18 files declare their use of StreamWrapperManagerInterface

FileCopy.php in core/modules/migrate/src/Plugin/migrate/process/FileCopy.php
FileCopyTest.php in core/modules/migrate/tests/src/Unit/process/FileCopyTest.php
FileDownloadController.php in core/modules/system/src/FileDownloadController.php
FileRepository.php in core/modules/file/src/FileRepository.php
FileRepositoryTest.php in core/modules/file/tests/src/Kernel/FileRepositoryTest.php
FileSystem.php in core/lib/Drupal/Core/File/FileSystem.php
FileSystemForm.php in core/modules/system/src/Form/FileSystemForm.php
FileSystemTest.php in core/tests/Drupal/Tests/Core/File/FileSystemTest.php
FileUploadHandler.php in core/modules/file/src/Upload/FileUploadHandler.php
FileUrlGenerator.php in core/lib/Drupal/Core/File/FileUrlGenerator.php
GDToolkit.php in core/modules/system/src/Plugin/ImageToolkit/GDToolkit.php
HtaccessWriter.php in core/lib/Drupal/Core/File/HtaccessWriter.php
ImageStyleDownloadController.php in core/modules/image/src/Controller/ImageStyleDownloadController.php
ImageStyleRoutes.php in core/modules/image/src/Routing/ImageStyleRoutes.php
LibraryDiscoveryParser.php in core/lib/Drupal/Core/Asset/LibraryDiscoveryParser.php
LibraryDiscoveryParserTest.php in core/tests/Drupal/Tests/Core/Asset/LibraryDiscoveryParserTest.php
Contains \Drupal\Tests\Core\Asset\LibraryDiscoveryParserTest.
MimeTypeGuesser.php in core/lib/Drupal/Core/File/MimeType/MimeTypeGuesser.php
PathProcessorImageStyles.php in core/modules/image/src/PathProcessor/PathProcessorImageStyles.php

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