src/vs/platform/keyboardLayout/electron-main/keyboardLayoutMainService.ts/KeyboardLayoutMainService/constructor
class KeyboardLayoutMainService:	constructor(
		@ILifecycleMainService lifecycleMainService: ILifecycleMainService
	) {
		super();
		this._initPromise = null;
		this._keyboardLayoutData = null;

		// perf: automatically trigger initialize after windows
		// have opened so that we can do this work in parallel
		// to the window load.
		lifecycleMainService.when(LifecycleMainPhase.AfterWindowOpen).then(() => this._initialize());
	}