/// <summary>
 /// Returns elastic pool  metrics.
 /// </summary>
 /// <param name='operations'>
 /// The operations group for this extension method.
 /// </param>
 /// <param name='resourceGroupName'>
 /// The name of the resource group that contains the resource. You can obtain
 /// this value from the Azure Resource Manager API or the portal.
 /// </param>
 /// <param name='serverName'>
 /// The name of the server.
 /// </param>
 /// <param name='elasticPoolName'>
 /// The name of the elastic pool.
 /// </param>
 /// <param name='filter'>
 /// An OData filter expression that describes a subset of metrics to return.
 /// </param>
 public static IEnumerable <Metric> ListMetrics(this IElasticPoolsOperations operations, string resourceGroupName, string serverName, string elasticPoolName, string filter)
 {
     return(operations.ListMetricsAsync(resourceGroupName, serverName, elasticPoolName, filter).GetAwaiter().GetResult());
 }