public static function add_ajax_events() {
		$ajax_events_nopriv = array(
			'get_refreshed_fragments',
			'apply_coupon',
			'remove_coupon',
			'update_shipping_method',
			'get_cart_totals',
			'update_order_review',
			'add_to_cart',
			'remove_from_cart',
			'checkout',
			'get_variation',
			'get_customer_location',
		);

		foreach ( $ajax_events_nopriv as $ajax_event ) {
			add_action( 'wp_ajax_woocommerce_' . $ajax_event, array( __CLASS__, $ajax_event ) );
			add_action( 'wp_ajax_nopriv_woocommerce_' . $ajax_event, array( __CLASS__, $ajax_event ) );

			// WC AJAX can be used for frontend ajax requests.
			add_action( 'wc_ajax_' . $ajax_event, array( __CLASS__, $ajax_event ) );
		}

		$ajax_events = array(
			'feature_product',
			'mark_order_status',
			'get_order_details',
			'add_attribute',
			'add_new_attribute',
			'remove_variation',
			'remove_variations',
			'save_attributes',
			'add_variation',
			'link_all_variations',
			'revoke_access_to_download',
			'grant_access_to_download',
			'get_customer_details',
			'add_order_item',
			'add_order_fee',
			'add_order_shipping',
			'add_order_tax',
			'add_coupon_discount',
			'remove_order_coupon',
			'remove_order_item',
			'remove_order_tax',
			'reduce_order_item_stock',
			'increase_order_item_stock',
			'add_order_item_meta',
			'remove_order_item_meta',
			'calc_line_taxes',
			'save_order_items',
			'load_order_items',
			'add_order_note',
			'delete_order_note',
			'json_search_products',
			'json_search_products_and_variations',
			'json_search_downloadable_products_and_variations',
			'json_search_customers',
			'json_search_categories',
			'term_ordering',
			'product_ordering',
			'refund_line_items',
			'delete_refund',
			'rated',
			'update_api_key',
			'load_variations',
			'save_variations',
			'bulk_edit_variations',
			'tax_rates_save_changes',
			'shipping_zones_save_changes',
			'shipping_zone_add_method',
			'shipping_zone_methods_save_changes',
			'shipping_zone_methods_save_settings',
			'shipping_classes_save_changes',
			'toggle_gateway_enabled',
		);

		foreach ( $ajax_events as $ajax_event ) {
			add_action( 'wp_ajax_woocommerce_' . $ajax_event, array( __CLASS__, $ajax_event ) );
		}
	}