protected function get_chosen_shipping_methods( $calculated_shipping_packages = array() ) {
		$chosen_methods = array();
		// Get chosen methods for each package to get our totals.
		foreach ( $calculated_shipping_packages as $key => $package ) {
			$chosen_method = wc_get_chosen_shipping_method_for_package( $key, $package );
			if ( $chosen_method ) {
				$chosen_methods[ $key ] = $package['rates'][ $chosen_method ];
			}
		}
		return $chosen_methods;
	}