src/vs/platform/dialogs/electron-main/dialogMainService.ts/DialogMainService/showMessageBox
class DialogMainService:	showMessageBox(options: MessageBoxOptions, window?: BrowserWindow): Promise<MessageBoxReturnValue> {
		return this.getWindowDialogQueue<MessageBoxReturnValue>(window).queue(async () => {
			if (window) {
				return dialog.showMessageBox(window, options);
			}

			return dialog.showMessageBox(options);
		});
	}