import { HttpClient } from '../../utils/http-client.js';
import type { LlmsTxtVariant } from './detector.js';
export interface DownloadedContent {
    url: string;
    variant: string;
    content: string;
    size: number;
}
/**
 * Downloader for llms.txt files
 * Based on Skill_Seekers implementation
 */
export declare class LlmsTxtDownloader {
    private httpClient;
    constructor(httpClient?: HttpClient);
    /**
     * Download a single llms.txt file
     */
    download(url: string): Promise<string>;
    /**
     * Download multiple llms.txt variants
     */
    downloadAll(variants: LlmsTxtVariant[]): Promise<DownloadedContent[]>;
    /**
     * Get proper filename for saving content
     * Ensures .md extension for proper markdown rendering
     */
    getProperFilename(url: string): string;
}
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