src/vs/platform/audioCues/browser/audioCueService.ts/AudioCueService/playAudioCues
class AudioCueService:	public async playAudioCues(cues: AudioCue[]): Promise<void> {
		// Some audio cues might reuse sounds. Don't play the same sound twice.
		const sounds = new Set(cues.filter(cue => this.isEnabled(cue).get()).map(cue => cue.sound));
		await Promise.all(Array.from(sounds).map(sound => this.playSound(sound)));
	}