golden hour

/var/www/html/wp-content/plugins/woocommerce/packages/woocommerce-blocks/src/StoreApi/Utilities

File/Folder	Size	Actions
CartController.php	38.4 KB
InvalidStockLevelsInCartException.php	1.59 KB
NotPurchasableException.php	316 B
NoticeHandler.php	1.27 KB
OrderController.php	16.57 KB
OutOfStockException.php	312 B
Pagination.php	2.17 KB
PartialOutOfStockException.php	354 B
ProductQuery.php	15.46 KB
ProductQueryFilters.php	5.68 KB
StockAvailabilityException.php	1.59 KB
TooManyInCartException.php	346 B

Edit: InvalidStockLevelsInCartException.php

<?php
namespace Automattic\WooCommerce\Blocks\StoreApi\Utilities;

use WP_Error;

/**
 * InvalidStockLevelsInCartException class.
 *
 * @internal This API is used internally by Blocks, this exception is thrown if any items are out of stock
 * after each product on a draft order has been stock checked.
 */
class InvalidStockLevelsInCartException extends \Exception {
	/**
	 * Sanitized error code.
	 *
	 * @var string
	 */
	public $error_code;

/**
	 * Additional error data.
	 *
	 * @var array
	 */
	public $additional_data = [];

/**
	 * All errors to display to the user.
	 *
	 * @var WP_Error
	 */
	public $error;

/**
	 * Setup exception.
	 *
	 * @param string   $error_code      Machine-readable error code, e.g `woocommerce_invalid_product_id`.
	 * @param WP_Error $error           The WP_Error object containing all errors relating to stock availability.
	 * @param array    $additional_data Extra data (key value pairs) to expose in the error response.
	 */
	public function __construct( $error_code, $error, $additional_data = [] ) {
		$this->error_code      = $error_code;
		$this->error           = $error;
		$this->additional_data = array_filter( (array) $additional_data );
		parent::__construct( '', 409 );
	}

/**
	 * Returns the error code.
	 *
	 * @return string
	 */
	public function getErrorCode() {
		return $this->error_code;
	}

/**
	 * Returns the list of messages.
	 *
	 * @return WP_Error
	 */
	public function getError() {
		return $this->error;
	}

/**
	 * Returns additional error data.
	 *
	 * @return array
	 */
	public function getAdditionalData() {
		return $this->additional_data;
	}

}