@Override
        public SSLParameters parameters() {
            SSLParameters parameters = new SSLParameters();
            parameters.setProtocols(List.of("TLSv1.3").toArray(new String[0]));
            parameters.setCipherSuites(List.of("TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384").toArray(new String[0]));
            parameters.setNeedClientAuth(true);
            return parameters;
        }
Tests the zookeeper client config builder.
zookeeper-client-common/src/test/java/com/yahoo/vespa/zookeeper/client/ZkClientConfigBuilderTest.java