// Wait for the first task to be started in the background. It will block until we explicitly
    // stop it.
    blockingCallable.waitForStart();

    // This time, cancel the future for the first task. The task remains running, only the future
    // is cancelled.
    future1.cancel(false);

    // Give the second task a chance to (incorrectly) start up while the first task is running.
    // (This is the assertion that fails.)

		c.inMessages.Add(int64(messages))
		for range messages {
			if atomic.LoadUint32((*uint32)(&c.state)) != StateConnected {
				return
			}
			var next []byte
			next, remain, err = msgp.ReadBytesZC(remain)
			if err != nil {
				if !xnet.IsNetworkOrHostDown(err, true) {
					gridLogIf(ctx, fmt.Errorf("ws read merged: %w", err))
				}
				return
			}

			m.Payload = nil

   * If the new value is loaded successfully it will replace the previous value in the cache; if an
   * exception is thrown while refreshing the previous value will remain, <i>and the exception will
   * be logged (using {@link java.util.logging.Logger}) and swallowed</i>.
   *
   * <p>Caches loaded by a {@link CacheLoader} will call {@link CacheLoader#reload} if the cache

A subroute on a client must match a subroute on the server. So routes cannot be used for dynamic routing, unlike HTTP.

Handlers should remain backwards compatible. If a breaking API change is required, a new handler ID should be created.

## Setup & Configuration

A **Manager** is used to manage all incoming and outgoing connections to a server.

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