import { ISentenceScorer } from "./scorers.js";
export declare class TextSummarizer {
    private wordTokenizer;
    private scorer;
    constructor(scorer?: ISentenceScorer);
    protected splitIntoSentences(text: string): string[];
    protected calculateWordFrequency(text: string): {
        [key: string]: number;
    };
    summarize(text: string, maxSentences?: number): string;
}