public bool RecordsExist(AbstractConnection connection, Entity entity) {

            var checker = new SolrConnectionChecker(connection.Logger);
            if (checker.Check(connection)) {
                throw new NotImplementedException();
            }
            return false;

        }
        public bool RecordsExist(AbstractConnection connection, Entity entity)
        {
            var checker = new SolrConnectionChecker(connection.Logger);

            if (checker.Check(connection))
            {
                throw new NotImplementedException();
            }
            return(false);
        }