Elementor\Widgets_Manager::get_widget_types PHP Method

    public function get_widget_types($widget_name = null)
    {
        if (is_null($this->_widget_types)) {
            $this->_init_widgets();
        }
        if (null !== $widget_name) {
            return isset($this->_widget_types[$widget_name]) ? $this->_widget_types[$widget_name] : null;
        }
        return $this->_widget_types;
    }