/**
 * Core parsing utilities for TONL format
 */
import type { TONLDelimiter, TONLObjectHeader } from "./types.js";
/**
 * Parse a single TONL line into array of field values
 * Handles quoting, escaping, and triple-quotes according to spec
 * SECURITY: Now includes input validation limits (BF006)
 */
export declare function parseTONLLine(line: string, delimiter?: TONLDelimiter): string[];
/**
 * Parse TONL header lines (starting with #)
 */
export declare function parseHeaderLine(line: string): {
    key: string;
    value: string;
} | null;
/**
 * Parse object header like: users[2]{id:u32,name:str,role:str}:
 */
export declare function parseObjectHeader(line: string): TONLObjectHeader | null;
/**
 * Detect delimiter from TONL content
 */
export declare function detectDelimiter(content: string): TONLDelimiter;
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