* and optionally at specific positions in the processing order.</p>
 *
 * <p>This factory is typically initialized through dependency injection and can be
 * configured with initialization parameters that are passed to all registered clients.</p>
 *
 * <p>Features:</p>
 * <ul>
 *   <li>Pattern-based client mapping</li>
 *   <li>Ordered client registration</li>
 *   <li>Bulk client registration</li>
 *   <li>Automatic client initialization</li>

  }

 private:
  bool first_call_ = true;
};

// After the graph pass is registered, it takes effect globally and can affect
// other test cases. Define a static variable to switch it on and off.
bool GraphErrorInjectionPass::enabled_ = false;

// Test to ensure that a registered graph optimization pass is only executed
// once (i.e., on the main function side) in running distributed functions.

     */
    public enum WitnessRegistrationState {
        /** Registration is in progress */
        REGISTERING,
        /** Registration is active and confirmed */
        REGISTERED,
        /** Unregistration is in progress */
        UNREGISTERING,
        /** Registration has failed */
        FAILED,
        /** Registration has expired due to timeout */
        EXPIRED
    }

        WitnessRegistration registration = future.get(5, TimeUnit.SECONDS);

        assertNotNull(registration);
        assertEquals(WitnessRegistrationState.REGISTERED, registration.getState());
        assertEquals("\\\\server\\share", registration.getShareName());
        assertEquals(serverAddress, registration.getServerAddress());

    }

    @Test
    void testGetChannelForTransport() {
        ChannelInfo result = channelManager.getChannelForTransport(mockTransport);
        assertNull(result); // No channels registered yet
    }

    @Test
    void testChannelManagerLifecycle() {
        // Test complete lifecycle
        assertFalse(channelManager.isUseMultiChannel());

        try {

     */
    public abstract void connect() throws IOException;

    /**
     * Send data using RDMA
     *
     * @param data data buffer to send
     * @param region registered memory region for the data
     * @throws IOException if send fails
     */
    public abstract void send(ByteBuffer data, RdmaMemoryRegion region) throws IOException;

    /**
     * Receive data using RDMA

	if err != nil {
		logger.FatalIf(err, "Unable to start console logging subsystem")
	}

	sys.nodeName = host.Name
}

// HasLogListeners returns true if console log listeners are registered
// for this node or peers
func (sys *HTTPConsoleLoggerSys) HasLogListeners() bool {
	return sys != nil && sys.pubsub.Subscribers() > 0
}

// Subscribe starts console logging for this node.

			if err := config.CheckValidKeys(subSysTarget, kv, validKVS); err != nil {
				return err
			}
		}
	}
	return nil
}

// GetLambdaWebhook - returns a map of registered notification 'webhook' targets
func GetLambdaWebhook(webhookKVS map[string]config.KVS, transport *http.Transport) (
	map[string]target.WebhookArgs, error,
) {
	webhookTargets := make(map[string]target.WebhookArgs)

    checkArgument(
        !DEFAULTS.containsKey(type), "A default value was already registered for %s", type);
    checkArgument(
        implementations.put(type, implementation) == null,
        "Implementation for %s was already registered",
        type);
  }

  static {
    setImplementation(Appendable.class, StringBuilder.class);

    checkArgument(
        !DEFAULTS.containsKey(type), "A default value was already registered for %s", type);
    checkArgument(
        implementations.put(type, implementation) == null,
        "Implementation for %s was already registered",
        type);
  }

  static {
    setImplementation(Appendable.class, StringBuilder.class);