/**
 * Represents the main class for interacting with the API.
 */
declare class AllDownloader {
    private activationKey;
    private apiToken;
    /**
     * Private constructor to enforce use of static factory method.
     */
    private constructor();
    /**
     * Creates and initializes an instance of AllDownloader.
     * @returns {Promise<AllDownloader>} A promise that resolves to an initialized AllDownloader instance.
     */
    static createInstance(): Promise<AllDownloader>;
    /**
     * Initializes the downloader by retrieving API credentials.
     * @private
     * @throws Will throw an error if initialization fails.
     */
    private initialize;
    /**
     * Requests a trial API key and activation credentials from the API.
     * @private
     * @returns {Promise<LicenseTrialData | null>} The license data or null if an error occurs.
     */
    private generateApiKey;
    /**
     * Parses a video URL and retrieves its metadata.
     * @param {string} url - The URL of the video to parse.
     * @returns {Promise<VideoData | null>} The parsed video data, or null if parsing fails.
     * @throws Will throw an error if the URL is invalid.
     */
    parse(url: string): Promise<VideoData | null>;
    /**
     * Validates the provided URL.
     * @private
     * @param {string} url - The URL to validate.
     * @returns {boolean} True if the URL is valid, false otherwise.
     */
    private isValidUrl;
}
/**
 * Parses a video URL using a singleton instance of AllDownloader.
 * @param {string} url - The video URL to parse.
 * @returns {Promise<VideoData | null>} Parsed video metadata or null on failure.
 */
declare function parse(url: string): Promise<VideoData | null>;

export { AllDownloader, parse };