private String headerLine;

    private File target;

    private List<String> additionalLines = new ArrayList<>();

    public void setFiles(FileTree files) {
        this.files = files;
    }

    @InputFiles
    public FileTree getFiles() {
        return files;
    }

    public void setHeaderLine(String headerLine) {
        this.headerLine = headerLine;
    }

    @Input

        extension.getClasspath().from(runtimeClasspath);
        extension.getSourceRoots().from(sourcesPath.getIncoming().artifactView(v -> v.lenient(true)).getFiles());
        extension.getDocumentedSource().from(sourcesPath.getIncoming().artifactView(v -> v.lenient(true)).getFiles().getAsFileTree().matching(f -> {
            f.include(PublicApi.INSTANCE.getIncludes());
            // Filter out any non-public APIs

    @TaskAction
    public void checkInvalidPermissions() throws IOException {
        if (Os.isFamily(Os.FAMILY_WINDOWS)) {
            throw new StopExecutionException();
        }
        List<String> failures = getFiles().getFiles()
            .stream()
            .filter(FilePermissionsTask::isExecutableFile)
            .map(file -> "Source file is executable: " + file)
            .collect(Collectors.toList());

        patterns.put("tab", "\t");
    }

    @InputFiles
    @PathSensitive(PathSensitivity.RELATIVE)
    @SkipWhenEmpty
    public FileCollection getFiles() {
        return getSourceFolders().get()
            .stream()
            .map(sourceFolder -> sourceFolder.matching(filesFilter))
            .reduce(FileTree::plus)

    }

    @Input
    public Map<String, File> getTestClassNames() {
        if (testClassNames == null) {
            testClassNames = Util.getJavaTestSourceSet(getProject())
                .get()
                .getOutput()
                .getClassesDirs()
                .getFiles()
                .stream()
                .filter(File::exists)

            // we can't figure out the commit ID (probably this is a source distribution build), let's skip adding source links
            return;
        }

        extension.getSourceRoots().getFiles()
            .forEach(
                file -> {
                    DokkaSourceLinkSpec sourceLinkSpec = project.getObjects().newInstance(DokkaSourceLinkSpec.class);

            files -> files.stream().filter(each -> each.delete() == false).collect(Collectors.toSet()),
            QualifiedVersion.of(VersionProperties.getElasticsearch()),
            this.getChangelogs().getFiles(),
            this.dryRun,
            this.rootDir
        );
    }

    @VisibleForTesting
    static void findAndDeleteFiles(
        GitWrapper gitWrapper,
        DeleteHelper deleteHelper,

        skippedTestByFilePatternTransformations.forEach((filePattern, reason) -> {
            //resolve file pattern to concrete files
            for (File file : getTestFiles().matching(filePattern).getFiles()) {
                skippedFilesWithReason.put(file, reason);
            }
        });

        Map<File, List<Pair<String, String>>> skippedFilesWithTestAndReason = new HashMap<>();

    private Object distTaskOutput(TaskProvider<Task> buildDistTask) {
        return new Callable<File>() {
            @Override
            public File call() {
                return buildDistTask.get().getOutputs().getFiles().getSingleFile();
            }

            @Override
            public String toString() {
                return call().getAbsolutePath();
            }
        };
    }

        Set<File> jars = getRuntimeConfiguration().getResolvedConfiguration().getFiles(reallyThirdParty);
        Set<File> compileOnlyConfiguration = getProject().getConfigurations()
            .getByName(CompileOnlyResolvePlugin.RESOLVEABLE_COMPILE_ONLY_CONFIGURATION_NAME)
            .getResolvedConfiguration()
            .getFiles(reallyThirdParty);