* @param channel
     *            ファイルチャネル。{@literal null}であってはいけません
     * @param mode
     *            モード。{@literal null}であってはいけません
     * @return ファイルチャネルをメモリにマップした{@link ByteBuffer}
     */
    public static ByteBuffer map(final FileChannel channel, final MapMode mode) {
        assertArgumentNotNull("channel", channel);
        assertArgumentNotNull("mode", mode);

        try {

    fun asConfigurationId(model: CIBuildModel, bucket: String): String
    fun channel(): String
}

interface PerformanceTestProjectSpec {
    val os: Os
    val type: PerformanceTestType
    val failsStage: Boolean

    fun asConfigurationId(model: CIBuildModel): String
    fun asName(): String
    fun channel(): String
}

data class PerformanceTestPartialTrigger(
    val triggerName: String,

                channel.truncate(0);
                props.store(Channels.newOutputStream(channel), "Last modified on: " + new Date());

                lock.release();
                lock = null;

                channel.close();
                channel = null;
            } catch (IOException e) {
                getLogger()
                        .debug(

  private final File path;
  private InetSocketAddress inetSocketAddress;

  TunnelingUnixSocket(File path, UnixSocketChannel channel) {
    super(channel);
    this.path = path;
  }

  TunnelingUnixSocket(File path, UnixSocketChannel channel, InetSocketAddress address) {
    this(path, channel);
    this.inetSocketAddress = address;
  }

  @Override public void connect(SocketAddress endpoint) throws IOException {

type Stream struct {
	// responses from the remote server.
	// Channel will be closed after error or when remote closes.
	// All responses *must* be read by the caller until either an error is returned or the channel is closed.
	// Canceling the context will cause the context cancellation error to be returned.
	responses <-chan Response
	cancel    context.CancelCauseFunc

	// Requests sent to the server.

            listOf(Channel, Standard).flatMap { socketMode ->
              listOf(DISABLED, STANDARD).map { tlsExtensionMode ->
                TlsInstance(provider, protocol, tlsVersion, socketMode, tlsExtensionMode)
              }
            }
          }
        }
      } + Channel + Standard
  }
}

sealed class SocketMode

object Channel : SocketMode() {

use a synchronization mechanism such as a lock or channel
communication to establish a relative ordering.
</p>

<h3 id="chan">Channel communication</h3>

<p>
Channel communication is the main method of synchronization
between goroutines.  Each send on a particular channel
is matched to a corresponding receive from that channel,
usually in a different goroutine.
</p>

<p class="rule">

	// Close when we reach 0
	globalServiceFreezeCnt--
	if globalServiceFreezeCnt <= 0 {
		// Set to a nil channel.
		var _ch chan struct{}
		if val := globalServiceFreeze.Swap(_ch); val != nil {
			if ch, ok := val.(chan struct{}); ok && ch != nil {
				// Close previous non-nil channel.
				xioutil.SafeClose(ch)
			}
		}
		globalServiceFreezeCnt = 0 // Don't risk going negative.
	}

func clear[T ~[]Type | ~map[Type]Type1](t T)

// The close built-in function closes a channel, which must be either
// bidirectional or send-only. It should be executed only by the sender,
// never the receiver, and has the effect of shutting down the channel after
// the last sent value is received. After the last value has been received
// from a closed channel c, any receive from c will succeed without

func (target *AMQPTarget) isActive() (bool, error) {
	ch, _, err := target.channel()
	if err != nil {
		return false, err
	}
	defer func() {
		ch.Close()
	}()
	return true, nil
}

func (target *AMQPTarget) channel() (*amqp091.Channel, chan amqp091.Confirmation, error) {
	var err error
	var conn *amqp091.Connection
	var ch *amqp091.Channel

	isAMQPClosedErr := func(err error) bool {