DirectoryWithMetadataPluginDiscovery.php

<?php

namespace Drupal\Core\Plugin\Discovery;


/**
 * Discover directories that contain a specific metadata file.
 */
class DirectoryWithMetadataPluginDiscovery extends YamlDiscovery {
  
  /**
   * Constructs a DirectoryWithMetadataPluginDiscovery object.
   *
   * @param array $directories
   *   An array of directories to scan, keyed by the provider. The value can
   *   either be a string or an array of strings. The string values should be
   *   the path of a directory to scan.
   * @param string $file_cache_key_suffix
   *   The file cache key suffix. This should be unique for each type of
   *   discovery.
   * @param string $file_name_suffix
   *   The file name suffix that identifies a plugin metadata file, without the
   *   leading dot or trailing .yml extension. For example, passing 'component'
   *   will match files of the form 'my-plugin.component.yml'.
   */
  public function __construct(array $directories, string $file_cache_key_suffix, string $file_name_suffix) {
    // Intentionally does not call parent constructor as this class uses a
    // different YAML discovery.
    $this->discovery = new DirectoryWithMetadataDiscovery($directories, $file_cache_key_suffix, $file_name_suffix);
  }

}