11 files declare their use of AliasManagerInterface in Drupal 8

DeprecatedClassesTest.php in core/modules/path_alias/tests/src/Unit/DeprecatedClassesTest.php

InstallHelper.php in core/profiles/demo_umami/modules/demo_umami_content/src/InstallHelper.php

MockAliasManager.php in core/modules/system/src/Tests/Routing/MockAliasManager.php

PathAliasListBuilder.php in core/modules/path/src/PathAliasListBuilder.php

PathHooksTest.php in core/modules/path_alias/tests/src/Kernel/PathHooksTest.php

Raw.php in core/modules/views/src/Plugin/views/argument_default/Raw.php

RawTest.php in core/modules/views/tests/src/Unit/Plugin/argument_default/RawTest.php

RequestPath.php in core/modules/system/src/Plugin/Condition/RequestPath.php

SiteInformationForm.php in core/modules/system/src/Form/SiteInformationForm.php

WorkspaceRequestSubscriber.php in core/modules/workspaces/src/EventSubscriber/WorkspaceRequestSubscriber.php

WorkspaceRequestSubscriberTest.php in core/modules/workspaces/tests/src/Unit/WorkspaceRequestSubscriberTest.php