private Set<String> getUnknownParameters(MojoExecution mojoExecution, Set<String> parameters) {
        return stream(mojoExecution.getConfiguration().getChildren())
                .map(Xpp3Dom::getName)
                .filter(name -> !parameters.contains(name))
                .collect(Collectors.toSet());
    }

        final String name = fessConfig.getQueryBrowserLangParameterName();
        if (StringUtil.isNotBlank(name)) {
            try {
                return requestManager.getParameter(name).filter(StringUtil::isNotBlank).map(LocaleUtils::toLocale);
            } catch (final Exception e) {
                logger.debug("Failed to parse locale: name={}", name, e);
            }
        }

                val taskPathToReports = ******@****.***ks
                    .associate { it.path to it.genericHtmlReports() + it.findTraceJson() }
                    .filter { it.value.isNotEmpty() }

                parameters.taskPathToReports = globalExtension.taskPathToReports.map { taskPathToReportsInExtension ->

                    if (maxDepth == -1 || crawlRequest.getDepth() < maxDepth) {
                        e.getChildUrlList()
                                .stream() //
                                .filter(data -> !processedUrls.contains(data.getUrl())) //
                                .map(data -> new CrawlRequest(data.getUrl(), crawlRequest.getDepth() + 1)) //
                                .forEach(requestQueue::offer);

                final String name = accessToken.getParameterName();
                stream(request.getParameterValues(name)).of(stream -> stream.filter(StringUtil::isNotBlank).forEach(permissionSet::add));
                return OptionalEntity.of(permissionSet);
            }).orElseThrow(() -> new InvalidAccessTokenException("invalid_token", "Invalid token: " + token));

                && (rootProject.getDefaultGoal() != null
                        && !rootProject.getDefaultGoal().isEmpty())) {
            tasks = Stream.of(rootProject.getDefaultGoal().split("\\s+"))
                    .filter(g -> !g.isEmpty())
                    .collect(Collectors.toList());
        }

        return calculateTaskSegments(session, tasks);
    }

    @Override

            final PermissionHelper permissionHelper = ComponentUtil.getPermissionHelper();
            form.permissions = stream(entity.getPermissions()).get(stream -> stream.map(s -> permissionHelper.decode(s))
                    .filter(StringUtil::isNotBlank)
                    .distinct()
                    .collect(Collectors.joining("\n")));
        }).orElse(() -> {

public class LayeredMavenOptions<O extends MavenOptions> extends LayeredOptions<O> implements MavenOptions {
    public static MavenOptions layerMavenOptions(Collection<MavenOptions> options) {
        List<MavenOptions> o = options.stream().filter(Objects::nonNull).toList();
        if (o.isEmpty()) {
            throw new IllegalArgumentException("No options specified (or all were null)");
        } else if (o.size() == 1) {
            return o.get(0);

        this.artifactTransformations = Stream.of("release", "latest", "snapshot")
                .map(artifactTransformations::get)
                .filter(Objects::nonNull)
                .collect(Collectors.toList());
    }

    @Override
    public void transformForResolve(Artifact artifact, RepositoryRequest request)

            ExpressionEvaluator expressionEvaluator) {
        if (mojoDescriptor.getParameters() == null) {
            return;
        }

        mojoDescriptor.getParameters().stream()
                .filter(this::isDeprecated)
                .map(this::formatParameter)
                .forEach(m -> pluginValidationManager.reportPluginMojoValidationIssue(