export interface Subscribe {
    /**
     * Podcast feed URL without the leading `http://`, as required by Pocket Casts.
     *
     * @example 'example.com/podcast/rss'
     */
    feedUrlWithoutHttp: string;
}
/**
 * Open Pocket Casts and follow the podcast specified by the feed URL.
 *
 * @param payload Subscribe podcast payload.
 * @returns Pocket Casts subscribe URL.
 * @example
 * subscribe({
 *   feedUrlWithoutHttp: 'example.com/podcast/rss',
 * })
 * // => 'pktc://subscribe/example.com/podcast/rss'
 * @link https://support.pocketcasts.com/knowledge-base/third-party-integration/
 */
export declare function subscribe(payload: Subscribe): string;