Mage2\Feature\Module::registerAdminConfiguration PHP Method

    public function registerAdminConfiguration()
    {
        $adminConfigurations[] = ['title' => 'Address Configuration', 'description' => 'Set Default Country for Store', 'edit_action' => 'admin.configuration.address'];
        foreach ($adminConfigurations as $adminConfiguration) {
            AdminConfiguration::registerConfiguration($adminConfiguration);
        }
    }