code: private boolean serialClassFoundToDocument(SortedSet<TypeElement> classes) {
          for (TypeElement aClass : classes) {
              if (serialClassInclude(utils, aClass)) {
                  return true;
              }
          }
          return false;
      }
docs: Return true if any of the given typeElements have a @serialinclude tag.
  
  @param classes the typeElements to check.
  @return true if any of the given typeElements have a @serialinclude tag.