import { BuiltinSource } from '../base.js';
import type { SourceOptions, SourceResult } from '../types.js';
/**
 * URL source - fetches specs from remote URLs
 *
 * Supports:
 * - Raw markdown files (GitHub raw, etc.)
 * - HTML pages (basic conversion)
 * - JSON responses
 * - GitHub issues and files (specialized parsing)
 * - Notion public pages (specialized parsing)
 */
export declare class UrlSource extends BuiltinSource {
    name: string;
    description: string;
    isAvailable(): Promise<boolean>;
    fetch(identifier: string, options?: SourceOptions): Promise<SourceResult>;
    /**
     * Fetch and parse GitHub URLs (issues, blobs, etc.)
     */
    private fetchGitHub;
    /**
     * Check if URL is a Notion public page
     */
    private isNotionUrl;
    /**
     * Fetch and parse Notion public pages
     */
    private fetchNotion;
    /**
     * Parse Notion public page HTML
     * Note: Notion uses client-side rendering, so public pages have limited HTML content
     */
    private parseNotionHtml;
    /**
     * Extract content from Notion's preloaded data
     */
    private extractNotionContent;
    private isMarkdown;
    private jsonToMarkdown;
    private arrayToMarkdown;
    private objectToMarkdown;
    private htmlToMarkdown;
    private getTitleFromUrl;
    getHelp(): string;
}
//# sourceMappingURL=url.d.ts.map