extensions/typescript-language-features/src/tsServer/versionProvider.electron.ts/DiskTypeScriptVersionProvider/localNodeModulesVersions
class DiskTypeScriptVersionProvider:	private get localNodeModulesVersions(): TypeScriptVersion[] {
		return this.loadTypeScriptVersionsFromPath(TypeScriptVersionSource.NodeModules, path.join('node_modules', 'typescript', 'lib'))
			.filter(x => x.isValid);
	}