docs: public static List<String> getPropertyValues(ClassLoader classloader, String key) {
      List<String> values = new ArrayList<>();
      try {
        Enumeration<URL> resources = classloader.getResources("META-INF/MANIFEST.MF");
        while (resources.hasMoreElements()) {
          Manifest manifest = new Manifest(resources.nextElement().openStream());
          Attributes attributes = manifest.getMainAttributes();
          String value = attributes.getValue(key);
          if (value != null) {
            values.add(value);
          }
        }
      } catch (IOException e) {
        throw new SonarException("Fail to load manifests from classloader: " + classloader, e);
      }
      return values;
    }