THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

            parser.parse(is, this);
        } catch (final Exception e) {
            throw new GsaConfigException("Failed to parse XML file.", e);
        }
    }

    /**
     * SAX event handler called at the beginning of document parsing.
     * Initializes internal data structures for processing the GSA configuration.
     *
     * @throws SAXException if a SAX error occurs during initialization
     */

     */
    public void setRequestListener(final RequestListener listener) {
        this.listener = listener;
    }

    /**
     * Interface for listening to request lifecycle events.
     */
    public interface RequestListener {

        /**
         * Called when a request starts.
         *
         * @param client the fault-tolerant client

        }
    }
    
    @Override
    public ByteBuffer receive(int timeout) throws IOException {
        try {
            RdmaCompletionEvent event = endpoint.getCqProcessor().getCqEvent(timeout);
            if (event != null) {
                return event.getBuffer();
            }
            return null;
        } catch (Exception e) {
            throw new IOException("RDMA receive failed", e);
        }

                throw e;
            }
        }
    }

    /**
     * Listener interface for handling object destruction events.
     *
     * @param <T> The type of the pooled object
     */
    @FunctionalInterface
    public interface OnDestroyListener<T> {
        /**
         * Called when a pooled object is being destroyed.

         * Gets the notification type.
         *
         * @return the witness event type for this notification
         */
        public WitnessEventType getNotificationType() {
            return notificationType;
        }

        /**
         * Sets the notification type.
         *
         * @param notificationType the witness event type for this notification
         */

        return registrations.containsKey(registrationId);
    }

    /**
     * Simulate sending a witness notification
     *
     * @param eventType the event type
     * @param resourceName the resource name
     */
    public void sendNotification(WitnessEventType eventType, String resourceName) {

     */
    protected Client client;

    /**
     * The address of the OpenSearch instance.
     */
    protected String address;

    /**
     * List of listeners for connection events.
     */
    protected List<OnConnectListener> onConnectListenerList = new CopyOnWriteArrayList<>();

    /**
     * Flag indicating whether the client is connected.
     */

                }
                _src = _src.deferred;
                this.sid.decode(_src);

            }
        }
    }

    /** Policy information class for audit events. */
    /** Policy information level for audit events. */
    public static final int POLICY_INFO_AUDIT_EVENTS = 2;
    /** Policy information class for primary domain. */
    /** Policy information level for primary domain. */

├── WitnessRegistration.java     - Client registration with witness
├── WitnessNotification.java     - Notification handling
├── ResourceChange.java          - Resource change events
└── WitnessTransport.java       - Witness-specific RPC transport
```

#### 6.2 Implementation Tasks
- [ ] Implement Witness RPC protocol
- [ ] Create witness service discovery