/**
 * @license
 * Copyright 2019 Ludan Stoecklé
 * SPDX-License-Identifier: Apache-2.0
 */
interface WordsWithPos {
    [key: string]: number[];
}
interface IdenticalsMap {
    [key: string]: string;
}
export interface DebugHolder {
    filteredAlt?: string[] | null;
    identicals?: string[][] | null;
    identicalsMap?: IdenticalsMap | null;
    wordsWithPos?: WordsWithPos | null;
    score?: number | null;
}
export declare class SynOptimizer {
    private languageSyn;
    constructor(language: string);
    getStopWords(stopWordsToAdd: string[] | null | undefined, stopWordsToRemove: string[] | null | undefined, stopWordsOverride: string[] | null | undefined): string[];
    scoreAlternative(alternative: string, stopWordsToAdd: string[] | null | undefined, stopWordsToRemove: string[] | null | undefined, stopWordsOverride: string[] | null | undefined, identicals: string[][] | null | undefined, debugHolder: DebugHolder | null | undefined): number;
    getStemmedWords(text: string, stopwords: string[]): string[];
    getBest(alternatives: string[], stopWordsToAdd: string[], stopWordsToRemove: string[], stopWordsOverride: string[], identicals: string[][]): number;
    getScore(wordsWithPos: WordsWithPos): number;
    stemWord(word: string): string;
    getWordsWithPos(words: string[], identicals: string[][] | null | undefined, debugHolder: DebugHolder | null | undefined): WordsWithPos;
}
export {};