/**
  * Main Pootle Slider Instance
  * Ensures only one instance of Storefront_Extension_Boilerplate is loaded or can be loaded.
  * @since 1.0.0
  * @return pootle_page_builder_for_WooCommerce instance
  */
 public static function instance()
 {
     if (null == self::$_instance) {
         self::$_instance = new self();
     }
     return self::$_instance;
 }
 /**
  * Initiates public class and adds public hooks
  * @since 1.0.0
  */
 private function _public()
 {
     //Instantiating public class
     $this->public = pootle_page_builder_for_WooCommerce_Public::instance();
     //Adding front end JS and CSS in /assets folder
     add_action('wp_enqueue_scripts', array($this->public, 'enqueue'));
     //Filter the tabs content
     add_filter('woocommerce_tab_manager_tab_panel_content', array($this->public, 'wc_tabs_filter'), 7, 3);
     //Add the products to content block
     add_action('pootlepb_render_content_block', array($this->public, 'render_products'), 52);
 }