}

    private MavenProject getProject(Artifact artifact) {
        return getAllProjects()
                .getOrDefault(artifact.getGroupId(), Collections.emptyMap())
                .getOrDefault(artifact.getArtifactId(), Collections.emptyMap())
                .getOrDefault(artifact.getBaseVersion(), null);
    }

    // groupId -> (artifactId -> (version -> project)))

    @Override
    public int hashCode() {
        return parent.hashCode();
    }

    @Override
    public V getOrDefault(final Object key, final V defaultValue) {
        final V value = parent.get(key);
        if (value != null) {
            return value;
        }
        return parent.getOrDefault(toCamelCase(key), defaultValue);
    }

    @Override

    val testProjectDurations = scenarios
        .groupBy({ it.testProject }, { scenario ->
            listOf(testProjectToScenarioDurations, testProjectScenarioDurationsFallback)
                .mapNotNull { it.getOrDefault(scenario.testProject, emptyList()).firstOrNull { duration -> duration.scenario == scenario.scenario } }

        FessConfig fessConfig = new FessConfig.SimpleImpl() {
            @Override
            public String getSystemProperty(final String key, final String defaultValue) {
                return systemPropMap.getOrDefault(key, defaultValue);
            }

            @Override
            public boolean isCrawlerIgnoreRobotsTxt() {
                return false;
            }

            @Override

     * @throws IllegalStateException if version was null and multiple modules share the same groupId + artifactId
     */
    public Model get(String groupId, String artifactId, String version) {
        return modelsByGa.getOrDefault(new GAKey(groupId, artifactId), Collections.emptySet()).stream()
                .filter(m -> version == null || version.equals(getVersion(m)))
                .reduce((a, b) -> {

        }
        sessionBuilder.setAuthenticationSelector(authSelector);

        Object transport = mergedProps.getOrDefault(MAVEN_RESOLVER_TRANSPORT_KEY, MAVEN_RESOLVER_TRANSPORT_DEFAULT);
        if (MAVEN_RESOLVER_TRANSPORT_DEFAULT.equals(transport)) {
            // The "default" mode (user did not set anything) from now on defaults to AUTO

     *
     * - a `getFooOrDefault(@CheckForNull Foo defaultValue)` method that returns
     *   `map.getOrDefault(FOO_KEY, defaultValue)`
     *
     * - a call that consults a chain of maps, as in `mapA.getOrDefault(key, mapB.getOrDefault(key,
     *   ...))`
     *
     * So it makes sense for the parameter (and thus the return type) to be @CheckForNull.
     *
     * Two other points:
     *

            fieldLogMap.put(field, list);
        }
        list.add(text);
    }

    public List<String> getDefaultKeyword() {
        if (fieldLogMap != null) {
            return fieldLogMap.getOrDefault(Constants.DEFAULT_FIELD, Collections.emptyList());
        }
        return Collections.emptyList();
    }

    public void addHighlightedQuery(final String text) {
        if (highlightedQuerySet != null) {

     *
     * - a `getFooOrDefault(@CheckForNull Foo defaultValue)` method that returns
     *   `map.getOrDefault(FOO_KEY, defaultValue)`
     *
     * - a call that consults a chain of maps, as in `mapA.getOrDefault(key, mapB.getOrDefault(key,
     *   ...))`
     *
     * So it makes sense for the parameter (and thus the return type) to be @CheckForNull.
     *

            Model child, Model parent, ModelBuilderRequest request, ModelProblemCollector problems) {
        Map<Object, Object> hints = new HashMap<>();
        String childPath = child.getProperties().getOrDefault(CHILD_DIRECTORY_PROPERTY, child.getArtifactId());
        hints.put(CHILD_DIRECTORY, childPath);
        hints.put(MavenModelMerger.CHILD_PATH_ADJUSTMENT, getChildPathAdjustment(child, parent, childPath));