/// <summary>
 /// List of recommendations for purchasing reserved instances.
 /// <see href="https://docs.microsoft.com/en-us/rest/api/consumption/" />
 /// </summary>
 /// <param name='operations'>
 /// The operations group for this extension method.
 /// </param>
 /// <param name='filter'>
 /// May be used to filter reservationRecommendations by properties/scope and
 /// properties/lookBackPeriod.
 /// </param>
 public static IPage <ReservationRecommendation> List(this IReservationRecommendationsOperations operations, string filter = default(string))
 {
     return(operations.ListAsync(filter).GetAwaiter().GetResult());
 }