"items": {
                                "anyOf": [{"type": "string"}, {"type": "integer"}]
                            },
                        },
                        "msg": {"title": "Message", "type": "string"},
                        "type": {"title": "Error Type", "type": "string"},
                    },
                },
                "HTTPValidationError": {

        }
    }
}

Map runITsTasks = [:]
for (String os in runITsOses) {
    for (def jdk in runITsJdks) {
        String osLabel = jenkinsEnv.labelForOS(os);
        String jdkName = jenkinsEnv.jdkFromVersion(os, "${jdk}")
        String mvnName = jenkinsEnv.mvnFromVersion(os, "${runITsMvn}")
        echo "OS: ${os} JDK: ${jdk} => Label: ${osLabel} JDK: ${jdkName}"

        String stageId = "${os}-jdk${jdk}"

    @Override
    public String getDirectory() {
        return directory;
    }

    public void setClassifier(String classifier) {
        this.classifier = classifier;
    }

    @Override
    public String getClassifier() {
        return classifier;
    }

    public void setPackaging(String packaging) {
        this.packaging = packaging;
    }

    @Override
    public String getPackaging() {

        });
    }

    @Override
    public int load() {
        final Map<String, Pair<Map<String, String>, List<Pair<Pattern, String>>>> relatedContentMap = new HashMap<>();
        getAvailableRelatedContentList().stream().forEach(entity -> {
            final String key = getHostKey(entity);
            Pair<Map<String, String>, List<Pair<Pattern, String>>> pair = relatedContentMap.get(key);
            if (pair == null) {

        Map<Object, Object> map = new HashMap<Object, Object>();
        assertEquals(0, (int) StreamUtil.stream(map).get(s -> s.toArray().length));
    }

    public void test_ofMap() {
        Map<String, String> map = new HashMap<String, String>();
        map.put("key1", "value1");
        map.put("key2", "value2");
        StreamUtil.stream(map).of(s -> s.forEach(m -> assertEquals(map.get(m.getKey()), m.getValue())));
    }

    protected String getTestSeries() {
        String className = getClass().getPackage().getName();

        return className.substring(className.lastIndexOf('.') + 1);
    }

    protected File projectFile(String name) {
        return projectFile("maven", name);
    }

    protected File projectFile(String groupId, String artifactId) {

                                "anyOf": [{"type": "string"}, {"type": "integer"}]
                            },
                            "type": "array",
                            "title": "Location",
                        },
                        "msg": {"type": "string", "title": "Message"},
                        "type": {"type": "string", "title": "Error Type"},
                    },

                            "items": {
                                "anyOf": [{"type": "string"}, {"type": "integer"}]
                            },
                        },
                        "msg": {"title": "Message", "type": "string"},
                        "type": {"title": "Error Type", "type": "string"},
                    },
                },
                "HTTPValidationError": {

                            "items": {
                                "anyOf": [{"type": "string"}, {"type": "integer"}]
                            },
                        },
                        "msg": {"title": "Message", "type": "string"},
                        "type": {"title": "Error Type", "type": "string"},
                    },
                },
                "HTTPValidationError": {

          {new MapRetrievalCache<String, String>(new HashMap<String, String>())},
          {new MapRetrievalCache<String, String>(new TreeMap<String, String>(nullsLast))}
        });
  }

  @Before
  public void init() {
    mapCache.clear();
  }

  @Test
  public void testKeySetIterator() {
    mapCache.put("A", "A_value");