}

    public PopularWordsRequestBuilder addField(final String field) {
        request.addField(field);
        return this;
    }

    public PopularWordsRequestBuilder addLanguage(final String lang) {
        request.addLanguage(lang);
        return this;
    }

    public PopularWordsRequestBuilder setSeed(final String seed) {
        request.setSeed(seed);
        return this;
    }

    }

    public void addRole(final String role) {
        roles.add(role);
    }

    public void addField(final String field) {
        fields.add(field);
    }

    public void addLanguage(final String lang) {
        languages.add(lang);
    }

    public void setDetail(final boolean detail) {
        this.detail = detail;
    }

    public void addExcludeWord(final String excludeWord) {