this.components = components;
    }

    @Override
    public <T> T lookup(Class<T> type) {
        Optional<T> optional = lookupOptional(type);
        if (optional.isPresent()) {
            return optional.get();
        } else {
            throw new LookupException("No mapping for key: " + type.getName());
        }
    }

    @Override

    }

    @Override
    public boolean presentInConfig(
            org.apache.maven.model.Profile profile, ProfileActivationContext context, ModelProblemCollector problems) {
        return getActivationPackaging(profile).isPresent();
    }

    private static boolean isPackaging(ProfileActivationContext context, String p) {
        String packaging = context.getUserProperties().get(ProfileActivationContext.PROPERTY_NAME_PACKAGING);

            })
        }
        .reduce { acc, next ->
            acc.zip(next) { left, right ->
                when {
                    !left.isPresent -> right
                    !right.isPresent -> left
                    else -> Optional.of(combiner(left.get(), right.get()))
                }
            }
        }
        .map { it.orElse(null) }

   * otherwise returns an empty stream.
   */
  public static <T> Stream<T> stream(com.google.common.base.Optional<T> optional) {
    return optional.isPresent() ? Stream.of(optional.get()) : Stream.empty();
  }

  /**
   * If a value is present in {@code optional}, returns a stream containing only that element,
   * otherwise returns an empty stream.
   *

        final int maxQueryLength = fessConfig.getQueryMaxLengthAsInteger();

        stream(conditions.get(SearchRequestParams.AS_OCCURRENCE))
                .of(stream -> stream.filter(this::isOccurrence).findFirst().ifPresent(q -> queryBuf.insert(0, q + ":")));

        stream(conditions.get(SearchRequestParams.AS_Q))
                .of(stream -> stream.filter(q -> StringUtil.isNotBlank(q) && q.length() <= maxQueryLength)

        boolean useAll = options.all().orElse(false);
        if (useAll) {
            return true;
        }

        // Check specific option
        if (specificOption.isPresent()) {
            return specificOption.get();
        }

        // Apply default behavior when no specific options are provided
        if (defaultWhenNoOptionsSpecified
                && options.infer().isEmpty()

        public String testDoUpgradeLogic(UpgradeContext context, String expectedTargetModel) {
            UpgradeOptions options = context.options();
            if (options.modelVersion().isPresent()) {
                return options.modelVersion().get();
            } else if (options.all().orElse(false)) {
                return "4.1.0";
            } else {
                return "4.0.0";
            }

        })
    }

    val integTestUseAgentSysPropName = "org.gradle.integtest.agent.allowed"
    val integtestAgentAllowed = project.providers.gradleProperty(integTestUseAgentSysPropName);
    if (integtestAgentAllowed.isPresent) {
        val shouldUseAgent = integtestAgentAllowed.get().toBoolean()
        systemProperties[integTestUseAgentSysPropName] = shouldUseAgent.toString()
    }
}


private

        if (jobExecutor == null) {
            throw new ScheduledJobException("No jobExecutor: " + scriptType);
        }

        if (!jobManager.findJobByUniqueOf(LaJobUnique.of(id)).isPresent()) {
            if (logger.isDebugEnabled()) {
                logger.debug("Job is running: id={}", id);
            }
            return;
        }

        TimeoutTask task = null;
        try {

            final RequestManager requestManager = ComponentUtil.getRequestManager();
            try {
                requestManager.findUserBean(FessUserBean.class)
                        .ifPresent(fessUserBean -> stream(fessUserBean.getPermissions()).of(stream -> stream.forEach(roleSet::add)))
                        .orElse(() -> {