// The Conn type allows callers to multiplex multiple read/write channels over
// a single websocket.
//
// "channel.k8s.io"
//
// The Websocket RemoteCommand subprotocol "channel.k8s.io" prepends each binary message with a
// byte indicating the channel number (zero indexed) the message was sent on. Messages in both
// directions should prefix their messages with this channel byte. Used for remote execution,

	if err != nil {
		return fmt.Errorf("validation failed for DRA plugin %s at endpoint %s: %+v", pluginName, endpoint, err)
	}

	return err
}

// log prepends log string with `kubernetes.io/dra`.
func log(msg string, parts ...interface{}) string {
	return fmt.Sprintf(fmt.Sprintf("%s: %s", DRAPluginName, msg), parts...)

        return new RelativePath(endsWithFile, this, segments);
    }

    /**
     * Prepends the given names to the start of this path.
     *
     * @param segments The names to prepend
     * @return The new path.
     */
    public RelativePath prepend(String... segments) {
        return new RelativePath(false, segments).append(this);
    }

    @Override

        // If some entries from this classpath are also in the prepended classpath, then the prepended ones win.
        // Existing transforms for these entries have to be discarded.
        // We can think of the prepended classpath as the TransformedClassPath without actual transforms,
        // and then just append this classpath to it to achieve the desired behavior.

	"k8s.io/apimachinery/pkg/util/remotecommand"
	"k8s.io/apimachinery/pkg/util/runtime"
	"k8s.io/klog/v2"
)

const WebSocketProtocolHeader = "Sec-Websocket-Protocol"

// The Websocket subprotocol "channel.k8s.io" prepends each binary message with a byte indicating
// the channel number (zero indexed) the message was sent on. Messages in both directions should

		}
	default:
		p.errorf("register extension not supported on this architecture")
	}
}

// qualifySymbol returns name as a package-qualified symbol name. If
// name starts with a period, qualifySymbol prepends the package
// prefix. Otherwise it returns name unchanged.
func (p *Parser) qualifySymbol(name string) string {
	if strings.HasPrefix(name, ".") {
		name = p.pkgPrefix + name
	}
	return name
}

	if s == "" {
		return s
	}
	return strings.TrimSuffix(s, SlashSeparator) + SlashSeparator
}

// pathsJoinPrefix - like pathJoin retains trailing SlashSeparator
// for all elements, prepends them with 'prefix' respectively.
func pathsJoinPrefix(prefix string, elem ...string) (paths []string) {
	paths = make([]string, len(elem))
	for i, e := range elem {
		paths[i] = pathJoin(prefix, e)
	}
	return paths

  // * We are more responsive to completion than timeouts. This is because parkNanos depends on
  //   system scheduling and as such we could either miss our deadline, or unpark() could be delayed
  //   so that it looks like we timed out even though we didn't. For comparison FutureTask respects
  //   completion preferably and AQS is non-deterministic (depends on where in the queue the waiter

  // * We are more responsive to completion than timeouts. This is because parkNanos depends on
  //   system scheduling and as such we could either miss our deadline, or unpark() could be delayed
  //   so that it looks like we timed out even though we didn't. For comparison FutureTask respects
  //   completion preferably and AQS is non-deterministic (depends on where in the queue the waiter

    Invokable<?, Prepender> delegate = Prepender.constructor(String.class, int.class);
    Prepender prepender = delegate.invoke(null, "a", 1);
    assertEquals("a", prepender.prefix);
    assertEquals(1, prepender.times);
  }

  public void testConstructor_returning() throws Exception {
    Invokable<?, Prepender> delegate =
        Prepender.constructor(String.class, int.class).returning(Prepender.class);