Magento 2 Documentation: vendor/magento/magento2-base/dev/tests/integration/testsuite/Magento/Sales Directory Reference

Magento 2 Documentation 2.3

Documentation for Magento 2 CMS v2.3 (December 2018)

Directories
directory	_files

directory	Api

directory	Block

directory	Controller

directory	CustomerData

directory	Model

directory	Observer