LanguageNegotiationMethodManager.php

<?php

namespace Drupal\language;

use Drupal\Core\Cache\CacheBackendInterface;
use Drupal\Core\Extension\ModuleHandlerInterface;
use Drupal\Core\Plugin\DefaultPluginManager;
use Drupal\language\Attribute\LanguageNegotiation;

/**
 * Manages language negotiation methods.
 */
class LanguageNegotiationMethodManager extends DefaultPluginManager {
    
    /**
     * Constructs a new LanguageNegotiationMethodManager object.
     *
     * @param \Traversable $namespaces
     *   An object that implements \Traversable which contains the root paths
     *   keyed by the corresponding namespace to look for plugin implementations.
     * @param \Drupal\Core\Cache\CacheBackendInterface $cache_backend
     *   An object that implements CacheBackendInterface
     * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
     *   An object that implements ModuleHandlerInterface
     */
    public function __construct(\Traversable $namespaces, CacheBackendInterface $cache_backend, ModuleHandlerInterface $module_handler) {
        parent::__construct('Plugin/LanguageNegotiation', $namespaces, $module_handler, 'Drupal\\language\\LanguageNegotiationMethodInterface', LanguageNegotiation::class, 'Drupal\\language\\Annotation\\LanguageNegotiation');
        $this->cacheBackend = $cache_backend;
        $this->setCacheBackend($cache_backend, 'language_negotiation_plugins');
        $this->alterInfo('language_negotiation_info');
    }

}