export declare class PeerConnection {
    rtcPeerConnection: any;
    offer: any;
    isCreatingOffer: boolean;
    remoteOffer: any;
    answer: any;
    remoteAnswer: any;
    userId: string;
    isNegotiationNeeded: boolean;
    negotiationId?: string;
    opertionalNegotiationId?: string;
    isSubDone: boolean;
    isRtcRestartIceInProgess: boolean;
}