public static class ODataMuscleExtensions
    {
        public static DataServiceQuery<T> Expand<T, TProperty>(this DataServiceQuery<T> entities, Expression<Func<T, TProperty>> propertyExpressions)
        {
            string propertyName = ExpandPropertyName(propertyExpressions);
            return entities.Expand(propertyName);
        }
 
        public static string Expand<T, TProperty>(this DataServiceCollection<T> collection, Expression<Func<T, TProperty>> propertyExpressions)
        {