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());
}