static TypeSystem()
		{
			var tuples = new TupleKeyEncoding();
			Tuples = tuples;

			// default is the same a Tuples (for now?)
			Default = tuples;
		}
        static TypeSystem()
        {
            var tuples = new TupleKeyEncoding();

            Tuples = tuples;

            // default is the same a Tuples (for now?)
            Default = tuples;
        }