extensions/typescript-language-features/src/tsServer/versionProvider.electron.ts/DiskTypeScriptVersionProvider/bundledVersion
class DiskTypeScriptVersionProvider:	public get bundledVersion(): TypeScriptVersion {
		const version = this.getContributedVersion(TypeScriptVersionSource.Bundled, 'vscode.typescript-language-features', ['..', 'node_modules']);
		if (version) {
			return version;
		}

		vscode.window.showErrorMessage(vscode.l10n.t("VS Code\'s tsserver was deleted by another application such as a misbehaving virus detection tool. Please reinstall VS Code."));
		throw new Error('Could not find bundled tsserver.js');
	}