type F_RTCSdpType = "answer" | "offer" | "pranswer" | "rollback";
interface F_RTCSessionDescriptionInit {
    sdp?: string;
    type: F_RTCSdpType;
}

interface F_RTCIceCandidateInit {
    candidate?: string;
    sdpMLineIndex?: number | null;
    sdpMid?: string | null;
    usernameFragment?: string | null;
}


export interface SCPacket {
    sender: string,
    data?: CSPacket,
    join?: boolean, // user just joined
    leave?: boolean, // user left
    stable?: boolean // user "joined" because you joined aka. user was already there
}
export interface CSPacket {
    receiver?: string
    ice_candiate?: F_RTCIceCandidateInit
    offer?: F_RTCSessionDescriptionInit
    answer?: F_RTCSessionDescriptionInit
}