Elementor\Widgets_Manager::_register_wp_widgets PHP Method

    private function _register_wp_widgets()
    {
        global $wp_widget_factory;
        include ELEMENTOR_PATH . 'includes/widgets/wordpress.php';
        // Skip Pojo widgets
        $pojo_allowed_widgets = ['Pojo_Widget_Recent_Posts', 'Pojo_Widget_Posts_Group', 'Pojo_Widget_Gallery', 'Pojo_Widget_Recent_Galleries', 'Pojo_Slideshow_Widget', 'Pojo_Forms_Widget', 'Pojo_Widget_News_Ticker', 'Pojo_Widget_WC_Products', 'Pojo_Widget_WC_Products_Category', 'Pojo_Widget_WC_Product_Categories'];
        // Allow themes/plugins to filter out their widgets
        $black_list = apply_filters('elementor/widgets/black_list', []);
        foreach ($wp_widget_factory->widgets as $widget_class => $widget_obj) {
            if (in_array($widget_class, $black_list)) {
                continue;
            }
            if ($widget_obj instanceof \Pojo_Widget_Base && !in_array($widget_class, $pojo_allowed_widgets)) {
                continue;
            }
            $elementor_widget_class = __NAMESPACE__ . '\\Widget_WordPress';
            $this->register_widget_type(new $elementor_widget_class([], ['widget_name' => $widget_class]));
        }
    }