12 files declare their use of GroupTypeManagerInterface in Organic groups 8

GroupCheckTest.php in tests/src/Unit/GroupCheckTest.php

GroupSubscribeFormatterTest.php in tests/src/Unit/GroupSubscribeFormatterTest.php

GroupType.php in src/Plugin/Condition/GroupType.php

GroupTypeManagerTest.php in tests/src/Unit/GroupTypeManagerTest.php

OgAccessTestBase.php in tests/src/Unit/OgAccessTestBase.php

OgGroupResolverTestBase.php in tests/src/Unit/Plugin/OgGroupResolver/OgGroupResolverTestBase.php

OgLocalTask.php in src/Plugin/Derivative/OgLocalTask.php

OgLocalTaskTest.php in tests/src/Unit/OgLocalTaskTest.php

OgUiController.php in og_ui/src/Controller/OgUiController.php

RecentGroupContentBlock.php in src/Plugin/Block/RecentGroupContentBlock.php

RequestQueryArgumentResolver.php in src/Plugin/OgGroupResolver/RequestQueryArgumentResolver.php

RouteGroupContentResolver.php in src/Plugin/OgGroupResolver/RouteGroupContentResolver.php