class MediaSource

class MediaSource extends Plugin {
    
    /**
     * Constructs a new MediaSource attribute.
     *
     * @param string $id
     *   The attribute class ID.
     * @param \Drupal\Core\StringTranslation\TranslatableMarkup $label
     *   The human-readable name of the media source.
     * @param \Drupal\Core\StringTranslation\TranslatableMarkup|null $description
     *   (optional) A brief description of the media source.
     * @param string[] $allowed_field_types
     *   (optional) The field types that can be used as a source field for this
     *   media source.
     * @param class-string[] $forms
     *   (optional) The classes used to define media source-specific forms. An
     *   array of form class names, keyed by ID. The ID represents the operation
     *   the form is used for, for example, 'media_library_add'.
     * @param string $default_thumbnail_filename
     *   (optional) A filename for the default thumbnail.
     *   The thumbnails are placed in the directory defined by the config setting
     *   'media.settings.icon_base_uri'. When using custom icons, make sure the
     *   module provides a hook_install() implementation to copy the custom icons
     *   to this directory. The media_install() function provides a clear example
     *   of how to do this.
     * @param string $thumbnail_uri_metadata_attribute
     *   (optional) The metadata attribute name to provide the thumbnail URI.
     * @param string $thumbnail_width_metadata_attribute
     *   (optional) The metadata attribute name to provide the thumbnail width.
     * @param string $thumbnail_height_metadata_attribute
     *   (optional) The metadata attribute name to provide the thumbnail height.
     * @param string|null $thumbnail_alt_metadata_attribute
     *   (optional) The metadata attribute name to provide the thumbnail alt.
     *   "Thumbnail" will be used if the attribute name is not provided.
     * @param string|null $thumbnail_title_metadata_attribute
     *   (optional) The metadata attribute name to provide the thumbnail title.
     *   The name of the media item will be used if the attribute name is not
     *   provided.
     * @param string $default_name_metadata_attribute
     *   (optional) The metadata attribute name to provide the default name.
     * @param class-string|null $deriver
     *   (optional) The deriver class.
     */
    public function __construct(string $id, TranslatableMarkup $label, ?TranslatableMarkup $description = NULL, array $allowed_field_types = [], array $forms = [], string $default_thumbnail_filename = 'generic.png', string $thumbnail_uri_metadata_attribute = 'thumbnail_uri', string $thumbnail_width_metadata_attribute = 'thumbnail_width', string $thumbnail_height_metadata_attribute = 'thumbnail_height', ?string $thumbnail_alt_metadata_attribute = NULL, ?string $thumbnail_title_metadata_attribute = NULL, string $default_name_metadata_attribute = 'default_name', ?string $deriver = NULL) {
    }

}