/// <inheritdoc />
        public VbCollection Query(Oid firstOid, params Oid[] oids)
        {
            IEnumerable <Oid> oidEnum = new Oid[] { firstOid };

            if (oids != null)
            {
                oidEnum = oidEnum.Concat(oids);
            }

            return(this.Query(oidEnum));
        }