6 files declare their use of UpdateRunnerInterface in Scheduled Updates 8

AddFieldScheduledUpdateTypeTest.php in tests/src/FunctionalJavascript/AddFieldScheduledUpdateTypeTest.php

Contains \Drupal\Tests\scheduled_updates\AddFieldScheduledUpdateTypeTest.

EmbeddedScheduledUpdateTypeTest.php in tests/src/FunctionalJavascript/EmbeddedScheduledUpdateTypeTest.php

Contains \Drupal\Tests\scheduled_updates\EmbeddedScheduledUpdateTypeTest.

IndependentUpdateRunner.php in src/Plugin/UpdateRunner/IndependentUpdateRunner.php

Contains \Drupal\scheduled_updates\Plugin\UpdateRunner\IndependentUpdateRunner.

ScheduledUpdatesTestBase.php in tests/src/FunctionalJavascript/ScheduledUpdatesTestBase.php

Contains \Drupal\Tests\scheduled_updates\ScheduledUpdatesTestBase.

ScheduledUpdateTypeBaseForm.php in src/Form/ScheduledUpdateTypeBaseForm.php

Contains \Drupal\scheduled_updates\Form\ScheduledUpdateTypeBaseForm.

UpdateRunnerUtils.php in src/UpdateRunnerUtils.php

Contains \Drupal\scheduled_updates\UpdateRunnerUtils.