public List<Class<?>> getConfiguredClasses(@NotNull Project project) {
    List<Class<?>> result = new ArrayList<>();
    for(String className: myPropertyMap.keySet()) {
      try {
        result.add(Class.forName(className, true, LoaderFactory.getInstance(project).getProjectClassLoader()));
      }
      catch (ClassNotFoundException e) {
        // TODO: do something better than ignore?
      }
    }
    return result;
  }
public List<Class<?>> getConfiguredClasses(@NotNull Project project)