/// <summary>
 /// List all Extensions in the cluster.
 /// </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 <Extension> ListNext(this IExtensionsOperations operations, string nextPageLink)
 {
     return(operations.ListNextAsync(nextPageLink).GetAwaiter().GetResult());
 }