How to use the expo-av.Audio.RECORDING_OPTION_IOS_AUDIO_QUALITY_MAX function in expo-av

private preStatus

  private constructor () { }

  private static RecordingOptions = {
    android: {
      extension: '.m4a',
      outputFormat: Audio.RECORDING_OPTION_ANDROID_OUTPUT_FORMAT_MPEG_4,
      audioEncoder: Audio.RECORDING_OPTION_ANDROID_AUDIO_ENCODER_AAC,
      sampleRate: 8000,
      numberOfChannels: 2,
      bitRate: 48000
    },
    ios: {
      extension: '.caf',
      audioQuality: Audio.RECORDING_OPTION_IOS_AUDIO_QUALITY_MAX,
      sampleRate: 8000,
      numberOfChannels: 2,
      bitRate: 48000,
      linearPCMBitDepth: 16,
      linearPCMIsBigEndian: false,
      linearPCMIsFloat: false
    }
  }

  static getInstance () {
    if (!RecorderManager.instance) {
      RecorderManager.recordInstance = new Audio.Recording()
      RecorderManager.instance = new RecorderManager()
    }
    return RecorderManager.instance
  }