OfflineAudioContext(int numberOfChannels, int numberOfFrames, num sampleRate)

Source

@DomName('OfflineAudioContext.OfflineAudioContext')
@DocsEditable()
factory OfflineAudioContext(
    int numberOfChannels, int numberOfFrames, num sampleRate) {
  return OfflineAudioContext._create_1(
      numberOfChannels, numberOfFrames, sampleRate);
}