/// <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='nextPageLink'>
 /// The NextLink from the previous successful call to List operation.
 /// </param>
 public static IPage <IdentityProviderContract> ListByServiceNext(this IIdentityProviderOperations operations, string nextPageLink)
 {
     return(operations.ListByServiceNextAsync(nextPageLink).GetAwaiter().GetResult());
 }