extensions/typescript-language-features/src/tsServer/versionManager.ts/TypeScriptVersionManager/promptUserForVersion
class TypeScriptVersionManager:	public async promptUserForVersion(): Promise<void> {
		const selected = await vscode.window.showQuickPick<QuickPickItem>([
			this.getBundledPickItem(),
			...this.getLocalPickItems(),
			LearnMorePickItem,
		], {
			placeHolder: localize(
				'selectTsVersion',
				"Select the TypeScript version used for JavaScript and TypeScript language features"),
		});

		return selected?.run();
	}