How is an order's holding implemented?

https://github.com/magento/magento2/blob/8fd3e8/app/code/Magento/Sales/Block/Adminhtml/Order/View.php#L161-L173


https://github.com/magento/magento2/blob/8fd3e8/app/code/Magento/Sales/Model/Order.php#L635-L652












See also: