw new UnsupportedSchemeException($dsn);
    }
}
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