/// <summary>
        /// Normalizes the specified expression prior to submission to the service.
        /// </summary>
        /// <param name="expression">The expression to normalize.</param>
        /// <returns>The normalized expression.</returns>
        public override Expression Normalize(Expression expression)
        {
            var normalized = base.Normalize(expression);

            return(ExpressionHelpers.Detupletize(normalized));
        }