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.
block_content.post_update.php in core/modules/block_content/block_content.post_update.php
Post update functions for Custom Block.
ConfigEntityUpdaterTest.php in core/tests/Drupal/KernelTests/Core/Config/Entity/ConfigEntityUpdaterTest.php
content_moderation.post_update.php in core/modules/content_moderation/content_moderation.post_update.php
Post update functions for the Content Moderation module.
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.
layout_discovery.post_update.php in core/modules/layout_discovery/layout_discovery.post_update.php
Post update functions for layout discovery.
search.post_update.php in core/modules/search/search.post_update.php
Post update functions for Search module.
system.post_update.php in core/modules/system/system.post_update.php
Post update functions for System.
taxonomy.post_update.php in core/modules/taxonomy/taxonomy.post_update.php
Post update functions for Taxonomy.
text.post_update.php in core/modules/text/text.post_update.php
Contains post update hooks for the text module.
views.post_update.php in core/modules/views/views.post_update.php
Post update functions for Views.

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