ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            private static final long serialVersionUID = 1L;

            @Override
            public String getOrDefault(final String key, final String defaultValue) {
                if ("rag.chat.history.assistant.content".equals(key)) {
                    return "full";
                }
                return defaultValue;

     * @return the environment variable value, or the default value if not found
     */
    public static String getEnv(String key, String defaultValue) {
        return System.getenv().getOrDefault(key, defaultValue);
    }

    /**
     * Provider for current time in milliseconds. Can be overridden for testing.
     */
    private static LongSupplier timeProvider = System::currentTimeMillis;

     *
     * - a `getFooOrDefault(@Nullable 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 @Nullable.
     *
     * Two other points:
     *

        final var config = ComponentUtil.getFessConfig();

        final String temp = config.getOrDefault(prefix + ".temperature", null);
        if (temp != null) {
            request.setTemperature(Double.parseDouble(temp));
        }
        final String maxTokens = config.getOrDefault(prefix + ".max.tokens", null);
        if (maxTokens != null) {
            request.setMaxTokens(Integer.parseInt(maxTokens));

    return get(key) != null;
  }

  @Override
  public boolean containsValue(@Nullable Object value) {
    return values().contains(value);
  }

  @Override
  public final @Nullable V getOrDefault(@Nullable Object key, @Nullable V defaultValue) {
    V result = get(key);
    // TODO(b/192579700): Use a ternary once it no longer confuses our nullness checker.
    if (result != null) {
      return result;

     *
     * - a `getFooOrDefault(@Nullable 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 @Nullable.
     *

      return backingSet().contains(key);
    }

    @Override
    public @Nullable V get(@Nullable Object key) {
      return getOrDefault(key, null);
    }

    @Override
    public @Nullable V getOrDefault(@Nullable Object key, @Nullable V defaultValue) {
      if (Collections2.safeContains(backingSet(), key)) {
        @SuppressWarnings("unchecked") // unsafe, but Javadoc warns about it

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

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

        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

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