1. @DomName('MIDIPort.open')
  2. @DocsEditable()
  3. @Experimental()
Future open()

Source 

@DomName('MIDIPort.open')
@DocsEditable()
@Experimental() // untriaged
Future open() => convertNativePromiseToDartFuture(
    _blink.BlinkMIDIPort.instance.open_Callback_0_(this));