private ExecutionSequencer() {}

  /** Creates a new instance. */
  public static ExecutionSequencer create() {
    return new ExecutionSequencer();
  }

  /** This reference acts as a pointer tracking the head of a linked list of ListenableFutures. */
  private final AtomicReference<ListenableFuture<@Nullable Void>> ref =
      new AtomicReference<>(immediateVoidFuture());

   * ServiceManager} constructor without having to close over the partially constructed {@link
   * ServiceManager} instance (i.e. avoid leaking a pointer to {@code this}).
   */
  private final ServiceManagerState state;

  private final ImmutableList<Service> services;

  /**
   * Constructs a new instance for managing the given services.
   *

   * ServiceManager} constructor without having to close over the partially constructed {@link
   * ServiceManager} instance (i.e. avoid leaking a pointer to {@code this}).
   */
  private final ServiceManagerState state;

  private final ImmutableList<Service> services;

  /**
   * Constructs a new instance for managing the given services.
   *

func (b *Buffer) AvailableBuffer() []byte { return b.buf[len(b.buf):] }

// String returns the contents of the unread portion of the buffer
// as a string. If the [Buffer] is a nil pointer, it returns "<nil>".
//
// To build strings more efficiently, see the [strings.Builder] type.
func (b *Buffer) String() string {
	if b == nil {
		// Special case, useful in debugging.
		return "<nil>"
	}

	inBytes       atomic.Int64
	inMessages    atomic.Int64
	outMessages   atomic.Int64
	reconnects    atomic.Int64
	lastConnect   atomic.Pointer[time.Time]
	lastPingDur   atomic.Int64

	// For testing only
	debugInConn   net.Conn
	debugOutConn  net.Conn
	blockMessages atomic.Pointer[<-chan struct{}]
	addDeadline   time.Duration
	connMu        sync.Mutex
}

		defer cancel()
		respBody, err := healthClient.Call(ctx, peerRESTMethodHealth, nil, nil, -1)
		xhttp.DrainBody(respBody)
		return !isNetworkError(err)
	}
	var gridConn atomic.Pointer[grid.Connection]

	return &peerRESTClient{
		host: peer, restClient: restClient, gridHost: gridHost,
		gridConn: func() *grid.Connection {
			// Lazy initialization of grid connection.

   * <p>Usage example:
   *
   * <pre>{@code
   * ListenableFuture<Integer> fetchCounterFuture = ...;
   *
   * // Falling back to a zero counter in case an exception happens when
   * // processing the RPC to fetch counters.
   * ListenableFuture<Integer> faultTolerantFuture = Futures.catching(
   *     fetchCounterFuture, FetchException.class, x -> 0, directExecutor());
   * }</pre>
   *

to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.

    <one line to give the program's name and a brief idea of what it does.>
    Copyright (C) <year>  <name of author>

     * <li>all servers registered as members of a NetBIOS workgroup if this
     * resource refers to a workgroup in a <code>smb://workgroup/</code> URL,
     * <li>all browseable shares of a server including printers, IPC
     * services, or disk volumes if this resource is a server URL in the form
     * <code>smb://server/</code>,
     * <li>or <code>null</code> if the resource cannot be resolved.
     * </ul>
     *

box-shadow(none);\n  }\n\n  &:not(:disabled):not(.disabled) {\n    cursor: if($enable-pointer-cursor-for-buttons, pointer, null);\n\n    &:active,\n    &.active {\n      @include box-shadow($btn-active-box-shadow);\n\n      &:focus {\n        @include box-shadow($btn-focus-box-shadow, $btn-active-box-shadow);\n      }\n    }\n  }\n}\n\n// Future-proof disabling of clicks on `<a>` elements\na.btn.disabled,\nfieldset:disabled a.btn {\n  pointer-events: none;\n}\n\n\n//\n// Alternate buttons\n//\n\n@each $color, $value...