fix bug with image reference custom constructors (Azure#46086)

Author: wiboris

sdk/batch/Microsoft.Azure.Batch/CHANGELOG.md

@@ -1,14 +1,10 @@
 # Release History
 
-## 16.4.0-beta.1 (Unreleased)
-
-### Features Added
-
-### Breaking Changes
+## 16.3.1 (2024-09-19)
 
 ### Bugs Fixed
 
-### Other Changes
+- Fixed `ImageReference` constructor null reference exception.
 
 ## 16.3.0 (2024-07-01)
 

sdk/batch/Microsoft.Azure.Batch/src/ImageReference.cs

@@ -16,7 +16,7 @@ public ImageReference(
             string offer,
             string publisher,
             string sku,
-            string version = default(string))
+            string version = default(string)) : this()
         {
             this.Offer = offer;
             this.Publisher = publisher;
@@ -33,7 +33,7 @@ public ImageReference(
         /// /subscriptions/{subscriptionId}/resourceGroups/{resourceGroup}/providers/Microsoft.Compute/galleries/{galleryName}/images/{imageDefinitionName}/versions/{versionId}.
         /// </param>
         public ImageReference(
-            string virtualMachineImageId)
+            string virtualMachineImageId) : this()
         {
             this.VirtualMachineImageId = virtualMachineImageId;
         }

sdk/batch/Microsoft.Azure.Batch/src/Microsoft.Azure.Batch.csproj

@@ -1,8 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <Description>This client library provides access to the Microsoft Azure Batch service.</Description>
-    <Version>16.4.0-beta.1</Version>
-    <ApiCompatVersion>16.3.0</ApiCompatVersion>
+    <Version>16.3.1</Version>
     <!--The ApiCompatVersion is managed automatically and should not generally be modified manually.-->
     <DefineConstants>$(DefineConstants);CODESIGN</DefineConstants>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>

sdk/batch/Microsoft.Azure.Batch/tools/ObjectModelCodeGenerator/Spec/ImageReference.json

@@ -65,7 +65,8 @@
         "SummaryComment": "The specific version of the platform image or marketplace image used to create the node. This read-only field differs from 'version' only if the value specified for 'version' when the pool was created was 'latest'.",
         "RemarksComment": null,
         "BoundAccess": "read",
-        "UnboundAccess": "read"
+        "UnboundAccess": "read",
+        "HideSetter": true
       },
       "Value": null
     },