https://access.redhat.com/webassets/avalon/d/red_hat_build_of_keycloak-26/javadocs/org/keycloak/authorization/client/util/TokenCallable.html
TokenCallable (Keycloak Docs Distribution 26.0.17.redhat-00001 API)
declaration: package: org.keycloak.authorization.client.util, class: TokenCallable
keycloakdocsdistributionredhatapi