extensions/typescript-language-features/src/tsServer/versionProvider.electron.ts/DiskTypeScriptVersionProvider/localTsdkVersions
class DiskTypeScriptVersionProvider:	private get localTsdkVersions(): TypeScriptVersion[] {
		const localTsdk = this.configuration?.localTsdk;
		return localTsdk ? this.loadVersionsFromSetting(TypeScriptVersionSource.WorkspaceSetting, localTsdk) : [];
	}