public boolean isQueryableValid(MWQueryable queryable) {
   return queryable.isValidForBatchReadAttribute();
 }
 public Problem queryableInvalidProblem(MWQueryable queryable) {
   return buildProblem(
       ProblemConstants.QUERYABLE_NOT_VALID_FOR_READ_ALL_QUERY_BATCH_READ_ITEM,
       queryable.displayString(),
       getParentQuery().signature());
 }