/**
 * Structure-aware intelligent chunking for the ingestion engine.
 *
 * Unlike naive fixed-size chunking, this respects document structure:
 * - Headers define chunk boundaries
 * - Code blocks stay together
 * - Lists stay together
 * - Tables stay together
 * - Overlap is applied at natural boundaries (sentences/paragraphs)
 *
 * Config: max ~2000 tokens (~8000 chars), min ~100 tokens, overlap ~200 tokens
 */
import type { ParsedDocument, ChunkResult } from "./types";
export interface ChunkerConfig {
    /** Maximum tokens per chunk (estimated as chars / 4) */
    readonly maxTokens: number;
    /** Minimum tokens per chunk — avoid tiny fragments */
    readonly minTokens: number;
    /** Overlap tokens between consecutive chunks */
    readonly overlapTokens: number;
}
export declare const DEFAULT_CHUNKER_CONFIG: ChunkerConfig;
/**
 * Chunk a parsed document into overlapping, structure-aware chunks.
 */
export declare function chunkDocument(doc: ParsedDocument, config?: ChunkerConfig): ChunkResult[];
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