keycloak-examples-providers-parent org.keycloak 999.0.0-SNAPSHOT REST Example 4.0.0 keycloak-examples-providers-rest jar org.keycloak keycloak-core provided org.keycloak keycloak-server-spi provided org.keycloak keycloak-server-spi-private provided jakarta.ws.rs jakarta.ws.rs-api hello-rest-example