/// <summary>
 /// Lists the MongoDB databases under an existing Azure Cosmos DB database
 /// account.
 /// </summary>
 /// <param name='operations'>
 /// The operations group for this extension method.
 /// </param>
 /// <param name='resourceGroupName'>
 /// Name of an Azure resource group.
 /// </param>
 /// <param name='accountName'>
 /// Cosmos DB database account name.
 /// </param>
 /// <param name='cancellationToken'>
 /// The cancellation token.
 /// </param>
 public static async Task <IEnumerable <MongoDBDatabaseGetResultsInner> > ListMongoDBDatabasesAsync(this IMongoDBResourcesOperations operations, string resourceGroupName, string accountName, CancellationToken cancellationToken = default(CancellationToken))
 {
     using (var _result = await operations.ListMongoDBDatabasesWithHttpMessagesAsync(resourceGroupName, accountName, null, cancellationToken).ConfigureAwait(false))
     {
         return(_result.Body);
     }
 }