import type { SourceDocument, TextChunk } from '../types.js';
export type ChunkerOptions = {
    targetWords: number;
    overlapWords: number;
    maxCharacters: number;
};
export declare const textBoundaryChunkerVersion: number;
export declare const defaultChunkerOptions: ChunkerOptions;
export declare function chunkDocument(document: SourceDocument, options?: ChunkerOptions): readonly TextChunk[];