}
    }

    private static class TestCorsHandler extends CorsHandler {
        private boolean processCalled = false;
        private String lastOrigin = null;
        private ServletRequest lastRequest = null;
        private ServletResponse lastResponse = null;

        @Override
        public void process(String origin, ServletRequest request, ServletResponse response) {
            processCalled = true;

                    .thenReturn(null);

            // Perform the renewal
            boolean renewed = wrapper.renewCredentials("locationHint", null);

            // Verify that NtlmAuthenticator was used but credentials were not updated
            assertFalse(renewed, "renewCredentials should return false when NtlmAuthenticator returns null");

            "keyword", 0, 0, null, null, false, null, null, null, null, null, false);
    protected final ColumnInfo _columnName = cci("name", "name", null, null, String.class, "name", null, false, false, false, "keyword", 0,
            0, null, null, false, null, null, null, null, null, false);

        Subject second = auth.getSubject();
        if (first == null && second == null) {
            // Both null - caching is working
            assertNull(second, "Second getSubject should return same result as first (both null)");
        } else if (first != null && second != null) {
            // Both non-null - should be same instance

                qualifier = version;
                majorVersion = null;
                minorVersion = null;
                incrementalVersion = null;
                buildNumber = null;
            }
        }
    }

    private static boolean isDigits(String cs) {
        if (cs == null || cs.isEmpty()) {
            return false;
        }
        final int sz = cs.length();

   * Float#valueOf}.
   */
  private static @Nullable Float referenceTryParse(String input) {
    if (input.trim().length() < input.length()) {
      return null;
    }
    try {
      return Float.valueOf(input);
    } catch (NumberFormatException e) {
      return null;
    }
  }

  @GwtIncompatible // Floats.tryParse
  private static void checkTryParse(String input) {

   * Float#valueOf}.
   */
  private static @Nullable Float referenceTryParse(String input) {
    if (input.trim().length() < input.length()) {
      return null;
    }
    try {
      return Float.valueOf(input);
    } catch (NumberFormatException e) {
      return null;
    }
  }

  @GwtIncompatible // Floats.tryParse
  private static void checkTryParse(String input) {

        assertSame(ObjectUtil.defaultValue(null, hoge), hoge);
        assertSame(ObjectUtil.defaultValue(hoge, null), hoge);
        assertSame(ObjectUtil.defaultValue(hoge, hoge), hoge);
        assertSame(ObjectUtil.defaultValue(null, null), null);
        assertThat(ObjectUtil.defaultValue(null, "NULL"), is("NULL"));
        assertThat(ObjectUtil.defaultValue(null, 1), is(1));

    }

    // Test findBusinessTimeZone with null parameters
    public void test_findBusinessTimeZone_withNullParameters() {
        // Execute with null parameters
        OptionalThing<TimeZone> result = provider.findBusinessTimeZone(null, null);

        // Should still return empty optional
        assertNotNull(result);
        assertFalse(result.isPresent());
    }

    assertTrue(multimap().putAll(k0(), newArrayList(v3(), null)));
    assertGet(k0(), v0(), v3(), null);
  }

  @MapFeature.Require({SUPPORTS_PUT, ALLOWS_NULL_VALUES})
  public void testPutAllNullValueOnAbsentKey_supported() {
    assertTrue(multimap().putAll(k3(), newArrayList(v3(), null)));
    assertGet(k3(), v3(), null);
  }

  @MapFeature.Require(value = SUPPORTS_PUT, absent = ALLOWS_NULL_VALUES)