import type { ParsedSection } from './parsers/types.js';
export interface Chunk {
    content: string;
    startLine: number;
    endLine: number;
    sectionTitles: string[];
    tokenEstimate: number;
    index: number;
}
export interface ChunkerOptions {
    maxTokens?: number;
    overlapTokens?: number;
}
/**
 * Splits parsed sections into overlapping chunks.
 * - Target: 2,000 tokens per chunk
 * - Overlap: 200 tokens between chunks
 * - Splits on section boundaries when possible
 */
export declare function chunkSections(sections: ParsedSection[], options?: ChunkerOptions): Chunk[];
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