}

    private static String getMessage(Throwable error, String def) {
        if (error == null) {
            return def;
        }
        String msg = error.getMessage();
        if (msg != null && !msg.isEmpty()) {
            return msg;
        }
        return getMessage(error.getCause(), def);
    }

    private ArtifactRepositoryLayout getLayout(String id) {

        "1-m2",
        "1-m11",
        "1-rc",
        "1-cr2",
        "1-rc123",
        "1-SNAPSHOT",
        "1",
        "1-sp",
        "1-sp2",
        "1-sp123",
        "1-abc",
        "1-def",
        "1-pom-1",
        "1-1-snapshot",
        "1-1",
        "1-2",
        "1-123"
    };

    private static final String[] VERSIONS_NUMBER = {

def buildOs = 'linux'
def buildJdk = '17'
def buildMvn = '3.8.x'
def runITsOses = ['linux']
def runITsJdks = ['17']
def runITsMvn = '3.8.x'
def runITscommand = "mvn clean install -Prun-its,embedded -B -U -V" // -DmavenDistro=... -Dmaven.test.failure.ignore=true
def tests

try {

def osNode = jenkinsEnv.labelForOS(buildOs)
node('s390x') {
    dir('build') {

        return doGet(userProperties != null ? userProperties.get(key) : null, def);
    }

    private static boolean doGet(Map<String, ?> userProperties, String key, boolean def) {
        return doGet(userProperties != null ? userProperties.get(key) : null, def);
    }

    private static boolean doGet(Object val, boolean def) {
        if (val instanceof Boolean) {

        Graph graph2 = new Graph();
        addEdge(graph2, "a", "b");
        addEdge(graph2, "b", "c");
        CycleDetectedException cde = assertThrows(CycleDetectedException.class, () -> addEdge(graph2, "c", "a"));
        List<String> cycle = cde.getCycle();
        assertNotNull(cycle, "Cycle should be not null");
        assertTrue(cycle.contains("a"), "Cycle contains 'a'");

def buildOs = 'linux'
def buildJdk = '17'
def buildMvn = '3.8.x'
def runITsOses = ['linux']
def runITsJdks = ['17', '21']
def runITsMvn = '3.8.x'
def runITscommand = "mvn clean install -Prun-its,embedded -B -U -V" // -DmavenDistro=... -Dmaven.test.failure.ignore=true
def tests

try {

def osNode = jenkinsEnv.labelForOS(buildOs)