void include(File... includeRoots);

    List<File> getSystemIncludeRoots();

    void systemInclude(Iterable<File> systemIncludeRoots);

    List<File> getSourceFiles();

    void setSourceFiles(Collection<File> sources);

    void source(Iterable<File> sources);

    List<File> getRemovedSourceFiles();

    void setRemovedSourceFiles(Collection<File> sources);

        );
    }

    public BuildLayoutParameters(
        @Nullable File gradleInstallationHomeDir,
        File gradleUserHomeDir,
        @Nullable File projectDir,
        File currentDir,
        @Nullable File settingsFile,
        @Nullable File buildFile
    ) {
        this.gradleUserHomeDir = gradleUserHomeDir;
        this.gradleInstallationHomeDir = gradleInstallationHomeDir;
        this.projectDir = projectDir;

        "some-file.zip"     | "some-file"       | "zip"     | "1.2"
        "some-file.zip.zip" | "some-file.zip"   | "zip"     | "1.2"
        ".zip"              | ""                | "zip"     | "1.2"
        "some-file"         | "some-file"       | ""        | "1.2"

        "some-file.zip"     | "some-file"       | "zip"     | null
        "some-file.zip.zip" | "some-file.zip"   | "zip"     | null

        new File(rootDir, "subdir/../../current/outside") | new File(rootDir, "file/inside")
    }

    def "returns relative path where file inside of root"() {
        when:
        def file = new File(rootDir, filePath)
        def current = new File(rootDir, "current/dir")

        then:
        transform(current, file) == relativePath

        where:

  }

  private static File fullpath(String path) {
    return new File(new File(path).toURI());
  }

  private static URL makeJarUrlWithName(String name) throws IOException {
    /*
     * TODO: cpovirk - Use java.nio.file.Files.createTempDirectory instead of
     * c.g.c.io.Files.createTempDir?
     */
    File fullPath = new File(Files.createTempDir(), name);
    File jarFile = pickAnyJarFile();

    }

    def "removes content on unsupported file systems at the end of the build"() {
        def watchableHierarchy = file("watchable").createDir()
        def watchableContent = watchableHierarchy.file("some/dir/file.txt").createFile()
        def unsupportedFileSystemMountPoint = watchableHierarchy.file("unsupported")
        def unwatchableContent = unsupportedFileSystemMountPoint.file("some/file.txt").createFile()

        when:

// Go generate should ignore this file.

//go:generate echo Fail b

// +build b

package excluded


-- nopkg/a.go --
// Go file with package clause after comment.
// Go generate should process this file.

/* Pre-comment */ package nopkg
//go:generate echo Success a

-- nopkg/b.go --
// Go file with commented package clause.
// Go generate should ignore this file.

//package nopkg

        assert snapshot.absolutePath == file.absolutePath
        assert snapshot.name == file.name
        assert snapshot.type == FileType.RegularFile
        assert snapshot.hash == hashFile(file)
    }

    void assertIsMissingFileSnapshot(FileSystemLocationSnapshot snapshot, File file) {
        assert snapshot.absolutePath == file.absolutePath

            ProcessGroovyMethodsExecute.execute(["some", "string"])
            ProcessGroovyMethodsExecute.execute(["some", "string"], ["array"] as String[], file("test"))
            ProcessGroovyMethodsExecute.execute(["some", "string"], ["array"], file("test"))

            execute("some string")
            execute("some string", ["array"] as String[], file("test"))
            execute("some string", ["array"], file("test"))

    private final File file;
    private final RelativePath relativePath;
    private final Stat stat;

    public DefaultFileTreeElement(File file, RelativePath relativePath, Chmod chmod, Stat stat) {
        super(chmod);
        this.file = file;
        this.relativePath = relativePath;
        this.stat = stat;
    }

    public static DefaultFileTreeElement of(File file, FileSystem fileSystem) {