code: public static QueryFilter or(QueryFilter... queryFilters) {
          QueryFilter result = null;
          for (QueryFilter q : queryFilters) {
              result = result == null ? q : result.or(q);
          }
          return result;
      }
docs: Get a query filter that is the ORed combination of the specified filters.
  
  @param queryFilters one or more query filters to be ORed together
  @return the ORed query filter