import Diff from './base';
import { CallbackOption, ChangeObject, DiffCallback, DiffSentencesOptions } from '../types';
declare class SentenceDiff extends Diff<string, string> {
    protected tokenize(value: string): string[];
}
export declare const sentenceDiff: SentenceDiff;
export declare function diffSentences(oldStr: string, newStr: string, options: (DiffSentencesOptions & CallbackOption<string>) | DiffCallback<string>): undefined;
export declare function diffSentences(oldStr: string, newStr: string, options: DiffSentencesOptions): ChangeObject<string>[];
export {};