Interface PresenceEvent

interface PresenceEvent {
    id: string;
    isContact?: boolean;
    isGroup: boolean;
    isOnline: boolean;
    isUser: boolean;
    participants?: {
        id: string;
        shortName: string;
        state: "available" | "composing" | "recording" | "unavailable";
    }[];
    state: "available"
    | "composing"
    | "recording"
    | "unavailable";
    t: number;
}