class DeviceSet {
 public:
  void Insert(DeviceId device_id);
  void UnionWith(const DeviceSet& other);
  bool IsEmpty() const;

  // Calls `func` on each DeviceId in the set.  Stops iterating early if `func`
  // return false.
  //
  // TODO(sanjoy): Change this to take a typed std::function if that's
  // performance neutral.
  template <typename FnTy>
  void ForEach(FnTy func) const {

// group, and others while retaining any existing execute bits from
// the file in fsys.
//
// Symbolic links in fsys are not supported, a *PathError with Err set
// to ErrInvalid is returned on symlink.
//
// Copying stops at and returns the first error encountered.
func CopyFS(dir string, fsys fs.FS) error {
	return fs.WalkDir(fsys, ".", func(path string, d fs.DirEntry, err error) error {
		if err != nil {
			return err
		}

	var ctx context.Context
	ctx, m.cancelFn = context.WithCancel(context.Background())
	go m.dynamicCertificateContent.Run(ctx, 1)
}

// Stop stops watching the certificate and key files
func (m *kubeletServerCertificateDynamicFileManager) Stop() {
	if m.cancelFn != nil {
		m.cancelFn()
	}
}

// ServerHealthy always returns true since the file manager doesn't communicate with any server

	// Otherwise it stops test execution.
	//
	// Deprecated: Tests should not make assumptions about number of clusters.
	RequireMinClusters(minClusters int) Suite
	// RequireMaxClusters ensures that the current environment contains at least the given number of clusters.
	// Otherwise it stops test execution.
	//

	Title    string
	Default  JSON
	Nullable bool
}

// +k8s:deepcopy-gen=true

// Extensions contains the Kubernetes OpenAPI v3 vendor extensions.
type Extensions struct {
	// x-kubernetes-preserve-unknown-fields stops the API server
	// decoding step from pruning fields which are not specified
	// in the validation schema. This affects fields recursively,
	// but switches back to normal pruning behaviour if nested

    }

    /**
     * Stops the daemon, blocking until any current requests/connections have been satisfied.
     * <p>
     * This is the semantically the same as sending the daemon the Stop command.
     * <p>
     * This method does not quite conform to the semantics of the Stoppable contract in that it will NOT
     * wait for any executing builds to stop before returning. This is by design as we currently have no way of

		b := backoff.NewExponentialBackOff(backoff.DefaultOption())
		// context for both timeout and channel, whichever stops first, the context will be done
		ctx, cancel := context.WithCancel(context.Background())
		go func() {
			select {
			case <-ret.stop:
				cancel()
			case <-ctx.Done():
			}
		}()
		defer cancel()
		_ = b.RetryWithContext(ctx, func() error {

// Equal reports whether two slices are equal: the same length and all
// elements equal. If the lengths are different, Equal returns false.
// Otherwise, the elements are compared in increasing index order, and the
// comparison stops at the first unequal pair.
// Floating point NaNs are not considered equal.
func Equal[S ~[]E, E comparable](s1, s2 S) bool {
	if len(s1) != len(s2) {
		return false
	}
	for i := range s1 {
		if s1[i] != s2[i] {

    }

    /**
     * Forcibly stops the daemon, even if it is busy.
     *
     * If the daemon is busy and the client is waiting for a response, it may receive “null” from the daemon as the connection may be closed by this method before the result is sent back.
     *
     * @see #requestStop(String reason)
     */
    @Override
    public void stop() {
        stopNow("service stop");
    }

    }

    def "an exception from stop action is rethrown"() {
        given:
        def provider = registerService("service", ServiceImpl)
        provider.beforeStopping { throw new UnsupportedOperationException("Don't stop") }
        when:
        buildFinished()

        then:
        thrown(Exception)
    }

    def "other stop actions run if one of them throws"() {
        given: