@type t() :: %ExWebRTC.RTPSender{
  codec: ExWebRTC.RTPCodecParameters.t() | nil,
  id: id(),
  track: ExWebRTC.MediaStreamTrack.t() | nil
}

Struct representing a sender.

The fields mostly match these of RTCRtpSender, except for:

• id - to uniquely identify the sender.
• codec - codec this sender is going to send.