code: private MultiPrintQuery getMultiPrint()
          throws EFapsException
      {
          final MultiPrintQuery ret;
          if (getInstances().isEmpty()) {
              ret = new MultiPrintQuery(QueryBldrUtil.getInstances(this));
          } else {
              final List<Instance> instances = new ArrayList<>();
              for (final String oid : getInstances()) {
                  instances.add(Instance.get(oid));
              }
              ret = new MultiPrintQuery(instances);
          }
          return ret;
      }
docs: Gets the multi print.
  
  @return the multi print
  @throws EFapsException on error