1. @DomName('RTCDataChannel.sendBlob')
  2. @DocsEditable()
void sendBlob(Blob data)

Source 

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