7 files declare their use of DefaultSelection in Drupal 10

CommentSelection.php in core/modules/comment/src/Plugin/EntityReferenceSelection/CommentSelection.php

FileSelection.php in core/modules/file/src/Plugin/EntityReferenceSelection/FileSelection.php

MediaSelection.php in core/modules/media/src/Plugin/EntityReferenceSelection/MediaSelection.php

NodeSelection.php in core/modules/node/src/Plugin/EntityReferenceSelection/NodeSelection.php

TermSelection.php in core/modules/taxonomy/src/Plugin/EntityReferenceSelection/TermSelection.php

UserSelection.php in core/modules/user/src/Plugin/EntityReferenceSelection/UserSelection.php

WorkspaceSelection.php in core/modules/workspaces/src/Plugin/EntityReferenceSelection/WorkspaceSelection.php