// Registration state
    private volatile WitnessRegistrationState state;
    private volatile long lastHeartbeat;
    private int flags;
    
    public enum WitnessRegistrationState {
        REGISTERING,
        REGISTERED,
        UNREGISTERING,
        FAILED,
        EXPIRED
    }
    
    public WitnessRegistration(String shareName, InetAddress serverAddress, 

    /**
     * Enumeration of possible witness registration states.
     */
    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 */

    }

    /**
     * Registers a data store instance with the factory using the specified name.
     * The data store will be accessible by both the provided name and its class simple name,
     * both converted to lowercase for case-insensitive lookup.
     *
     * @param name the name to register the data store under, must not be null
     * @param dataStore the data store instance to register, must not be null

          e2);
    }
  }

  /**
   * Registers all subscriber methods on {@code object} to receive events.
   *
   * @param object object whose subscriber methods should be registered.
   */
  public void register(Object object) {
    subscribers.register(object);
  }

  /**
   * Unregisters all subscriber methods on a registered {@code object}.
   *

    /**
     * Registers a scheduled job with the job manager.
     *
     * @param scheduledJob the scheduled job to register
     */
    public void register(final ScheduledJob scheduledJob) {
        final JobManager jobManager = ComponentUtil.getJobManager();
        jobManager.schedule(cron -> register(cron, scheduledJob));
    }

    /**
     * Registers a scheduled job with the specified cron scheduler.

                request.setFlags(registration.getFlags());

                WitnessRegisterResponse response = rpcClient.register(request);

                if (response != null && response.isSuccess()) {
                    registration.setState(WitnessRegistrationState.REGISTERED);
                    registration.setContextHandle(response.getContextHandle());

    }

    /**
     * Test registering same searcher multiple times.
     */
    @Test
    public void test_registerSameSearcherMultipleTimes() throws Exception {
        try (RankFusionProcessor processor = new RankFusionProcessor()) {
            processor.setSearcher(new TestSearcher(100));
            final TestSearcher searcher = new TestSearcher(50);
            processor.register(searcher);

        // Get the queryProcessor that was registered in parent class
        queryProcessor = ComponentUtil.getComponent("queryProcessor");

        // Register all query commands needed for testing
        new TermQueryCommand().register();
        new MatchAllQueryCommand().register();
        new PhraseQueryCommand().register();
        new BooleanQueryCommand().register();
        new PrefixQueryCommand().register();

        RenderDataUtil.register(data, "int", 123);
        assertEquals(123, data.getDataMap().get("int"));

        RenderDataUtil.register(data, "long", 456L);
        assertEquals(456L, data.getDataMap().get("long"));

        RenderDataUtil.register(data, "boolean", true);
        assertEquals(true, data.getDataMap().get("boolean"));

        RenderDataUtil.register(data, "double", 3.14);

	VPGATHERQQ Y2, (BP)(X2*2), Y2   // ERROR "mask, index, and destination registers should be distinct"
	VPGATHERQQ Y2, (BP)(X2*2), Y7   // ERROR "mask, index, and destination registers should be distinct"
	VPGATHERQQ Y2, (BP)(X7*2), Y2   // ERROR "mask, index, and destination registers should be distinct"
	VPGATHERQQ Y7, (BP)(X2*2), Y2   // ERROR "mask, index, and destination registers should be distinct"