}
            return new Pair<>(key, value);
        }).collect(Collectors.toMap(Pair::getFirst, Pair::getSecond));
    }

    default Map<String, Object> convertToStorableDoc(final Map<String, Object> source) {

        final Set<String> arrayFieldSet = getIndexAdminArrayFieldSet();
        final Set<String> dateFieldSet = getIndexAdminDateFieldSet();

        verifyToken(this::asEditHtml);
        getDoc(form).ifPresent(entity -> {
            try {
                entity.putAll(fessConfig.convertToStorableDoc(form.doc));

                final String newId = ComponentUtil.getCrawlingInfoHelper().generateId(entity);
                entity.put(fessConfig.getIndexFieldId(), newId);