ECL0013=argument[{0}] is null or empty map.
ECL0014=argument[{0}] which is null the index of array is negative integer.
ECL0015=argument[{0}] which is null the index of array exceed the size of array[{1}].
ECL0016=key[{0}] is not included in this BeanMap : {1}.
ECL0017=Exception occurred, because {0}
ECL0041={0}''s creation failure, because {1}
ECL0040=IOException occurred, because {0}
ECL0042=An illegal access was generated by {0}, because {1}

     *
     * @return a stream containing this node and its descendant
     */
    @Nonnull
    default Stream<Node> stream() {
        return Stream.concat(Stream.of(this), getChildren().stream().flatMap(Node::stream));
    }

    protected void testRead() {
        final Map<String, Object> searchBody = new HashMap<>();
        String response = checkGetMethod(searchBody, "").asString();
        final Map<String, Object> res = JsonPath.from(response).getMap("response");
        assertTrue(res.containsKey("env_props"));
        assertTrue(res.containsKey("system_props"));
        assertTrue(res.containsKey("fess_props"));
        assertTrue(res.containsKey("bug_report_props"));

@GwtIncompatible
public class ImmutableBiMapFloodingTest extends AbstractHashFloodingTest<BiMap<Object, Object>> {
  public ImmutableBiMapFloodingTest() {
    super(
        EnumSet.allOf(ConstructionPathway.class).stream()
            .flatMap(
                path ->
                    Stream.<Construction<BiMap<Object, Object>>>of(
                        keys ->
                            path.create(transform(keys, key -> immutableEntry(key, new Object()))),

        }
    }
}


fun FileSystemOperations.removeCachedScripts(cachesDir: File) {
    if (cachesDir.isDirectory) {
        cachesDir.listFiles()
            .filter { it.isDirectory }
            .flatMap { scriptsCacheDirsUnder(it) }
            .forEach { scriptsCacheDir ->
                logger.lifecycle("Removing scripts cache directory : $scriptsCacheDir")
                delete { delete(scriptsCacheDir) }
            }

    protected void testRead() {
        final Map<String, Object> searchBody = new HashMap<>();
        String response = checkGetMethod(searchBody, "").asString();
        final Map<String, Object> res = JsonPath.from(response).getMap("response.setting");
        assertTrue(!res.isEmpty());
        assertEquals(new Integer(0), JsonPath.from(response).get("response.status"));
    }

    @Override
    protected void tearDown() {
        // do nothing

            final Stream<QueryLog> stream = Stream.of(queryLogs);
            if (parallel) {
                stream.parallel();
            }
            final SuggestItem[] array = stream
                    .flatMap(queryLog -> contentsParser
                            .parseQueryLog(queryLog, supportedFields, tagFieldNames, roleFieldName, readingConverter, normalizer).stream())
                    .toArray(n -> new SuggestItem[n]);

) : Project({
    id(asDocsTestId(model, os))
    name = "Docs Test - ${testJava.version.name.toCapitalized()} ${os.asName()}"
}) {
    val docsTests: List<BaseGradleBuildType>

    init {
        docsTests = testTypes.flatMap {
            listOf(
                DocsTest(model, stage, os, testJava, 1, it, INCLUDE, listOf("org.gradle.docs.samples.Bucket1SnippetsTest=docsTest")),

        String id = id(nonNull(artifact, "artifact"));
        if (session.getMavenSession().getAllProjects() != null) {
            session.getMavenSession().getAllProjects().stream()
                    .flatMap(this::getProjectArtifacts)
                    .filter(a -> Objects.equals(id, id(a)))
                    .forEach(a -> a.setFile(path != null ? path.toFile() : null));
        }
        if (path == null) {

        this.lifecycle = lifecycle;
        this.id = lifecycle.id();
        this.phases = registry.computePhases(lifecycle).stream()
                .flatMap(p -> Stream.of(BEFORE + p, p, AFTER + p))
                .toList();
        this.defaultPhases = getDefaultPhases(lifecycle);
    }

    // <lifecycle>
    //   <id>clean</id>
    //   <phases>