assertFalse(fieldConfigs.getConfig("foo").map(FieldConfigs.Config::isCache).orElse(false));
        assertFalse(fieldConfigs.getConfig("foo").map(FieldConfigs.Config::isOverwrite).orElse(false));
        assertEquals("bar", fieldConfigs.getConfig("foo").map(FieldConfigs.Config::getValues).orElse(new String[0])[0]);
    }

    @Test
    public void test_cache_true() {

         * Returns true if "overwrite" is present in the values.
         *
         * @return true if overwriting is enabled, false otherwise
         */
        public boolean isOverwrite() {
            for (final String value : values) {
                if ("overwrite".equalsIgnoreCase(value)) {
                    return true;
                }
            }
            return false;

        final Map<String, Object> newDataMap = new LinkedHashMap<>();
        for (final Map.Entry<String, Object> e : dataMap.entrySet()) {
            if (fieldConfigs.getConfig(e.getKey()).map(FieldConfigs.Config::isOverwrite).orElse(false)
                    && e.getValue() instanceof final Object[] values && values.length > 0) {
                newDataMap.put(e.getKey(), values[values.length - 1]);
            } else {