func doTestParallelReaders(numReaders, gomaxprocs int) {
	runtime.GOMAXPROCS(gomaxprocs)
	m := NewDRWMutex(ds, "test-parallel")

	clocked := make(chan bool)
	cunlock := make(chan bool)
	cdone := make(chan bool)
	for range numReaders {
		go parallelReader(context.Background(), m, clocked, cunlock, cdone)
	}
	// Wait for all parallel RLock()s to succeed.
	for range numReaders {
		<-clocked
	}
	for range numReaders {

 *
 * In addition to low-level chat operations, this interface defines
 * high-level RAG workflow methods that allow each provider to optimize
 * prompt construction, parameter tuning, and response parsing.
 */
public interface LlmClient {

    /**
     * Performs a chat completion request.
     *
     * @param request the chat request containing messages and parameters

	input       chan *queueItem           // input for workers
	queue       chan *queueItem           // output from workers in order
	err         error                     // global error state, only touched by Reader.Read
	bufferPool  bpool.Pool[[]byte]        // pool of []byte objects for input
	kvDstPool   bpool.Pool[[]jstream.KVS] // pool of []jstream.KVS used for output

// code points in chars. It returns -1 if chars is empty or if there is no code
// point in common.
func IndexAny(s []byte, chars string) int {
	if chars == "" {
		// Avoid scanning all of s.
		return -1
	}
	if len(s) == 1 {
		r := rune(s[0])
		if r >= utf8.RuneSelf {
			// search utf8.RuneError.
			for _, r = range chars {
				if r == utf8.RuneError {
					return 0
				}

	input        chan *queueItem        // input for workers
	queue        chan *queueItem        // output from workers in order
	err          error                  // global error state, only touched by Reader.Read
	bufferPool   bpool.Pool[[]byte]     // pool of []byte objects for input
	csvDstPool   bpool.Pool[[][]string] // pool of [][]string used for output

		responseCh <- resp
	}
}

func (m *muxClient) handleTwowayRequests(errResp chan<- Response, requests <-chan []byte) {
	var errState bool
	if debugPrint {
		start := time.Now()
		defer func() {
			fmt.Println("Mux", m.MuxID, "Request took", time.Since(start).Round(time.Millisecond))
		}()
	}

	var pingTimer <-chan time.Time
	if m.deadline == 0 || m.deadline > m.clientPingInterval {

        assertTrue(result.contains("field1field2"));
        assertTrue(result.contains("exclude1exclude2"));

        // Count separators
        long separatorCount = result.chars().filter(ch -> ch == '\n').count();
        assertEquals(4, separatorCount);
    }

    @Test
    public void test_getCacheKey_nullParameters() {
        String seed = "test_seed";
        String[] tags = null;

func (h *StreamTypeHandler[Payload, Req, Resp]) RegisterNoPayload(m *Manager, handle func(ctx context.Context, in <-chan Req, out chan<- Resp) *RemoteErr, subroute ...string) error {
	h.WithPayload = false
	return h.register(m, func(ctx context.Context, p Payload, in <-chan Req, out chan<- Resp) *RemoteErr {
		return handle(ctx, in, out)
	}, subroute...)
}

        }
        clientList.add(client);
    }

    /**
     * Performs a chat completion request using the configured LLM client.
     *
     * @param request the chat request
     * @return the chat response
     * @throws LlmException if LLM is not available or an error occurs
     */
    public LlmChatResponse chat(final LlmChatRequest request) {
        final long startTime = System.currentTimeMillis();

        String result = Hexdump.toHexString(data);
        assertEquals(2048, result.length()); // 1024 bytes * 2 chars

        // Test partial conversion
        String partial = Hexdump.toHexString(data, 512, 256);
        assertEquals(512, partial.length()); // 256 bytes * 2 chars
        assertTrue(partial.startsWith("00010203")); // 512 % 256 = 0, so starts at 0
    }