src/vs/platform/update/electron-main/updateService.darwin.ts/DarwinUpdateService/initialize
class DarwinUpdateService:	override async initialize(): Promise<void> {
		await super.initialize();
		this.onRawError(this.onError, this, this.disposables);
		this.onRawUpdateAvailable(this.onUpdateAvailable, this, this.disposables);
		this.onRawUpdateDownloaded(this.onUpdateDownloaded, this, this.disposables);
		this.onRawUpdateNotAvailable(this.onUpdateNotAvailable, this, this.disposables);
	}