9 files declare their use of EntityCacheInterface in Apigee Edge 8

ApiProductController.php in src/Entity/Controller/ApiProductController.php

AppByOwnerController.php in src/Entity/Controller/AppByOwnerController.php

AppControllerBase.php in src/Entity/Controller/AppControllerBase.php

CachedManagementApiEdgeEntityControllerProxy.php in src/Entity/Controller/CachedManagementApiEdgeEntityControllerProxy.php

DeveloperController.php in src/Entity/Controller/DeveloperController.php

EntityCacheAwareControllerInterface.php in src/Entity/Controller/EntityCacheAwareControllerInterface.php

EntityCacheAwareControllerTrait.php in src/Entity/Controller/EntityCacheAwareControllerTrait.php

EntityControllerCacheUtilsTrait.php in tests/src/Traits/EntityControllerCacheUtilsTrait.php

TeamController.php in modules/apigee_edge_teams/src/Entity/Controller/TeamController.php