/// <summary>
 /// Lists a collection of Identity Provider configured in the specified service
 /// instance.
 /// <see href="https://docs.microsoft.com/en-us/azure/api-management/api-management-howto-aad#how-to-authorize-developer-accounts-using-azure-active-directory" />
 /// </summary>
 /// <param name='operations'>
 /// The operations group for this extension method.
 /// </param>
 /// <param name='resourceGroupName'>
 /// The name of the resource group.
 /// </param>
 /// <param name='serviceName'>
 /// The name of the API Management service.
 /// </param>
 public static IPage <IdentityProviderContract> ListByService(this IIdentityProviderOperations operations, string resourceGroupName, string serviceName)
 {
     return(operations.ListByServiceAsync(resourceGroupName, serviceName).GetAwaiter().GetResult());
 }