class EPLUtilities {

  @SuppressWarnings("unchecked")
  public static Map<String, Object> findIntersection(Object set1, Object set2) {
    if (set1 instanceof Map && set2 instanceof Map) {
      return findIntersectionMap((Map<String, Object>) set1, (Map<String, Object>) set2);
    }
    return null;
  }

}