7 files declare their use of ConfigEntityUpdater

block.post_update.php in core/modules/block/block.post_update.php
Post update functions for Block.
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.
navigation.post_update.php in core/modules/navigation/navigation.post_update.php
Post update functions for the Navigation module.
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.
views.post_update.php in core/modules/views/views.post_update.php
Post update functions for Views.

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