target.loggerOnce(context.Background(), err, target.ID().String())
		}
		return err
	}

	if target.natsConn != nil && args.JetStream.Enable {
		var jstream nats.JetStream
		jstream, err = target.natsConn.JetStream()
		if err != nil {
			if err.Error() != nats.ErrNoServers.Error() {
				target.loggerOnce(context.Background(), err, target.ID().String())
			}
			return err
		}

			PingInterval:      pingInterval,
			QueueDir:          env.Get(queueDirEnv, kv.Get(target.NATSQueueDir)),
			QueueLimit:        queueLimit,
			RootCAs:           rootCAs,
		}
		natsArgs.JetStream.Enable = env.Get(jetStreamEnableEnv, kv.Get(target.NATSJetStream)) == config.EnableOn

		streamingEnableEnv := target.EnvNATSStreaming
		if k != config.Default {

    }

    @Test
    public void test_setStream() {
        final LlmChatRequest request = new LlmChatRequest();

        final LlmChatRequest result = request.setStream(true);

        assertSame(request, result);
        assertTrue(request.isStream());
    }

    @Test
    public void test_fluentBuilding() {

        }
      }
    }
  }

  /**
   * Returns the number of [open streams][Http2Stream.isOpen] on this connection.
   */
  fun openStreamCount(): Int = withLock { streams.size }

  fun getStream(id: Int): Http2Stream? = withLock { streams[id] }

  internal fun removeStream(streamId: Int): Http2Stream? {
    withLock {
      val stream = streams.remove(streamId)

        }
        final String context = buildContext(documents, "answer");
        final LlmChatRequest request = buildStreamingRequest(userMessage, context, history);
        request.setStream(true);

        streamChatWithConcurrencyControl(request, callback);
    }

    @Override

    }

    /**
     * Sets whether streaming is enabled.
     *
     * @param stream true to enable streaming
     * @return this request for method chaining
     */
    public LlmChatRequest setStream(final boolean stream) {
        this.stream = stream;
        return this;
    }

    /**
     * Gets the thinking budget for models that support thinking tokens.