static Set<FeatureCatalog> baseline() {
        return Set.of(
            FeatureCatalog.ApacheTomcat,
            FeatureCatalog.Audit,
            FeatureCatalog.Authentication,
            FeatureCatalog.CasConfiguration,
            FeatureCatalog.Core,
            FeatureCatalog.Logout,
            FeatureCatalog.Monitoring,
            FeatureCatalog.MultifactorAuthentication,
            FeatureCatalog.Notifications,
            FeatureCatalog.PasswordManagement,
            FeatureCatalog.PersonDirectory,
            FeatureCatalog.ServiceRegistry,
            FeatureCatalog.Thymeleaf,
            FeatureCatalog.TicketRegistry,
            FeatureCatalog.Validation,
            FeatureCatalog.WebApplication,
            FeatureCatalog.Webflow
        );
    }
Baseline set of features that must be enabled and present.

@return the set
api/cas-server-core-api-configuration-model/src/main/java/org/apereo/cas/configuration/features/CasFeatureModule.java