internal static IList <FilterOperator> GetFilterOperators(Type dataType)
        {
            List <DataFilterOperatorContext> filterOperations   = DataFilterOperatorContext.GetFilterOperations(dataType);
            IList <FilterOperator>           filterOperatorList = (IList <FilterOperator>) new List <FilterOperator>(filterOperations.Count);

            foreach (DataFilterOperatorContext filterOperatorContext in filterOperations)
            {
                filterOperatorList.Add(filterOperatorContext.Operator);
            }
            return(filterOperatorList);
        }