Nest.BaseQuery.operator C# (CSharp) Method

        public static BaseQuery operator !(BaseQuery lbq)
        {
            if (lbq.IsConditionlessQueryDescriptor)
                return new BaseQuery { IsConditionlessQueryDescriptor = true };

            var q = new BaseQuery();
            var bq = new BoolBaseQueryDescriptor();
            bq._MustNotQueries = new[] { lbq };

            q.BoolQueryDescriptor = bq;
            return q;
        }