return "/**/" + callbackName.replaceAll("[^0-9a-zA-Z_\\$\\.]", StringUtil.EMPTY);
    }

    /**
     * Escapes a JSON object.
     * @param obj The object to escape.
     * @return The escaped object.
     */
    protected String escapeJson(final Object obj) {
        if (obj == null) {
            return "null";
        }

        final StringBuilder buf = new StringBuilder(255);

    }

    @Override
    public void acceptAllColumnMap(Entity entity, Map<String, ? extends Object> allColumnMap) {
    }

    @Override
    public Map<String, Object> extractPrimaryKeyMap(Entity entity) {
        return null;
    }

    @Override
    public Map<String, Object> extractAllColumnMap(Entity entity) {
        return null;

    }

    @Override
    public void acceptAllColumnMap(Entity entity, Map<String, ? extends Object> allColumnMap) {
    }

    @Override
    public Map<String, Object> extractPrimaryKeyMap(Entity entity) {
        return null;
    }

    @Override
    public Map<String, Object> extractAllColumnMap(Entity entity) {
        return null;

    }

    @Override
    public void acceptAllColumnMap(Entity entity, Map<String, ? extends Object> allColumnMap) {
    }

    @Override
    public Map<String, Object> extractPrimaryKeyMap(Entity entity) {
        return null;
    }

    @Override
    public Map<String, Object> extractAllColumnMap(Entity entity) {
        return null;

    }

    @Override
    protected String getItemEndpointSuffix() {
        return ITEM_ENDPOINT_SUFFIX;
    }

    @Override
    protected Map<String, Object> createTestParam(int id) {
        final Map<String, Object> requestBody = new HashMap<>();
        final String keyProp = NAME_PREFIX + id;
        requestBody.put(KEY_PROPERTY, keyProp);
        requestBody.put("password", "password" + id);

        setCreatedBy_GreaterThan(createdBy, null);
    }

    public void setCreatedBy_GreaterThan(String createdBy, ConditionOptionCall<RangeQueryBuilder> opLambda) {
        final Object _value = createdBy;
        RangeQueryBuilder builder = regRangeQ("createdBy", ConditionKey.CK_GREATER_THAN, _value);
        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

    }

    @Override
    public void acceptAllColumnMap(Entity entity, Map<String, ? extends Object> allColumnMap) {
    }

    @Override
    public Map<String, Object> extractPrimaryKeyMap(Entity entity) {
        return null;
    }

    @Override
    public Map<String, Object> extractAllColumnMap(Entity entity) {
        return null;

    }

    @Override
    protected String getItemEndpointSuffix() {
        return ITEM_ENDPOINT_SUFFIX;
    }

    @Override
    protected Map<String, Object> createTestParam(int id) {
        final Map<String, Object> requestBody = new HashMap<>();
        final String keyProp = NAME_PREFIX + id;
        final String paths = "file:///" + NAME_PREFIX + id;
        requestBody.put(KEY_PROPERTY, keyProp);

        assertEquals(0L, MemoryUtil.sizeOf(new Object[0]));

        // Array with null elements
        assertEquals(0L, MemoryUtil.sizeOf(new String[] { null, null }));

        // Mixed content array
        assertEquals(84L, MemoryUtil.sizeOf(new Object[] { "test", 123, null }));

        // Nested arrays
        assertEquals(120L, MemoryUtil.sizeOf(new Object[] { new String[] { "test" }, new String[] { "test" } }));

        if (str == null) {
            return null;
        }
        return new String[] { str };
    }

    protected LocalDateTime toLocalDateTime(Object value) {
        return DfTypeUtil.toLocalDateTime(value);
    }

    protected Date toDate(Object value) {
        return DfTypeUtil.toDate(value);
    }

    protected SearchHits getSearchHits(final SearchResponse response) {