Update serialization code to use new signatures

Directory.Build.targets

@@ -61,6 +61,7 @@
     <Compile Include="$(AzureCoreSharedSources)XElementExtensions.cs" LinkBase="Shared/Core" />
     <Compile Include="$(AzureCoreSharedSources)XmlWriterContent.cs" LinkBase="Shared/Core" />
     <Compile Include="$(AzureCoreSharedSources)XmlWriterExtensions.cs" LinkBase="Shared/Core" />
+    <Compile Include="$(AzureCoreSharedSources)ModelSerializerHelper.cs" LinkBase="Shared/Core" />
     <Compile Include="$(MSBuildThisFileDirectory)/src/assets/Generator.Shared/**/*.cs" Link="Shared/AutoRest/%(RecursiveDir)/%(Filename)%(Extension)" />
   </ItemGroup>
   <ItemGroup Condition="'$(IncludeManagementSharedCode)' == 'true'">

Packages.Data.props

@@ -26,9 +26,9 @@
   <!-- All csproj dependencies. -->
   <ItemGroup>
     <PackageReference Update="NUnit" Version="3.13.2" />
-    <PackageReference Update="Azure.Core" Version="1.34.0" />
+    <PackageReference Update="Azure.Core" Version="1.35.0-alpha.20230905.4" />
     <PackageReference Update="Azure.Core.Experimental" Version="0.1.0-preview.18" />
-    <PackageReference Update="Azure.ResourceManager" Version="1.6.0" />
+    <PackageReference Update="Azure.ResourceManager" Version="1.8.0-alpha.20230829.3" />
     <PackageReference Update="Azure.Core.Expressions.DataFactory" Version="1.0.0-beta.4" />
     <PackageReference Update="Microsoft.AspNetCore.Server.Kestrel" Version="2.2.0" />
     <PackageReference Update="System.Diagnostics.DiagnosticSource" Version="6.0.1" />

eng/DownloadSharedSource.ps1

@@ -19,8 +19,8 @@ Write-Host "git sparse-checkout init"
 git sparse-checkout init
 Write-Host "git sparse-checkout set --no-cone $azCoreSharedPath $armCoreSharedPath"
 git sparse-checkout set --no-cone $azCoreSharedPath $armCoreSharedPath
-Write-Host "git checkout"
-git checkout
+Write-Host "git checkout feature/modelSerializer"
+git checkout feature/modelSerializer
 Pop-Location
 
 function CopyAll([string[]]$files, [string]$source, [string]$destination)
@@ -36,7 +36,7 @@ $files = @('AsyncLockWithValue.cs', 'ClientDiagnostics.cs', 'DiagnosticScope.cs'
     'OperationInternalBase.cs', 'OperationInternal.cs', 'OperationInternalOfT.cs', 'TaskExtensions.cs', 'Argument.cs', 'Multipart/MultipartFormDataContent.cs',
     'Multipart/MultipartContent.cs', 'AzureKeyCredentialPolicy.cs', 'AppContextSwitchHelper.cs',
     'OperationPoller.cs', 'FixedDelayWithNoJitterStrategy.cs', 'SequentialDelayStrategy.cs',
-    'ForwardsClientCallsAttribute.cs', 'AsyncLockWithValue.cs', 'VoidValue.cs', 'AzureResourceProviderNamespaceAttribute.cs',
+    'ForwardsClientCallsAttribute.cs', 'VoidValue.cs', 'AzureResourceProviderNamespaceAttribute.cs', 'ModelSerializerHelper.cs',
     'ChangeTrackingDictionary.cs',
     'ChangeTrackingList.cs',
     'ErrorResponse.cs',