Magento Stock Management Service (Model/StockManagement.php)

Handles inventory stock operations and product sale registration within the Magento ecosystem. Use this for managing stock levels and inventory updates programmatically.

// Source: https://github.com/magento/magento2 | License: OSL-3.0 | Modified files must remain under OSL-3.0
// Modifications to this file must remain under OSL-3.0.
// Provided via justclaw.it.com; keep this notice with the code.
<?php
/**
 * Copyright 2014 Adobe
 * All Rights Reserved.
 */
namespace Magento\CatalogInventory\Model;

use Magento\CatalogInventory\Api\Data\StockItemInterface;
use Magento\CatalogInventory\Api\RegisterProductSaleInterface;
use Magento\CatalogInventory\Api\RevertProductSaleInterface;
use Magento\CatalogInventory\Api\StockConfigurationInterface;
use Magento\CatalogInventory\Api\StockManagementInterface;
use Magento\CatalogInventory\Model\ResourceModel\QtyCounterInterface;
use Magento\CatalogInventory\Model\Spi\StockRegistryProviderInterface;
use Magento\Catalog\

... (truncated -- full source via MCP)