12 files declare their use of ConfigEntityUpdater

action.post_update.php in core/modules/action/action.post_update.php
Post update functions for Action module.
ckeditor.post_update.php in core/modules/ckeditor/ckeditor.post_update.php
Post update functions for CKEditor.
ckeditor5.post_update.php in core/modules/ckeditor5/ckeditor5.post_update.php
Post update functions for CKEditor 5.
ConfigEntityUpdaterTest.php in core/tests/Drupal/KernelTests/Core/Config/Entity/ConfigEntityUpdaterTest.php
file.post_update.php in core/modules/file/file.post_update.php
Post update functions for File.
image.post_update.php in core/modules/image/image.post_update.php
Post-update functions for Image.
layout_builder.post_update.php in core/modules/layout_builder/layout_builder.post_update.php
Post update functions for Layout Builder.
system.post_update.php in core/modules/system/system.post_update.php
Post update functions for System.
text.post_update.php in core/modules/text/text.post_update.php
Contains post update hooks for the text module.
tour.post_update.php in core/modules/tour/tour.post_update.php
Post update functions for Tour.
user.post_update.php in core/modules/user/user.post_update.php
Post update functions for User module.
views.post_update.php in core/modules/views/views.post_update.php
Post update functions for Views.

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