export type Metadata = ShairportSyncMetadata & CoreMetadata;
export interface ShairportSyncMetadata {
    /** the payload is a picture, either a JPEG or a PNG. Check the first few bytes to see which. */
    PICT: string;
    /** the payload is the IP number of the client, i.e. the sender of audio. Can be an IPv4 or an IPv6 number. */
    clip: string;
    /** play stream begin. No arguments */
    pbeg: null;
    /** play stream end. No arguments */
    pend: null;
    /** play stream flush. No arguments */
    pfls: null;
    /** play stream resume. No arguments */
    prsm: null;
    /** play volume. The volume is sent as a string -- "airplay_volume,volume,lowest_volume,highest_volume", where "volume", "lowest_volume" and "highest_volume"
     * are given in dB. The "airplay_volume" is what's sent by the source (e.g. iTunes) to the player, and is from 0.00 down to -30.00, with -144.00 meaning "mute".
     * This is linear on the volume control slider of iTunes or iOS AirPlay. If the volume setting is being ignored by Shairport Sync itself, the volume, lowest_volume and highest_volume values are zero.
     */
    pvol: {
        /** Airplay volume from 0.00 to -30.00, with -144.00 meaning "mute" */
        airplayVolume: number;
        /** Volume in dB */
        volume: number;
        /** Lowest volume in dB */
        lowestVolume: number;
        /** Highest volume in dB */
        highestVolume: number;
    };
    /** progress -- this is metadata from AirPlay consisting of RTP timestamps for the start of the current play sequence, the current play point and the end of the play sequence. */
    prgr: {
        /** RTP timestamp for the start of the current play sequence */
        start: number;
        /** RTP timestamp for the current play point */
        current: number;
        /** RTP timestamp for the end of the play sequence */
        end: number;
    };
    /** a sequence of metadata is about to start. The RTP timestamp associated with the metadata sequence
     * is included as data, if available.
     */
    mdst: number | null;
    /** a sequence of metadata has ended. The RTP timestamp associated with the metadata sequence
     * is included as data, if available.
     */
    mden: number | null;
    /** a picture is about to be sent. The RTP timestamp associated with it is included as data, if available. */
    pcst: number | null;
    /** a picture has been sent. The RTP timestamp associated with it is included as data, if available. */
    pcen: number | null;
    /** a device e.g. "Joe's iPhone" has started a play session. Specifically, it's the "X-Apple-Client-Name" string. */
    snam: string;
    /** a "user agent" e.g. "iTunes/12..." has started a play session. Specifically, it's the "User-Agent" string. */
    snua: string;
    /** this is an error message meaning that reception of a large piece of metadata, usually a large picture, has stalled; bad things may happen. */
    stal: null;
    /** this is the source's DACP-ID (if it has one -- it's not guaranteed), useful if you want to remotely control the source.
     * Use this string to identify the source's remote control on the network.
     */
    daid: string;
    /** this is the source's Active-Remote token, necessary if you want to send commands
     * to the source's remote control (if it has one).
     */
    acre: string;
    /** the payload is the port number (as text) of the source's remote control,
     * to which commands should be sent. It is 3689 for iTunes but varies
     * for iOS devices.
     */
    dapo: string;
    /** the payload is the IP number of the client, i.e. the sender of audio.
     * It can be an IPv4 or an IPv6 number. In AirPlay 2 operation, it is sent as soon as the client has exclusive access to the player
     * and after any existing play session has been interrupted and terminated.
     */
    conn: string;
    /** the payload is the IP number of the client, i.e. the sender of audio.
     * Can be an IPv4 or an IPv6 number. This is an AirPlay-2-only message.
     * It is sent as soon as the client requests access to the player.
     * If Shairport Sync is already playing, this message is sent before the current play session is stopped.
     */
    svip: string;
    /** the payload is the IP number of the server, i.e. the player itself.
     * Can be an IPv4 or an IPv6 number.
     */
    disc: string;
}
export interface CoreMetadata {
    /** The track length in milliseconds */
    astm: number;
    /** The URL of the track */
    asul: string;
    /** The album name */
    asal: string;
    /** The artist name */
    asar: string;
    /** The comment */
    ascm: string;
    /** The genre */
    asgn: string;
    /** The title */
    minm: string;
    /** The composer */
    ascp: string;
    /** The file kind */
    asdt: string;
    /** The song data kind */
    asdk: number;
    /** The sort as */
    assn: string;
}
//# sourceMappingURL=interfaces.d.ts.map