@Override
 public int hashCode() {
   final int prime = 31;
   int result = 1;
   result = prime * result + ((arrayName == null) ? 0 : arrayName.hashCode());
   result = prime * result + ((elementType == null) ? 0 : elementType.hashCode());
   result = prime * result + ((sizeList == null) ? 0 : sizeList.hashCode());
   return result;
 }