1. @DomName('RTCDataChannel.sendTypedData')
  2. @DocsEditable()
void sendTypedData(TypedData data)

Source 

@DomName('RTCDataChannel.sendTypedData')
@DocsEditable()
void sendTypedData(TypedData data) =>
    _blink.BlinkRTCDataChannel.instance.send_Callback_1_(this, data);