@Override
    public AthenzAccessToken getAccessToken(AthenzDomain domain, List<AthenzIdentity> proxyPrincipals) {
        return this.getAccessTokenImpl(List.of(new AthenzResourceName(domain, "domain")), proxyPrincipals);
    }
Default implementation of {@link ZtsClient}

@author bjorncs
@author mortent
vespa-athenz/src/main/java/com/yahoo/vespa/athenz/client/zts/DefaultZtsClient.java