Interface SimpleAckData

interface SimpleAckData {
    ack: number;
    ackString: string;
    biz?: null;
    externalIds: string[];
    from: WAJS.whatsapp.Wid;
    offline: null;
    participant: WAJS.whatsapp.Wid;
    recipient: null;
    stanzaId: string;
    ts: number;
    type: string;
}