public static function init() {
    if ( ! self::$initiated ) {
      self::init_hooks();
    }

    if ( isset( $_POST['action'] ) && $_POST['action'] == 'enter-key' ) {
      self::enter_api_key();
    }

    if ( ! empty( $_GET['akismet_comment_form_privacy_notice'] ) && empty( $_GET['settings-updated']) ) {
      self::set_form_privacy_notice_option( $_GET['akismet_comment_form_privacy_notice'] );
    }
  }