16 files declare their use of StreamWrapperManagerInterface in Drupal 10

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