/**
 * Markdown / TXT parser for the ingestion engine.
 *
 * Parses markdown into sections, respecting heading hierarchy.
 * Handles code blocks, tables, lists, and blockquotes as distinct content types.
 */
import type { ParsedDocument } from "./types";
/**
 * Parse a markdown or plain text file into structured sections.
 */
export declare function parseMarkdown(filePath: string): ParsedDocument;
/**
 * Parse markdown content string directly (for testing / reuse).
 */
export declare function parseMarkdownContent(content: string, title?: string | null): ParsedDocument;
/**
 * Parse a plain text file (no markdown structure).
 * Splits on blank lines as paragraph boundaries.
 */
export declare function parseTxt(filePath: string): ParsedDocument;
/**
 * Parse a code file — treat the whole file as one code section
 * with the filename as the heading.
 */
export declare function parseCode(filePath: string): ParsedDocument;
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