export interface SentenceSpan {
    text: string;
    start: number;
    end: number;
}
export declare const ABBREVIATIONS: Set<string>;
/**
 * The word immediately before `index`, lowercased, with a trailing dot
 * removed -- so a dotted abbreviation like `e.g.` yields `e.g`, which is the
 * form ABBREVIATIONS stores. Exported for title-case.ts, which asks the same
 * question at the same kind of boundary.
 */
export declare function lastWordBefore(text: string, index: number): string;
export declare function splitSentences(text: string): SentenceSpan[];
//# sourceMappingURL=sentences.d.ts.map