new ClosingCallable<TestCloseable>() {
                  @Override
                  public TestCloseable call(DeferredCloser closer) throws Exception {
                    closer.eventuallyClose(closeable1, closingExecutor);
                    closer.eventuallyClose(closeable2, closingExecutor);
                    return closeable3;
                  }
                },
                executor)

    Closer closer = new Closer(suppressor);

    TestCloseable c1 = closer.register(TestCloseable.normal());
    TestCloseable c2 = closer.register(TestCloseable.normal());

    IOException exception = new IOException();

    try {
      try {
        throw exception;
      } catch (Throwable e) {
        throw closer.rethrow(e);
      } finally {
        closer.close();
      }

        tempFileStore.withTempFile(key, file -> {
            try {
                Closer closer = Closer.create();
                try {
                    result.accept(closer.register(new FileOutputStream(file)));
                } catch (Exception e) {
                    throw closer.rethrow(e);
                } finally {
                    closer.close();
                }
            } catch (IOException ex) {

	// from the register set (most constrained first).
	// Inputs which do not need registers are not listed.
	inputs []inputInfo
	// clobbers encodes the set of registers that are overwritten by
	// the instruction (other than the output registers).
	clobbers regMask
	// outputs is the same as inputs, but for the outputs of the instruction.
	outputs []outputInfo
}

func (r *regInfo) String() string {
	s := ""

                new ClosingCallable<TestCloseable>() {
                  @Override
                  public TestCloseable call(DeferredCloser closer) throws Exception {
                    closer.eventuallyClose(closeable1, closingExecutor);
                    closer.eventuallyClose(closeable2, closingExecutor);
                    return closeable3;
                  }
                },
                executor)

 *
 * <pre>{@code
 * FluentFuture<UserName> userName =
 *     ClosingFuture.submit(
 *             closer -> closer.eventuallyClose(database.newTransaction(), closingExecutor),
 *             executor)
 *         .transformAsync((closer, transaction) -> transaction.queryClosingFuture("..."), executor)
 *         .transform((closer, result) -> result.get("userName"), directExecutor())

	w.hasWritten = true
	return w.Writer.Write(p)
}

// Close closes the WriteOnCloser. It behaves like io.Closer.
func (w *WriteOnCloser) Close() error {
	if !w.hasWritten {
		_, err := w.Write(nil)
		if err != nil {
			return err
		}
	}
	if closer, ok := w.Writer.(io.Closer); ok {
		return closer.Close()
	}
	return nil
}

// HasWritten returns true if at least one write operation was performed.

func (b *streamingBitrotReader) Close() error {
	if b.rc == nil {
		return nil
	}
	if closer, ok := b.rc.(io.Closer); ok {
		// drain the body for connection reuse at network layer.
		xhttp.DrainBody(struct {
			io.Reader
			io.Closer
		}{
			Reader: b.rc,
			Closer: closeWrapper(func() error { return nil }),
		})
		return closer.Close()
	}
	return nil
}

)

// scope hold resources in a particular scope.
type scope struct {
	// friendly name for the scope for debugging purposes.
	id string

	parent *scope

	resources []resource.Resource

	closers []io.Closer

	children []*scope

	closeChan chan struct{}

	topLevel bool

	skipDump bool

	// Mutex to lock changes to resources, children, and closers that can be done concurrently
	mu sync.Mutex
}

    }

    protected static File getFileForClasspathResource(String resource)
            throws FileNotFoundException, URISyntaxException {
        ClassLoader cloader = Thread.currentThread().getContextClassLoader();

        URL resourceUrl = cloader.getResource(resource);

        if (resourceUrl == null) {
            throw new FileNotFoundException("Unable to find: " + resource);
        }