public void iterateFields(OopVisitor visitor, boolean doVMFields) {
   super.iterateFields(visitor, doVMFields);
   if (doVMFields) {
     visitor.doOop(elementKlass, true);
     visitor.doOop(bottomKlass, true);
   }
 }
 public void iterateFields(OopVisitor visitor, boolean doVMFields) {
   super.iterateFields(visitor, doVMFields);
   if (doVMFields) {
     visitor.doCInt(maxLength, true);
   }
 }