assertEquals(
        "getOrDefault(present, def) should return the associated value",
        v0(),
        getMap().getOrDefault(k0(), v3()));
  }

  @CollectionSize.Require(absent = ZERO)
  public void testGetOrDefault_presentNullDefault() {
    assertEquals(
        "getOrDefault(present, null) should return the associated value",
        v0(),
        getMap().getOrDefault(k0(), null));
  }

                .getOrDefault("os.name", Os.OS_NAME)
                .toLowerCase(Locale.ENGLISH);
        String actualOsArch = context.getSystemProperties()
                .getOrDefault("os.arch", Os.OS_ARCH)
                .toLowerCase(Locale.ENGLISH);
        String actualOsVersion = context.getSystemProperties()
                .getOrDefault("os.version", Os.OS_VERSION)

    }

    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)))

        triggers.add(StageTrigger(model, stage, prevStage, null, allDependencies))

        stageWithOsTriggers.getOrDefault(stage.stageName, emptyList()).forEach { targetOs ->
            val dependencies = allDependencies.filter { it.os == targetOs }

	}

	protocol := model.GetOrDefault(cfg.K8sServiceProtocol, "https")
	cluster := &api.Cluster{
		Server: fmt.Sprintf("%s://%s", protocol, net.JoinHostPort(cfg.K8sServiceHost, cfg.K8sServicePort)),
	}

	if cfg.SkipTLSVerify {
		// User explicitly opted into insecure.
		cluster.InsecureSkipTLSVerify = true
	} else {
		caFile := model.GetOrDefault(cfg.KubeCAFile, cfg.K8sServiceAccountPath+"/ca.crt")

        }

        private <Q> Supplier<Q> getBeanSupplier(Dependency<Q> dep, Key<Q> key) {
            List<Binding<?>> list = new ArrayList<>();
            // Add DI bindings
            list.addAll(getBindings().getOrDefault(key, Set.of()));
            // Add Plexus bindings
            for (var bean : locator.get().locate(toGuiceKey(key))) {
                if (isPlexusBean(bean)) {

        }
        sessionBuilder.setAuthenticationSelector(authSelector);

        Object transport =
                mergedProps.getOrDefault(Constants.MAVEN_RESOLVER_TRANSPORT, 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:
     *

        val properties = Properties()
        val ret = mutableMapOf<String, MutableList<String>>()
        properties.load(StringReader(content))
        properties.forEach { key, value ->
            val list = ret.getOrDefault(value, mutableListOf())
            list.add(key!!.toString())
            ret[value!!.toString()] = list
        }
        return ret
    }


    interface BuildBucketProvider {

            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) {