Class Option Recommendations

Below, is a list of classes that may be updated with final or abstract.
The red stars mention possible upgrade by using final or abstract keywords; The green stars mention a valid absence of the option (an extended class, that can't be final, ...); The absence of star report currently configured classes. .

Final	Abstract	Name	Path
		class RolesHelper	\roleshelper
		class Group	\group
		class User implements UserInterface	\user
		class UserRepository extends ServiceEntityRepository implements PasswordUpgraderInterface	\userrepository
		class GroupRepository extends ServiceEntityRepository	\grouprepository
		class Kernel extends BaseKernel	\kernel
		class DashboardController extends AbstractDashboardController	\dashboardcontroller
		class GroupCrudController extends AbstractCrudController	\groupcrudcontroller
		class UserCrudController extends AbstractCrudController	\usercrudcontroller
		class IndexController extends AbstractController	\indexcontroller
		class SecurityController extends AbstractController	\securitycontroller
		class AppAuthenticator extends AbstractFormLoginAuthenticator implements PasswordAuthenticatedInterface	\appauthenticator
		class AzureAuthenticator extends SocialAuthenticator	\azureauthenticator