protected function output_shipping_class_screen() {
		$wc_shipping = WC_Shipping::instance();
		wp_localize_script(
			'wc-shipping-classes',
			'shippingClassesLocalizeScript',
			array(
				'classes'                   => $wc_shipping->get_shipping_classes(),
				'default_shipping_class'    => array(
					'term_id'     => 0,
					'name'        => '',
					'description' => '',
				),
				'wc_shipping_classes_nonce' => wp_create_nonce( 'wc_shipping_classes_nonce' ),
				'strings'                   => array(
					'unload_confirmation_msg' => __( 'Your changed data will be lost if you leave this page without saving.', 'woocommerce' ),
					'save_failed'             => __( 'Your changes were not saved. Please retry.', 'woocommerce' ),
				),
			)
		);
		wp_enqueue_script( 'wc-shipping-classes' );

		// Extendable columns to show on the shipping classes screen.
		$shipping_class_columns = apply_filters(
			'woocommerce_shipping_classes_columns',
			array(
				'wc-shipping-class-name'        => __( 'Shipping class', 'woocommerce' ),
				'wc-shipping-class-slug'        => __( 'Slug', 'woocommerce' ),
				'wc-shipping-class-description' => __( 'Description', 'woocommerce' ),
				'wc-shipping-class-count'       => __( 'Product count', 'woocommerce' ),
			)
		);

		include_once dirname( __FILE__ ) . '/views/html-admin-page-shipping-classes.php';
	}