public void store(final DictionaryFile<? extends DictionaryItem> dictFile, final File file) {
        getDictionaryFile(dictFile.getId()).ifPresent(currentFile -> {
            if (currentFile.getTimestamp().getTime() > dictFile.getTimestamp().getTime()) {
                throw new DictionaryException(dictFile.getPath() + " was updated.");
            }

            // TODO use stream