Issue #3006812 by NickDickinsonWilde, Ankit.Gupta:...

  public $inited;

  /**

   * The rendered output of the exposed form.

   * The render array for the exposed form.

   *

   * @var string

   * In cases that the exposed form is rendered as a block this will be an

   * empty array.

   *

   * @var array

   */

  public $exposed_widgets;