- /**
- * Regex that matches whitespace inside empty arrays and objects.
- *
- * This doesn't affect regular strings inside the JSON because those can't
- * have a real line break (\n) in them, at this point they are already escaped
- * as the string "\n" which this doesn't match.
- *
- * @private
- */
- const WS_CLEANUP_REGEX = '/(?<=[\[{])\n\s*+(?=[\]}])/';
-