private IEnumerable <PSNodeVMExtension> GetExtensionByName(string poolId, string nodeId, string extensionName, PoolOperations poolOperations, ListComputeNodeExtensionParameters options)
        {
            WriteVerbose(string.Format(Resources.GetComputeNodeExtensionByName, extensionName, nodeId, poolId));

            ODATADetailLevel  getDetailLevel = new ODATADetailLevel(selectClause: options.Select);
            NodeVMExtension   extension      = poolOperations.GetComputeNodeExtension(poolId, nodeId, extensionName, detailLevel: getDetailLevel, additionalBehaviors: options.AdditionalBehaviors);
            PSNodeVMExtension psExtension    = new PSNodeVMExtension(extension);

            return(new PSNodeVMExtension[] { psExtension });
        }