6 files declare their use of FileSystem in Drupal 8
- EnvironmentCleanerService.php in core/
modules/ simpletest/ src/ EnvironmentCleanerService.php - file.inc in core/
includes/ file.inc - API for handling file uploads and server file management.
- FileCopyTest.php in core/
tests/ Drupal/ KernelTests/ Core/ File/ FileCopyTest.php - FileMoveTest.php in core/
tests/ Drupal/ KernelTests/ Core/ File/ FileMoveTest.php - FileSystemTempDirectoryTest.php in core/
tests/ Drupal/ KernelTests/ Core/ File/ FileSystemTempDirectoryTest.php - FileSystemTest.php in core/
tests/ Drupal/ Tests/ Core/ File/ FileSystemTest.php