return false;
        }
    }

    @Override
    public Set<RdmaCapability> getSupportedCapabilities() {
        return EnumSet.allOf(RdmaCapability.class);
    }

    @Override
    public RdmaConnection createConnection(InetSocketAddress remote, InetSocketAddress local) throws IOException {
        ensureInitialized();

        }
    }

    /**
     * Test EnumSet functionality
     */
    public void test_enumSet() {
        // Create EnumSet with all values
        EnumSet<CrawlerStatus> allStatuses = EnumSet.allOf(CrawlerStatus.class);
        assertEquals(3, allStatuses.size());
        assertTrue(allStatuses.contains(CrawlerStatus.INITIALIZING));
        assertTrue(allStatuses.contains(CrawlerStatus.RUNNING));

            unregisterFutures.add(unregister(registration));
        }

        // Wait for all unregistrations to complete
        try {
            CompletableFuture.allOf(unregisterFutures.toArray(new CompletableFuture[0])).get(10, TimeUnit.SECONDS);
        } catch (Exception e) {
            log.warn("Error during witness client shutdown", e);
        }

        // Shutdown scheduler