Added ShareSnapshotNotFound in ShareErrorCode 99 (#48975)

* Generated Swagger changes for ShareSnapshotNotFoundValue added in ShareErrorCode

* Fixed autorest.md

* fixed autorest.md

* exported apis

* ShareClient.DeleteIfExists catches ShareSnapshotNotFound

* tiny test fix

* autorest + recorded tests

* Recorded test

Author: nickliu-msft

sdk/storage/Azure.Storage.Files.Shares/api/Azure.Storage.Files.Shares.net6.0.cs

@@ -815,6 +815,7 @@ public ShareDirectorySetHttpHeadersOptions() { }
         public static Azure.Storage.Files.Shares.Models.ShareErrorCode ShareNotFound { get { throw null; } }
         public static Azure.Storage.Files.Shares.Models.ShareErrorCode ShareSnapshotCountExceeded { get { throw null; } }
         public static Azure.Storage.Files.Shares.Models.ShareErrorCode ShareSnapshotInProgress { get { throw null; } }
+        public static Azure.Storage.Files.Shares.Models.ShareErrorCode ShareSnapshotNotFound { get { throw null; } }
         public static Azure.Storage.Files.Shares.Models.ShareErrorCode ShareSnapshotOperationNotSupported { get { throw null; } }
         public static Azure.Storage.Files.Shares.Models.ShareErrorCode SharingViolation { get { throw null; } }
         public static Azure.Storage.Files.Shares.Models.ShareErrorCode UnsupportedHeader { get { throw null; } }

sdk/storage/Azure.Storage.Files.Shares/api/Azure.Storage.Files.Shares.net8.0.cs

@@ -815,6 +815,7 @@ public ShareDirectorySetHttpHeadersOptions() { }
         public static Azure.Storage.Files.Shares.Models.ShareErrorCode ShareNotFound { get { throw null; } }
         public static Azure.Storage.Files.Shares.Models.ShareErrorCode ShareSnapshotCountExceeded { get { throw null; } }
         public static Azure.Storage.Files.Shares.Models.ShareErrorCode ShareSnapshotInProgress { get { throw null; } }
+        public static Azure.Storage.Files.Shares.Models.ShareErrorCode ShareSnapshotNotFound { get { throw null; } }
         public static Azure.Storage.Files.Shares.Models.ShareErrorCode ShareSnapshotOperationNotSupported { get { throw null; } }
         public static Azure.Storage.Files.Shares.Models.ShareErrorCode SharingViolation { get { throw null; } }
         public static Azure.Storage.Files.Shares.Models.ShareErrorCode UnsupportedHeader { get { throw null; } }

sdk/storage/Azure.Storage.Files.Shares/api/Azure.Storage.Files.Shares.netstandard2.0.cs

@@ -815,6 +815,7 @@ public ShareDirectorySetHttpHeadersOptions() { }
         public static Azure.Storage.Files.Shares.Models.ShareErrorCode ShareNotFound { get { throw null; } }
         public static Azure.Storage.Files.Shares.Models.ShareErrorCode ShareSnapshotCountExceeded { get { throw null; } }
         public static Azure.Storage.Files.Shares.Models.ShareErrorCode ShareSnapshotInProgress { get { throw null; } }
+        public static Azure.Storage.Files.Shares.Models.ShareErrorCode ShareSnapshotNotFound { get { throw null; } }
         public static Azure.Storage.Files.Shares.Models.ShareErrorCode ShareSnapshotOperationNotSupported { get { throw null; } }
         public static Azure.Storage.Files.Shares.Models.ShareErrorCode SharingViolation { get { throw null; } }
         public static Azure.Storage.Files.Shares.Models.ShareErrorCode UnsupportedHeader { get { throw null; } }

sdk/storage/Azure.Storage.Files.Shares/assets.json

@@ -2,5 +2,5 @@
   "AssetsRepo": "Azure/azure-sdk-assets",
   "AssetsRepoPrefixPath": "net",
   "TagPrefix": "net/storage/Azure.Storage.Files.Shares",
-  "Tag": "net/storage/Azure.Storage.Files.Shares_2664069888"
+  "Tag": "net/storage/Azure.Storage.Files.Shares_8e80a47735"
 }

sdk/storage/Azure.Storage.Files.Shares/src/Generated/Models/ShareErrorCode.cs

@@ -1423,7 +1423,8 @@ private async Task<Response<bool>> DeleteIfExistsInternal(
                     return Response.FromValue(true, response);
                 }
                 catch (RequestFailedException storageRequestFailedException)
-                when (storageRequestFailedException.ErrorCode == ShareErrorCode.ShareNotFound)
+                when (storageRequestFailedException.ErrorCode == ShareErrorCode.ShareNotFound
+                    || storageRequestFailedException.ErrorCode == ShareErrorCode.ShareSnapshotNotFound)
                 {
                     return Response.FromValue(false, default);
                 }

sdk/storage/Azure.Storage.Files.Shares/src/ShareClient.cs

@@ -4,7 +4,7 @@ Run `dotnet build /t:GenerateCode` to generate code.
 
 ``` yaml
 input-file:
-    - https://raw.githubusercontent.com/Azure/azure-rest-api-specs/7dcad34e88d292bc09c89b279a77d6330f5a04f8/specification/storage/data-plane/Microsoft.FileStorage/stable/2025-11-05/file.json
+    - https://raw.githubusercontent.com/Azure/azure-rest-api-specs/3946d872fb96fe085acd629c213b21794c756b71/specification/storage/data-plane/Microsoft.FileStorage/stable/2025-11-05/file.json
 generation1-convenience-client: true
 # https://github.com/Azure/autorest/issues/4075
 skip-semantics-validation: true

sdk/storage/Azure.Storage.Files.Shares/src/autorest.md

@@ -945,6 +945,23 @@ public async Task DeleteIfExistsAsync_NotExists()
             Assert.IsFalse(response.Value);
         }
 
+        [RecordedTest]
+        public async Task DeleteIfExistsAsync_SnapshotNotFound()
+        {
+            // Arrange
+            var shareName = GetNewShareName();
+            ShareServiceClient service = SharesClientBuilder.GetServiceClient_SharedKey();
+            ShareClient share = InstrumentClient(service.GetShareClient(shareName));
+            await share.CreateIfNotExistsAsync();
+            ShareClient shareWithSnapshot = share.WithSnapshot("2025-02-04T10:17:47.0000000Z");
+
+            // Act
+            Response<bool> response = await shareWithSnapshot.DeleteIfExistsAsync();
+
+            // Assert
+            Assert.IsFalse(response.Value);
+        }
+
         [RecordedTest]
         public async Task DeleteIfExistsAsync_Error()
         {