/**
 * High-Level Conversion Utilities
 * Main entry points for markdown <-> notion conversions plus helper utilities
 */
import { ConversionOptions, ConversionResult } from '../types/markdown.js';
import { NotionBlock } from '../types/notion.js';
import { NotionBlockData } from './notion-blocks.js';
/**
 * Convert markdown content to Notion blocks
 */
export declare function markdownToNotion(markdown: string, options?: Partial<ConversionOptions>): ConversionResult;
/**
 * Convert Notion blocks to markdown
 */
export declare function notionToMarkdown(blocks: (NotionBlock | NotionBlockData)[], options?: Partial<ConversionOptions>): ConversionResult;
/**
 * Parse markdown and extract title
 */
export declare function extractTitleFromMarkdown(markdown: string): string | null;
/**
 * Extract page title from Notion page properties
 */
export declare function extractPageTitle(page: {
    properties?: Record<string, unknown>;
}): string;
/**
 * Validate markdown content
 */
export declare function validateMarkdown(content: string): {
    isValid: boolean;
    errors: string[];
    warnings: string[];
};
/**
 * Extract headings from markdown content
 */
export declare function extractHeadings(markdown: string): Array<{
    level: number;
    text: string;
    anchor: string;
}>;
/**
 * Calculate word count from markdown content
 */
export declare function getWordCount(markdown: string): number;
/**
 * Check if content contains frontmatter
 */
export declare function hasFrontmatter(markdown: string): boolean;
/**
 * Remove frontmatter from markdown content
 */
export declare function removeFrontmatter(markdown: string): string;
/**
 * Extract frontmatter as object
 */
export declare function extractFrontmatter(markdown: string): Record<string, string | string[]>;