Till keycloak 3.4.3, the keycloak-services artifact used to have *org.keycloak.authorization.entitlement* package, which contained EntitlementResponse class, but keycloak 4.x onwards, this package is no longer present, has this package & class renamed / deprecated? Reference for jars/artifacts, maven repo: https://maven-repository.com/artifact/org.keycloak/keycloak-services