for (int i = 0; i < num; i++) {
                hmap.put("a" + String.valueOf(i), null);
            }
            System.out.println("HashMap.put:" + (System.currentTimeMillis() - start));

            start = System.currentTimeMillis();
            for (int i = 0; i < num; i++) {
                cimap.put("a" + String.valueOf(i), null);
            }

    try {
        String clusterName = getClusterName(serverAddress);
        if (clusterName != null) {
            return InetAddress.getByName(clusterName + "-witness");
        }
    } catch (Exception e) {
        log.debug("Failed to discover cluster witness via DNS", e);
    }
    
    return null;  // No witness service found
}

private boolean isWitnessServiceAvailable(InetAddress address) {

    }

    @Override
    protected Map<String, Object> createTestParam(int id) {
        fail(); // Unreachable
        return null;
    }

    @Override
    protected Map<String, Object> getUpdateMap() {
        fail(); // Unreachable
        return null;
    }

    @Override
    protected void testRead() {
        final Map<String, Object> searchBody = new HashMap<>();

public interface Event {

    /**
     * Gets the type of the event.
     *
     * @return the type of the event, never {@code null}
     */
    @Nonnull
    EventType getType();

    /**
     * Gets the session from which this event originates.
     *
     * @return the current session, never {@code null}
     */
    @Nonnull
    Session getSession();

    /**
     * Gets the current project (if any).
     *

        docMap.put("key1", "value1");
        docMap.put("key2", null);

        assertTrue(docMap.containsKey("key1"));
        assertTrue(docMap.containsKey("key2"));
        assertFalse(docMap.containsKey("key3"));

        assertTrue(docMap.containsValue("value1"));
        assertTrue(docMap.containsValue(null));
        assertFalse(docMap.containsValue("nonexistent"));
    }

        assertThat(new CopyOptions().convertValue(Integer.valueOf(1), "aaa", null), is((Object) 1));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testConvertValue_propertyConverter_asString() throws Exception {
        assertThat(new CopyOptions().converter(new NumberConverter("##0"), "aaa").convertValue(Integer.valueOf(1), "aaa", null),
                is((Object) "1"));
    }

    /**

            assertTrue(UniAddress.isDotQuadIP("999.999.999.999"));
        }

        @Test
        void shouldThrowExceptionForNullInput() {
            assertThrows(NullPointerException.class, () -> UniAddress.isDotQuadIP(null));
        }

        @Test
        void shouldThrowExceptionForEmptyInput() {
            assertThrows(StringIndexOutOfBoundsException.class, () -> UniAddress.isDotQuadIP(""));
        }
    }

    @Nested

     *
     * @param transport transport instance
     * @return corresponding channel or null
     */
    public ChannelInfo getChannelForTransport(SmbTransport transport) {
        return channels.values().stream().filter(c -> c.getTransport() == transport).findFirst().orElse(null);
    }

    /**
     * Remove a channel
     *
     * @param channel channel to remove
     */

     */
    public static String createBulkLine(final String index, final String type, final SuggestItem item) {
        if (item == null || item.getId() == null || item.getText() == null) {
            throw new SuggesterException("Invalid SuggestItem: item, id, or text is null");
        }

        final Map<String, Object> firstLineMap = new HashMap<>();
        final Map<String, Object> firstLineInnerMap = new HashMap<>();

      }

    private fun createInsecureSslSocketFactory(trustManager: TrustManager): SSLSocketFactory =
      Platform
        .get()
        .newSSLContext()
        .apply {
          init(null, arrayOf(trustManager), null)
        }.socketFactory

    private fun createInsecureHostnameVerifier(): HostnameVerifier = HostnameVerifier { _, _ -> true }
  }