*
    4.3.2.  RTCIceGatheringState Enum
      new
        Any of the RTCIceTransports are in the "new" gathering state and none
        of the transports are in the "gathering" state, or there are no
        transports.

      gathering
        Any of the RTCIceTransport s are in the gathering state.

      complete
        At least one RTCIceTransport exists, and all RTCIceTransports are
        in the completed gathering state.

    5.6.  RTCIceGathererState
      gathering
        The RTCIceTransport is 