if (leaseKey != null) {
        LeaseEntry entry = leaseManager.getLease(leaseKey);
        return entry != null && entry.hasHandleCache();
    }
    return false;
}
```

### 6.3 Transport Layer Integration
```java
// In SmbTransport.java
private void handleIncomingMessage(ServerMessageBlock2 msg) {
    if (msg instanceof Smb2LeaseBreakNotification) {

  /**
   * The HTTP <a href="http://tools.ietf.org/html/rfc6797#section-6.1">{@code
   * Strict-Transport-Security}</a> header field name.
   *
   * @since 15.0
   */
  public static final String STRICT_TRANSPORT_SECURITY = "Strict-Transport-Security";

  /**
   * The HTTP <a href="http://www.w3.org/TR/resource-timing/#cross-origin-resources">{@code

		header.Set("X-Content-Type-Options", "nosniff")                                // Prevent mime-sniff
		header.Set("Strict-Transport-Security", "max-age=31536000; includeSubDomains") // HSTS mitigates variants of MITM attacks

		// Previously, this value was set right before a response was sent to

import okhttp3.internal.readMedium
import okio.Buffer
import okio.BufferedSource
import okio.ByteString
import okio.Source
import okio.Timeout

/**
 * Reads HTTP/2 transport frames.
 *
 * This implementation assumes we do not send an increased [frame][Settings.getMaxFrameSize] to the
 * peer. Hence, we expect all frames to have a max length of [Http2.INITIAL_MAX_FRAME_SIZE].
 */

    private boolean insecureBasic;
    /** The authentication realm */
    private String realm;
    /** The default domain for authentication */
    private String defaultDomain;

    /** The CIFS context for transport operations */
    private CIFSContext transportContext;

    @Override
    public void init() throws ServletException {

        final StringBuilder sb = new StringBuilder();

    /**
     * Resolver transport to use.
     * Can be <code>default</code>, <code>wagon</code>, <code>apache</code>, <code>jdk</code> or <code>auto</code>.
     *
     * @since 4.0.0
     */
    @Config(defaultValue = "default")
    public static final String MAVEN_RESOLVER_TRANSPORT = "maven.resolver.transport";

    /**
     * Plugin validation level.
     *

        w.setDaemon(true);
        w.start();

        /* Downgrade one transport to the lower of the negotiated buffer sizes
         * so we can just send whatever is received.
         */

        final SmbTransport t1 = tree.session.transport;
        final SmbTransport t2 = dest.tree.session.transport;

        if (t1.snd_buf_size < t2.snd_buf_size) {
            t2.snd_buf_size = t1.snd_buf_size;

        super(andx);
        command = SMB_COM_SESSION_SETUP_ANDX;
        this.session = session;
        this.cred = cred;

        sessionKey = session.transport.sessionKey;
        capabilities = session.transport.capabilities;

        if (session.transport.server.security == SECURITY_USER) {
            if (cred instanceof final NtlmPasswordAuthentication auth) {
                if (auth == NtlmPasswordAuthentication.ANONYMOUS) {

    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.util.transport.Response#error()
     */
    @Override
    public final void error() {
        this.error = true;
        synchronized (this) {
            notifyAll();
        }
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.util.transport.Response#clearReceived()
     */
    @Override

	if err != nil {
		return err
	}

	if r.NotificationCfg.Token != "" {
		req.Header.Set("Authorization", r.NotificationCfg.Token)
	}

	clnt := http.Client{Transport: getRemoteInstanceTransport()}
	resp, err := clnt.Do(req)
	if err != nil {
		return err
	}

	xhttp.DrainBody(resp.Body)
	if resp.StatusCode != http.StatusOK {
		return errors.New(resp.Status)
	}