import { BaseStemmer, Tokenizer } from '@nlpjs/core-loader';
declare class NlpUtil {
    static tokenizers: {};
    static useAutoStemmer: boolean;
    static autoStemmers: {};
    static useAlternative: {};
    static useNoneFeature: {
        bn: boolean;
        el: boolean;
        en: boolean;
        hi: boolean;
        fa: boolean;
        fr: boolean;
        ru: boolean;
        es: boolean;
        gl: boolean;
        it: boolean;
        nl: boolean;
        no: boolean;
        pt: boolean;
        pl: boolean;
        sv: boolean;
        tl: boolean;
        id: boolean;
        ja: boolean;
        ar: boolean;
        hy: boolean;
        eu: boolean;
        ca: boolean;
        cs: boolean;
        da: boolean;
        fi: boolean;
        de: boolean;
        hu: boolean;
        ga: boolean;
        ro: boolean;
        sl: boolean;
        ta: boolean;
        th: boolean;
        tr: boolean;
        zh: boolean;
    };
    /**
     * Given a locale, get the 2 character one.
     * @param {String} locale Locale of the language.
     * @returns {String} Locale in 2 character length.
     */
    static getTruncatedLocale(locale: string): string | undefined;
    static getStemmer(locale: string): BaseStemmer;
    static getTokenizer(locale: string): Tokenizer;
    static getCulture(locale: string): string;
}
export default NlpUtil;