internal virtual bool ContainsItemsByFields(string ids, string fieldName, string fieldValue)
        {
            var globalQuery = new CombinedQuery();

            SearcherMethods.ApplyIdFilter(globalQuery, BuiltinFields.ID, ids);
            SearcherMethods.AddFieldValueClause(globalQuery, fieldName, fieldValue, QueryOccurance.Must);
            return(this.RunQuery(globalQuery).Value.Any());
        }