11 files declare their use of UpdateManagerInterface
- DevReleaseTest.php in core/
modules/ update/ tests/ src/ Kernel/ DevReleaseTest.php  - update.compare.inc in core/
modules/ update/ update.compare.inc  - Code required only when comparing available updates to existing data.
 - update.fetch.inc in core/
modules/ update/ update.fetch.inc  - Code required only when fetching information about available updates.
 - update.install in core/
modules/ update/ update.install  - Install, update, and uninstall functions for the Update Manager module.
 - update.module in core/
modules/ update/ update.module  - Handles updates of Drupal core and contributed projects.
 - update.report.inc in core/
modules/ update/ update.report.inc  - Code required only when rendering the available updates report.
 - UpdateCalculateProjectDataTest.php in core/
modules/ update/ tests/ src/ Kernel/ UpdateCalculateProjectDataTest.php  - UpdateContribTest.php in core/
modules/ update/ tests/ src/ Functional/ UpdateContribTest.php  - UpdateController.php in core/
modules/ update/ src/ Controller/ UpdateController.php  - UpdateMailTest.php in core/
modules/ update/ tests/ src/ Unit/ UpdateMailTest.php  - UpdateManagerUpdate.php in core/
modules/ update/ src/ Form/ UpdateManagerUpdate.php  
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