public function load_shipping_methods( $package = array() ) {
		if ( ! empty( $package ) ) {
			$debug_mode             = 'yes' === get_option( 'woocommerce_shipping_debug_mode', 'no' );
			$shipping_zone          = WC_Shipping_Zones::get_zone_matching_package( $package );
			$this->shipping_methods = $shipping_zone->get_shipping_methods( true );

			// translators: %s: shipping zone name.
			$matched_zone_notice = sprintf( __( 'Customer matched zone "%s"', 'woocommerce' ), $shipping_zone->get_zone_name() );

			// Debug output.
			if ( $debug_mode && ! Constants::is_defined( 'WOOCOMMERCE_CHECKOUT' ) && ! Constants::is_defined( 'WC_DOING_AJAX' ) && ! wc_has_notice( $matched_zone_notice ) ) {
				wc_add_notice( $matched_zone_notice );
			}
		} else {
			$this->shipping_methods = array();
		}

		// For the settings in the backend, and for non-shipping zone methods, we still need to load any registered classes here.
		foreach ( $this->get_shipping_method_class_names() as $method_id => $method_class ) {
			$this->register_shipping_method( $method_class );
		}

		// Methods can register themselves manually through this hook if necessary.
		do_action( 'woocommerce_load_shipping_methods', $package );

		// Return loaded methods.
		return $this->get_shipping_methods();
	}