src/vs/code/electron-main/main.ts/CodeMain/showStartupWarningDialog
class CodeMain:	private showStartupWarningDialog(message: string, detail: string, title: string): void {
		// use sync variant here because we likely exit after this method
		// due to startup issues and otherwise the dialog seems to disappear
		// https://github.com/microsoft/vscode/issues/104493
		dialog.showMessageBoxSync({
			title,
			type: 'warning',
			buttons: [mnemonicButtonLabel(localize({ key: 'close', comment: ['&& denotes a mnemonic'] }, "&&Close"))],
			message,
			detail,
			defaultId: 0,
			noLink: true
		});
	}