/**
  * Add meta boxes to primary options pages
  *
  * Adds the module's meta settings box to the settings page and
  * registers the added box in the page's table of contents.
  *
  * @since 1.2.0
  *
  * @return void
  */
 public function itsec_add_admin_meta_boxes()
 {
     $id = 'two_factor_options';
     $title = __('Two Factor', 'it-l10n-ithemes-security-pro');
     add_meta_box($id, $title, array($this, 'metabox_two_factor_settings'), 'security_page_toplevel_page_itsec_pro', 'advanced', 'core');
     $this->core->add_pro_toc_item(array('id' => $id, 'title' => $title));
 }