stopwordsFile.reload(null, is);

        assertEquals(3, stopwordsFile.stopwordsItemList.size());
        assertEquals("word1", stopwordsFile.stopwordsItemList.get(0).getInput());
        assertEquals("word2", stopwordsFile.stopwordsItemList.get(1).getInput());
        assertEquals("word3", stopwordsFile.stopwordsItemList.get(2).getInput());
    }

     */
    public OptionalEntity<StopwordsFile> getStopwordsFile(final String dictId) {
        return dictionaryManager.getDictionaryFile(dictId)
                .filter(StopwordsFile.class::isInstance)
                .map(file -> OptionalEntity.of((StopwordsFile) file))
                .orElse(OptionalEntity.empty());
    }

    /**

        form.dictId = dictId;
        validateApi(form, messages -> {});
        final StopwordsFile file = stopwordsService.getStopwordsFile(form.dictId).orElseGet(() -> {
            throwValidationErrorApi(messages -> messages.addErrorsFailedToUploadStopwordsFile(GLOBAL));
            return null;
        });
        try (InputStream inputStream = form.stopwordsFile.getInputStream()) {
            file.update(inputStream);

        verifyToken(() -> uploadpage(form.dictId));
        return stopwordsService.getStopwordsFile(form.dictId).map(file -> {
            try (InputStream inputStream = form.stopwordsFile.getInputStream()) {
                file.update(inputStream);
            } catch (final IOException e) {
                logger.warn("Failed to process a request.", e);