import type { ParsedFrontMatter } from '../types.js';
/**
 * Separate Front Matter from HTML file content
 * Important: This process must be executed before DOM parsing
 * @param fileContent HTML file content
 * @returns Result of Front Matter and content separation
 */
export declare function parseFrontMatter(fileContent: string): ParsedFrontMatter;
/**
 * Combine HTML content with Front Matter
 * Important: This process must be executed after HTML stringification
 * @param htmlContent HTML string
 * @param frontMatterData Front Matter data
 * @param _originalFrontMatter Original Front Matter string (currently unused)
 * @returns String combining Front Matter and HTML content
 */
export declare function stringifyWithFrontMatter(htmlContent: string, frontMatterData: Record<string, unknown>, _originalFrontMatter?: string): string;
/**
 * Determine if Front Matter data has been changed
 * @param original Original Front Matter data
 * @param current Current Front Matter data
 * @returns true if changed
 */
export declare function isFrontMatterChanged(original: Record<string, unknown>, current: Record<string, unknown>): boolean;
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