/**
     * Enables or disables read access to a file or directory for a certain class of users.
     * <p>
     * Read access grants the capability to view the contents of a file,
     * or to list the contents of a directory.
     */
    void setRead(boolean read);

    /**
     * Enables or disables write access to a file or directory for a certain class of users.
     * <p>

    private final GcsServer server
    private final TestFile directory
    private final String bucket
    private final String path

    GcsDirectoryResource(GcsServer server, String bucket, TestFile directory) {
        this.bucket = bucket
        this.directory = directory
        this.server = server
        def directoryUri = directory.toURI().toString()

     */
    void jar(File destinationFile, Action action);

    /**
     * Creates a directory using the given action to add entries to it. If the directory already exists, it will be cleared first.
     *
     * @param destinationDir the directory to place entries into
     * @param action the action to populate the directory
     */
    void directory(File destinationDir, Action action);

    @FunctionalInterface
    interface Action {

                    logger.lifecycle("Removing old cache directory : $stateDir")
                    delete { delete(stateDir) }
                }
            }
        }
    }
}


/**
 * Clean up daemon log files produced in integration tests.
 */
fun FileSystemOperations.removeDaemonLogFiles(dir: Directory) {
    if (dir.asFile.isDirectory) {

    }

    private
    fun someClasses(): Sequence<Path> {
        val directory = projectDir.resolve("classes")

        touchFile(directory.resolve("com/acme/Foo.class"))
        touchFile(directory.resolve("com/acme/internal/FooInternal.class"))
        touchFile(directory.resolve("com/foo/internal/FooInternal.class"))
        touchFile(directory.resolve("javax/servlet/http/HttpServletRequest.class"))

            collectEntry(snapshot);
        }
        return snapshot;
    }

    private void collectEntry(FileSystemLocationSnapshot snapshot) {
        Directory directory = directoryStack.peekLast();
        if (directory != null) {
            directory.collectEntry(snapshot);
        } else {
            assert result == null;
            result = snapshot;
        }
    }

    @Override

 []

 Depending on what the directory represents ("groupId", "groupId/artifactId" or "groupId/artifactId/version"),
 the Maven Repository Metadata file contains 3 different sets of metadata:

 [[1]] in a "groupId" directory: a "groupId" directory may contain Maven plugins artifacts, which are described in metadata's <<<plugins>>> element,

     *
     * <p>There are two cases where this might be true: Gradle was invoked from a directory where there is no build script and no settings script in the directory hierarchy,
     * or Gradle was invoked from a directory where there is a settings script in the directory hierarchy but the directory is not a project directory for any project defined
     * in that settings script.</p>

    private String extension, directory, classifier, packaging, language;
    private boolean includesDependencies, addedToClasspath;

    public void setExtension(String extension) {
        this.extension = extension;
    }

    @Override
    public String getExtension() {
        return extension;
    }

    public void setDirectory(String directory) {
        this.directory = directory;
    }

// If the file is a symlink to a directory, it will watch the symlink but not any of the subdirectories.
//
// Each file or directory change triggers two events: one from the watch on itself, another from the watch
// on its parent directory.
func (prober *flexVolumeProber) addWatchRecursive(filename string) error {