// Arrange
        when(tree.send(eq(request), eq(RequestParam.NO_TIMEOUT), eq(RequestParam.NO_RETRY))).thenReturn(response);

        // Act
        CommonServerMessageBlockResponse out = tree.send(request, RequestParam.NO_TIMEOUT, RequestParam.NO_RETRY);

        // Assert
        assertSame(response, out);
        verify(tree).send(request, RequestParam.NO_TIMEOUT, RequestParam.NO_RETRY);
    }

    @Test

                new RequestParam[] { RequestParam.NONE, RequestParam.NO_TIMEOUT, RequestParam.NO_RETRY, RequestParam.RETAIN_PAYLOAD },
                values, "values() order should match declaration order");
    }

    // Happy path: valueOf resolves each constant name; toString equals name; ordinal is stable
    @ParameterizedTest
    @ValueSource(strings = { "NONE", "NO_TIMEOUT", "NO_RETRY", "RETAIN_PAYLOAD" })

 */
public enum RequestParam {

    /**
     * No special request parameters.
     */
    NONE,

    /**
     * Wait indefinitely for a response
     */
    NO_TIMEOUT,

    /**
     * Do not retry request on failure
     */
    NO_RETRY,

    /**
     * Save the raw payload for further inspection
     */
    RETAIN_PAYLOAD

            }

            if (log.isTraceEnabled()) {
                log.trace("Sending NtTransNotifyChange for " + this.handle);
            }
            try {
                resp = th.send(req, resp, RequestParam.NO_TIMEOUT, RequestParam.NO_RETRY);
            } catch (final SmbException e) {
                if (e.getNtStatus() == 0xC0000120) {
                    // cancelled
                    log.debug("Request was cancelled", e);

                    try {
                        final long timeout = getResponseTimeout(chain);
                        if (params.contains(RequestParam.NO_TIMEOUT)) {
                            this.credits.acquire(cost);
                        } else if (!this.credits.tryAcquire(cost, timeout, TimeUnit.MILLISECONDS)) {

        if (isDisconnected() && this.state != 5) {
            throw new TransportException("Transport is disconnected " + this.name);
        }
        try {
            final long timeout = !params.contains(RequestParam.NO_TIMEOUT) ? getResponseTimeout(request) : 0;

            final long firstKey = doSend(request, response, params, timeout);

            if (Thread.currentThread() == this.thread) {

                response.clearReceived();
                response.setExtendedSecurity(this.extendedSecurity);
            }

            try {
                if (params.contains(RequestParam.NO_TIMEOUT)) {
                    this.expiration = -1;
                } else {
                    this.expiration = System.currentTimeMillis() + this.transportContext.getConfig().getSoTimeout();
                }