}
        return fieldSet;
    }

    default boolean validateIndexFloatFields(final Map<String, Object> source) {
        return invalidIndexFloatFields(source).isEmpty();
    }

    default List<String> invalidIndexFloatFields(final Map<String, Object> source) {
        final FloatTypeValidator floatValidator = new FloatTypeValidator();

                        .forEach(s -> messages.addErrorsPropertyTypeLong(s, s)));
            }
            if (!fessConfig.validateIndexFloatFields(doc)) {
                throwError.accept(messages -> fessConfig.invalidIndexFloatFields(doc)
                        .stream()
                        .map(s -> "doc." + s)
                        .forEach(s -> messages.addErrorsPropertyTypeFloat(s, s)));
            }