return this.delegate.isUsePersistentHandles();
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.Configuration#getDurableHandleTimeout()
     */
    @Override
    public long getDurableHandleTimeout() {
        return this.delegate.getDurableHandleTimeout();
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.Configuration#getHandleReconnectRetries()
     */

    } else if (tree.getSession().supports(SMB2_1)) {
        handleType = HandleType.DURABLE_V1;
    } else {
        return;  // No durable handle support
    }
    
    long timeout = config.getDurableHandleTimeout();
    Smb2LeaseKey leaseKey = getLeaseKey();  // Get associated lease if any
    
    handleGuid = handleManager.requestDurableHandle(getPath(), handleType, 

    /**
     * Property {@code jcifs.smb.client.durableHandleTimeout}, defaults to 120000
     *
     * @return timeout for durable handles in milliseconds
     */
    long getDurableHandleTimeout();

    /**
     * Property {@code jcifs.smb.client.handleReconnectRetries}, defaults to 3
     *
     * @return maximum number of retry attempts for handle reconnection
     */

        return this.useDurableHandles;
    }

    @Override
    public boolean isUsePersistentHandles() {
        return this.usePersistentHandles;
    }

    @Override
    public long getDurableHandleTimeout() {
        return this.durableHandleTimeout;
    }

    @Override
    public int getHandleReconnectRetries() {
        return this.handleReconnectRetries;
    }

    @Override