1. @DomName('AnalyserNode.getByteFrequencyData')
  2. @DocsEditable()
void getByteFrequencyData(Uint8List array)

Source 

@DomName('AnalyserNode.getByteFrequencyData')
@DocsEditable()
void getByteFrequencyData(Uint8List array) =>
    _blink.BlinkAnalyserNode.instance
        .getByteFrequencyData_Callback_1_(this, array);