playWaveform method
Plays a waveform made of timings (milliseconds) and amplitudes
(0-255). Both lists have already been validated by the public API.
Implementation
Future<void> playWaveform({
required List<int> timings,
required List<int> amplitudes,
int repeat = -1,
double atTime = 0.0,
}) {
throw UnimplementedError('playWaveform() has not been implemented.');
}