return new Predicate<StackTraceElement>() {
      @Override
      public boolean apply(StackTraceElement element) {
        return element.getClassName().equals(clazz.getName());
      }
    };
  }

  private static final class CallerClass1 {
    static ListenableFuture<String> makeImmediateCancelledFuture() {
      return immediateCancelledFuture();

    return new Predicate<StackTraceElement>() {
      @Override
      public boolean apply(StackTraceElement element) {
        return element.getClassName().equals(clazz.getName());
      }
    };
  }

  private static final class CallerClass1 {
    static ListenableFuture<String> makeImmediateCancelledFuture() {
      return immediateCancelledFuture();

	r1, _, e1 := syscall.Syscall(procExitWindowsEx.Addr(), 2, uintptr(flags), uintptr(reason), 0)
	if r1 == 0 {
		err = errnoErr(e1)
	}
	return
}

func GetClassName(hwnd HWND, className *uint16, maxCount int32) (copied int32, err error) {
	r0, _, e1 := syscall.Syscall(procGetClassNameW.Addr(), 3, uintptr(hwnd), uintptr(unsafe.Pointer(className)), uintptr(maxCount))
	copied = int32(r0)