@Nullable
  private static List<GroovyMethodInfo> getInfos(Map<String, Map<String, List<GroovyMethodInfo>>> map, String key, PsiMethod method) {
    Map<String, List<GroovyMethodInfo>> methodMap = map.get(key);
    if (methodMap == null) return null;

    List<GroovyMethodInfo> res = methodMap.get(method.getName());
    if (res == null) {
      res = methodMap.get(null);
    }

    return res;
  }
@Nullable
  private static List<GroovyMethodInfo> getInfos(Map<String, Map<String, List<GroovyMethodInfo>>> map, String key, PsiMethod method)