private static String format(Object o) {
    if (o == null) {
      return "null";
    } else if (o instanceof String s) {
      return Format.quote(s);
    } else {
      return o.toString();
    }
  }
Returns the result of validating {@code profile} against the examples in {@code specification}.
planetiler-core/src/main/java/com/onthegomap/planetiler/validator/BaseSchemaValidator.java