public function set_tgmpa_url()
{
$this->tgmpa_menu_slug = property_exists($this->tgmpa_instance, 'menu') ? $this->tgmpa_instance->menu : $this->tgmpa_menu_slug;
$this->tgmpa_menu_slug = apply_filters($this->theme_name . '_theme_setup_wizard_tgmpa_menu_slug', $this->tgmpa_menu_slug);
$tgmpa_parent_slug = property_exists($this->tgmpa_instance, 'parent_slug') && $this->tgmpa_instance->parent_slug !== 'themes.php' ? 'admin.php' : 'themes.php';
$this->tgmpa_url = apply_filters($this->theme_name . '_theme_setup_wizard_tgmpa_url', $tgmpa_parent_slug . '?page=' . $this->tgmpa_menu_slug);
}