export declare function extractSpotifyEpisodeId(url: string): string | null;
export declare function extractApplePodcastIds(url: string): {
    showId: string;
    episodeId: string | null;
} | null;
export declare function extractXiaoyuzhouEpisodeId(url: string): string | null;
export declare function isPodcastLikeJsonLdType(type: string | null | undefined): boolean;
export declare function isPodcastHost(url: string): boolean;
