Interface Connection

interface Connection {
    get peerConnection(): null | RTCPeerConnection;
    get webSocket(): null | WebSocket;
    connect(
        stream: null | MediaStream,
        metadataOption?: null | MetadataOption,
    ): Promise<void>;
    createDataChannel(
        label: string,
        options: undefined | RTCDataChannelInit,
    ): Promise<null | RTCDataChannel>;
    disconnect(): Promise<void>;
    getStats(): Promise<RTCStatsReport>;
    on(kind: string, callback: Function): void;
    removeDataChannel(label: string): Promise<void>;
}