public static InSelector <T> In <T>(this IWhereSelector selector)
        {
            var inSelector = new InSelector <T>(selector.Client)
            {
                ParentSelector = selector
            };

            return(inSelector);
        }
        public static InSelector <T> In <T>(this IWhereSelector selector, string edgeLabel = null)
        {
            var inSelector = new InSelector <T>(selector.Client, edgeLabel)
            {
                ParentSelector = selector
            };

            return(inSelector);
        }