public static CatalogueEntries GetCatalogueEntries(string catalogueId)
        {
            var e = new CatalogueEntries();
            var l = Instance.FindAll(x => x.CatalogueId == catalogueId);

            e.AddRange(l);
            return(e);
        }
        public static CatalogueEntries GenerateRandomInstance()
        {
            var result = new CatalogueEntries();;

            for (int i = 0; i < GetRandom.Int32(20, 30); i++)
            {
                var rand = CatalogueEntry.Random();
                rand.CatalogueId = "abc123";
                result.Add(rand);
            }
            return(result);
        }