[Storage] Add warning messages for an upcoming breaking change of parameter EnableLargeFileShare (#21405)

* add warning messages

* Udpate warning message

Author: yifanz0

src/Storage/Storage.Management/ChangeLog.md

@@ -18,6 +18,9 @@
         - Additional information about change #1
 -->
 ## Upcoming Release
+* Added warning messages for an upcoming cmdlet breaking change 
+    - `New-AzStorageAccount`
+    - `Set-AzStorageAccount`
 
 ## Version 5.5.0
 * Supported create storage account with DnsEndpointType

src/Storage/Storage.Management/StorageAccount/NewAzureStorageAccount.cs

@@ -12,17 +12,17 @@
 // limitations under the License.
 // ----------------------------------------------------------------------------------
 
-using System.Collections;
-using System.Management.Automation;
+using Microsoft.Azure.Commands.Management.Storage.Models;
+using Microsoft.Azure.Commands.ResourceManager.Common.ArgumentCompleters;
 using Microsoft.Azure.Commands.ResourceManager.Common.Tags;
 using Microsoft.Azure.Management.Storage;
 using Microsoft.Azure.Management.Storage.Models;
-using StorageModels = Microsoft.Azure.Management.Storage.Models;
-using Microsoft.Azure.Commands.Management.Storage.Models;
-using Microsoft.Azure.Commands.ResourceManager.Common.ArgumentCompleters;
+using Microsoft.WindowsAzure.Commands.Common.CustomAttributes;
 using System;
+using System.Collections;
 using System.Collections.Generic;
-using Microsoft.WindowsAzure.Commands.Common.CustomAttributes;
+using System.Management.Automation;
+using StorageModels = Microsoft.Azure.Management.Storage.Models;
 
 namespace Microsoft.Azure.Commands.Management.Storage
 {
@@ -286,6 +286,7 @@ public bool EnableAzureActiveDirectoryDomainServicesForFile
         }
         private bool? enableAzureActiveDirectoryDomainServicesForFile = null;
 
+        [CmdletParameterBreakingChange("EnableLargeFileShare", ChangeDescription = "EnableLargeFileShare parameter will be deprecated in a future release.")]
         [Parameter(Mandatory = false, HelpMessage = "Indicates whether or not the storage account can support large file shares with more than 5 TiB capacity. Once the account is enabled, the feature cannot be disabled. Currently only supported for LRS and ZRS replication types, hence account conversions to geo-redundant accounts would not be possible. Learn more in https://go.microsoft.com/fwlink/?linkid=2086047")]
         public SwitchParameter EnableLargeFileShare { get; set; }
 

src/Storage/Storage.Management/StorageAccount/SetAzureStorageAccount.cs

@@ -12,16 +12,17 @@
 // limitations under the License.
 // ----------------------------------------------------------------------------------
 
-using System.Collections;
-using System.Collections.Generic;
-using System.Management.Automation;
+using Microsoft.Azure.Commands.Management.Storage.Models;
+using Microsoft.Azure.Commands.ResourceManager.Common.ArgumentCompleters;
 using Microsoft.Azure.Commands.ResourceManager.Common.Tags;
 using Microsoft.Azure.Management.Storage;
 using Microsoft.Azure.Management.Storage.Models;
-using StorageModels = Microsoft.Azure.Management.Storage.Models;
-using Microsoft.Azure.Commands.Management.Storage.Models;
-using Microsoft.Azure.Commands.ResourceManager.Common.ArgumentCompleters;
+using Microsoft.WindowsAzure.Commands.Common.CustomAttributes;
 using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Management.Automation;
+using StorageModels = Microsoft.Azure.Management.Storage.Models;
 
 namespace Microsoft.Azure.Commands.Management.Storage
 {
@@ -245,6 +246,7 @@ public bool EnableAzureActiveDirectoryDomainServicesForFile
         }
         private bool? enableAzureActiveDirectoryDomainServicesForFile = null;
 
+        [CmdletParameterBreakingChange("EnableLargeFileShare", ChangeDescription = "EnableLargeFileShare parameter will be deprecated in a future release.")]
         [Parameter(Mandatory = false, HelpMessage = "Indicates whether or not the storage account can support large file shares with more than 5 TiB capacity. Once the account is enabled, the feature cannot be disabled. Currently only supported for LRS and ZRS replication types, hence account conversions to geo-redundant accounts would not be possible. Learn more in https://go.microsoft.com/fwlink/?linkid=2086047")]
         public SwitchParameter EnableLargeFileShare { get; set; }