/**
 * Structure-aware chunking for large knowledge documents. We split on natural
 * boundaries (Markdown headings first, then blank-line paragraphs) and pack
 * sections up to ~chunkBytes, so a chunk is a coherent unit rather than a
 * byte-count cut mid-sentence. Each chunk is summarized independently and the
 * resulting claims are deduplicated across the whole document.
 */
/** Split text into coherent chunks no larger than ~chunkBytes (best effort). */
export declare function chunkText(content: string, chunkBytes: number): string[];