FluentCassandra.Types.CassandraType.DynamicCompositeType C# (CSharp) Method

        public static CassandraType DynamicCompositeType(IDictionary<char, CassandraType> aliases)
        {
            var sb = new StringBuilder();
            sb.Append(_DynamicCompositeType);
            sb.Append("(");
            sb.Append(String.Join(",", aliases.Select(x => x.Key + "=>" + x.Value)));
            sb.Append(")");

            return new CassandraType(sb.ToString());
        }