abstract class GreetingFileTask extends DefaultTask {

    @InputFiles
    abstract RegularFileProperty getSource()

    @OutputFile
    abstract RegularFileProperty getDestination()

    @TaskAction
    def greet() {
        def file = getDestination().get().asFile
        if (source.get().asFile.exists()) {
            file.write("Hello ${source.get().asFile.text}!")
        } else {
            file.write 'Hello missing file!'

// tag::all[]
// tag::task[]
abstract class GreetingToFileTask extends DefaultTask {

    @OutputFile
    abstract RegularFileProperty getDestination()

    @TaskAction
    def greet() {
        def file = getDestination().get().asFile
        file.parentFile.mkdirs()
        file.write 'Hello!'
    }
}
// end::task[]

// tag::config[]
def greetingFile = objects.fileProperty()

tasks.register('greet', GreetingToFileTask) {

     */
    @OutputFile
    public File getDestination() {
        return destination == null ? null : getFileResolver().resolve(destination);
    }

    /**
     * Sets the destination the descriptor will be written to.
     *
     * @param destination The file the descriptor will be written to.
     * @since 4.0
     */
    public void setDestination(File destination) {
        this.destination = destination;

				ServiceIndex:     i,
				DestinationIndex: j,
				Destination:      rd.GetDestination(),
			})
		}
	}
	for i, r := range vs.GetTls() {
		for j, rd := range r.GetRoute() {
			destinations = append(destinations, &AnnotatedDestination{
				RouteRule:        "tls",
				ServiceIndex:     i,
				DestinationIndex: j,
				Destination:      rd.GetDestination(),
			})
		}
	}
	for i, r := range vs.GetHttp() {

// tag::fixed[]
abstract class MyCopyTask extends DefaultTask { // <1>

    @InputDirectory abstract DirectoryProperty getSource() // <2>

    @OutputDirectory abstract DirectoryProperty getDestination() // <2>

    @Inject abstract FileSystemOperations getFs() // <3>

    @TaskAction
    void action() {
        fs.copy { // <3>
            from source
            into destination
        }
    }
}

            InternalTestOutputDescriptor descriptor = new DefaultTestOutputDescriptor(new OperationIdentifier(idFactory.nextId()), buildOperationId);
            int destination = getDestination(progress.getOutput().getDestination());
            DefaultTestOutputResult result = new DefaultTestOutputResult(progressEvent.getTime(), progressEvent.getTime(), destination, progress.getOutput().getMessage());

abstract class MyCopyTask extends DefaultTask {

    @InputDirectory abstract DirectoryProperty getSource()

    @OutputDirectory abstract DirectoryProperty getDestination()

    @Inject abstract FileSystemOperations getFs()

    @TaskAction
    void action() {
        fs.copy {
            from source
            into destination
        }
    }
}

// tag::fixed-reuse[]
tasks.register('someTask', MyCopyTask) {

        if (outputEvent.getDestination() == TestOutputEvent.Destination.StdOut
                && isLoggedEventType(TestLogEvent.STANDARD_OUT)) {
            logEvent(descriptor, TestLogEvent.STANDARD_OUT, TextUtil.indent(outputEvent.getMessage(), INDENT) + "\n");
        } else if (outputEvent.getDestination() == TestOutputEvent.Destination.StdErr

     */
    @OutputFile
    public File getDestination() {
        return destination == null ? null : getFileResolver().resolve(destination);
    }

    /**
     * Sets the destination the descriptor will be written to.
     *
     * @param destination The file the descriptor will be written to.
     * @since 4.0
     */
    public void setDestination(File destination) {
        this.destination = destination;

        super(internalDescriptor, parent);
        this.destination = destination;
        this.message = message;
    }

    @Override
    public Destination getDestination() {
        return destination;
    }

    @Override
    public String getMessage() {
        return message;
    }