protected void assertObjectNotNull(String variableName, Object value) {
        if (variableName == null) {
            String msg = "The value should not be null: variableName=null value=" + value;
            throw new IllegalArgumentException(msg);
        }
        if (value == null) {
            String msg = "The value should not be null: variableName=" + variableName;
            throw new IllegalArgumentException(msg);
        }

        }
    }

    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;

        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

                                .root(false)
                                .parent(null)
                                .mixins(null)
                                .build(null),
                        model)
                .mailingLists(null)
                .issueManagement(null)
                .scm(
                        model.getScm() != null
                                ? Scm.newBuilder(model.getScm(), true)

        doUpdate(entity, null);
    }

    public void insertOrUpdate(FailureUrl entity) {
        doInsertOrUpdate(entity, null, null);
    }

    public void insertOrUpdate(FailureUrl entity, RequestOptionCall<IndexRequestBuilder> opLambda) {
        entity.asDocMeta().indexOption(opLambda);
        doInsertOrUpdate(entity, null, null);
    }

    public void delete(FailureUrl entity) {

        doUpdate(entity, null);
    }

    public void insertOrUpdate(RequestHeader entity) {
        doInsertOrUpdate(entity, null, null);
    }

    public void insertOrUpdate(RequestHeader entity, RequestOptionCall<IndexRequestBuilder> opLambda) {
        entity.asDocMeta().indexOption(opLambda);
        doInsertOrUpdate(entity, null, null);
    }

        doUpdate(entity, null);
    }

    public void insertOrUpdate(ThumbnailQueue entity) {
        doInsertOrUpdate(entity, null, null);
    }

    public void insertOrUpdate(ThumbnailQueue entity, RequestOptionCall<IndexRequestBuilder> opLambda) {
        entity.asDocMeta().indexOption(opLambda);
        doInsertOrUpdate(entity, null, null);
    }

        doUpdate(entity, null);
    }

    public void insertOrUpdate(Role entity) {
        doInsertOrUpdate(entity, null, null);
    }

    public void insertOrUpdate(Role entity, RequestOptionCall<IndexRequestBuilder> opLambda) {
        entity.asDocMeta().indexOption(opLambda);
        doInsertOrUpdate(entity, null, null);
    }

    public void delete(Role entity) {

        doUpdate(entity, null);
    }

    public void insertOrUpdate(ClickLog entity) {
        doInsertOrUpdate(entity, null, null);
    }

    public void insertOrUpdate(ClickLog entity, RequestOptionCall<IndexRequestBuilder> opLambda) {
        entity.asDocMeta().indexOption(opLambda);
        doInsertOrUpdate(entity, null, null);
    }

    public void delete(ClickLog entity) {

  private Entry<K, V> presentKeyNullValueEntry;

  @Override
  public void setUp() throws Exception {
    super.setUp();
    nullKeyEntry = entry(null, v3());
    nullValueEntry = entry(k3(), null);
    nullKeyValueEntry = entry(null, null);
    presentKeyNullValueEntry = entry(k0(), null);
  }

  @MapFeature.Require(SUPPORTS_PUT)
  @CollectionSize.Require(absent = ZERO)
  public void testPut_supportedPresent() {