Shinsuke Sugaya <******@****.***> 1763955605 +0900

                popularWordsRequestBuilder.setSeed(baseSeed);
                stream(baseTags).of(stream -> stream.forEach(tag -> popularWordsRequestBuilder.addTag(tag)));
                stream(baseRoles).of(stream -> stream.forEach(role -> popularWordsRequestBuilder.addRole(role)));
                stream(baseFields).of(stream -> stream.forEach(field -> popularWordsRequestBuilder.addField(field)));

    }

    /**
     * Creates a new PopularWordsRequestBuilder for querying popular words.
     * @return A PopularWordsRequestBuilder instance.
     */
    public PopularWordsRequestBuilder popularWords() {
        return new PopularWordsRequestBuilder(client).setIndex(getSearchAlias(index));
    }

    /**
     * Refreshes the suggestion indices.