Add C# client customizations for Compute TypeSpec migration

specification/compute/resource-manager/Microsoft.Compute/Compute/Compute/VirtualMachineExtensionImage.tsp

@@ -27,7 +27,7 @@ model VirtualMachineExtensionImage
 alias ImageTypePath = {
   ...ApiVersionParameter;
   ...SubscriptionIdParameter;
-  ...LocationParameter;
+  ...LocationResourceParameter;
   #suppress "@azure-tools/typespec-azure-core/documentation-required"
   @path @segment("publishers") publisherName: string;
 };

specification/compute/resource-manager/Microsoft.Compute/Compute/Compute/back-compatible.tsp

@@ -25,7 +25,8 @@ using Common;
 #suppress "@azure-tools/typespec-azure-core/no-legacy-usage" "@flattenProperty decorator is not recommended to use."
 #suppress "@azure-tools/typespec-azure-core/no-legacy-usage" "Back compatibility"
 @@Azure.ClientGenerator.Core.Legacy.flattenProperty(
-  VirtualMachineScaleSetUpdate.properties
+  VirtualMachineScaleSetUpdate.properties,
+  "!csharp"
 );
 
 #suppress "@azure-tools/typespec-azure-core/no-legacy-usage" "@flattenProperty decorator is not recommended to use."
@@ -206,7 +207,8 @@ using Common;
 #suppress "@azure-tools/typespec-azure-core/no-legacy-usage" "@flattenProperty decorator is not recommended to use."
 #suppress "@azure-tools/typespec-azure-core/no-legacy-usage" "Back compatibility"
 @@Azure.ClientGenerator.Core.Legacy.flattenProperty(
-  VirtualMachineScaleSet.properties
+  VirtualMachineScaleSet.properties,
+  "!csharp"
 );
 
 @@clientName(
@@ -240,7 +242,8 @@ using Common;
 #suppress "@azure-tools/typespec-azure-core/no-legacy-usage" "@flattenProperty decorator is not recommended to use."
 #suppress "@azure-tools/typespec-azure-core/no-legacy-usage" "Back compatibility"
 @@Azure.ClientGenerator.Core.Legacy.flattenProperty(
-  VirtualMachineScaleSetVM.properties
+  VirtualMachineScaleSetVM.properties,
+  "!csharp"
 );
 
 @@clientName(

specification/compute/resource-manager/Microsoft.Compute/Compute/Compute/routes.tsp

@@ -29,7 +29,7 @@ interface UsageOperationGroup {
   list is ComputeProviderActionSync<
     Response = ListUsagesResult,
     Scope = SubscriptionActionScope,
-    Parameters = LocationParameter
+    Parameters = LocationResourceParameter
   >;
 }
 
@@ -48,7 +48,7 @@ interface VirtualMachineSizesOperationGroup {
   list is ComputeProviderActionSync<
     Response = VirtualMachineSizeListResult,
     Scope = SubscriptionActionScope,
-    Parameters = LocationParameter
+    Parameters = LocationResourceParameter
   >;
 }
 
@@ -67,7 +67,7 @@ interface VirtualMachineScaleSetsOperationGroup {
   listByLocation is ComputeProviderActionSync<
     Response = VirtualMachineScaleSetListResult,
     Scope = SubscriptionActionScope,
-    Parameters = LocationParameter
+    Parameters = LocationResourceParameter
   >;
 }
 
@@ -86,7 +86,7 @@ interface VirtualMachinesOperationGroup {
   listByLocation is ComputeProviderActionSync<
     Response = VirtualMachineListResult,
     Scope = SubscriptionActionScope,
-    Parameters = LocationParameter
+    Parameters = LocationResourceParameter
   >;
 }
 
@@ -105,7 +105,7 @@ interface VirtualMachineImagesEdgeZoneOperationGroup {
     Response = ArmResponse<VirtualMachineImageResource[]>,
     Scope = SubscriptionActionScope,
     Parameters = {
-      ...LocationParameter;
+      ...LocationResourceParameter;
 
       /**
        * The name of the edge zone.
@@ -127,7 +127,7 @@ interface VirtualMachineImagesEdgeZoneOperationGroup {
     Response = ArmResponse<VirtualMachineImageResource[]>,
     Scope = SubscriptionActionScope,
     Parameters = {
-      ...LocationParameter;
+      ...LocationResourceParameter;
 
       /**
        * The name of the edge zone.
@@ -156,7 +156,7 @@ interface VirtualMachineImagesEdgeZoneOperationGroup {
     Response = ArmResponse<VirtualMachineImageResource[]>,
     Scope = SubscriptionActionScope,
     Parameters = {
-      ...LocationParameter;
+      ...LocationResourceParameter;
 
       /**
        * The name of the edge zone.
@@ -199,7 +199,7 @@ interface VirtualMachineImagesEdgeZoneOperationGroup {
     Response = ArmResponse<VirtualMachineImageResource[]>,
     Scope = SubscriptionActionScope,
     Parameters = {
-      ...LocationParameter;
+      ...LocationResourceParameter;
 
       /**
        * The name of the edge zone.
@@ -315,7 +315,7 @@ interface VirtualMachineImagesOperationGroup {
     Response = VmImagesInEdgeZoneListResult,
     Scope = SubscriptionActionScope,
     Parameters = {
-      ...LocationParameter;
+      ...LocationResourceParameter;
 
       /**
        * The name of the edge zone.
@@ -336,7 +336,7 @@ interface VirtualMachineImagesOperationGroup {
   listPublishers is ComputeProviderActionSync<
     Response = ArmResponse<VirtualMachineImageResource[]>,
     Scope = SubscriptionActionScope,
-    Parameters = LocationParameter
+    Parameters = LocationResourceParameter
   >;
   /**
    * Gets a list of virtual machine image offers for the specified location and publisher.
@@ -350,7 +350,7 @@ interface VirtualMachineImagesOperationGroup {
     Response = ArmResponse<VirtualMachineImageResource[]>,
     Scope = SubscriptionActionScope,
     Parameters = {
-      ...LocationParameter;
+      ...LocationResourceParameter;
 
       /**
        * A valid image publisher.
@@ -372,7 +372,7 @@ interface VirtualMachineImagesOperationGroup {
     Response = ArmResponse<VirtualMachineImageResource[]>,
     Scope = SubscriptionActionScope,
     Parameters = {
-      ...LocationParameter;
+      ...LocationResourceParameter;
 
       /**
        * A valid image publisher.
@@ -408,7 +408,7 @@ interface VirtualMachineImagesOperationGroup {
     Response = ArmResponse<VirtualMachineImageResource[]>,
     Scope = SubscriptionActionScope,
     Parameters = {
-      ...LocationParameter;
+      ...LocationResourceParameter;
 
       /**
        * A valid image publisher.
@@ -461,7 +461,7 @@ interface VirtualMachineImagesOperationGroup {
   @get
   listWithProperties(
     ...Azure.ResourceManager.Foundations.DefaultBaseParameters<SubscriptionActionScope>,
-    ...LocationParameter,
+    ...LocationResourceParameter,
 
     /**
      * A valid image publisher.
@@ -555,7 +555,7 @@ interface LogAnalyticsOperationGroup {
     LroHeaders = ArmAsyncOperationHeader<FinalResult = LogAnalyticsOperationResult> &
       Azure.Core.Foundations.RetryAfterHeader,
     Scope = SubscriptionActionScope,
-    Parameters = LocationParameter,
+    Parameters = LocationResourceParameter,
     Request = RequestRateByIntervalInput
   >;
   /**
@@ -571,7 +571,7 @@ interface LogAnalyticsOperationGroup {
     LroHeaders = ArmAsyncOperationHeader<FinalResult = LogAnalyticsOperationResult> &
       Azure.Core.Foundations.RetryAfterHeader,
     Scope = SubscriptionActionScope,
-    Parameters = LocationParameter,
+    Parameters = LocationResourceParameter,
     Request = ThrottledRequestsInput
   >;
 }
@@ -591,7 +591,7 @@ interface VirtualMachineRunCommandsOperationGroup {
   list is ComputeProviderActionSync<
     Response = RunCommandListResult,
     Scope = SubscriptionActionScope,
-    Parameters = LocationParameter
+    Parameters = LocationResourceParameter
   >;
   /**
    * Gets specific run command for a subscription in a location.

specification/compute/resource-manager/Microsoft.Compute/Compute/ComputeGallery/models.tsp

@@ -2740,17 +2740,12 @@ model LatestGalleryImageVersion {
  *
  * See more details on [different Azure Resource Manager resource type here.](https://azure.github.io/typespec-azure/docs/howtos/ARM/resource-type)
  * @template Properties A model containing the provider-specific properties for this resource
- * @template PropertiesOptional A boolean flag indicating whether the resource `Properties` field is marked as optional or required. Default true is optional and recommended.
  */
-#suppress "@azure-tools/typespec-azure-core/no-private-usage"
-#suppress "@azure-tools/typespec-azure-core/no-legacy-usage"
+#suppress "@azure-tools/typespec-azure-core/no-private-usage" "Required to keep parentName out of the payload while preserving C# resource-key shape."
 @doc("Concrete proxy resource types can be created by aliasing this type using a specific property type.")
 @Http.Private.includeInapplicableMetadataInPayload(false)
-@Azure.ResourceManager.Legacy.customAzureResource
-model ProxyResourceCommunity<
-  Properties extends {},
-  PropertiesOptional extends valueof boolean = true
-> extends PirCommunityGalleryResource {
+model ProxyResourceCommunity<Properties extends {}>
+  extends PirCommunityGalleryResource {
   @doc("The resource-specific properties for this resource.")
   properties?: Properties;
 
@@ -2768,17 +2763,12 @@ model ProxyResourceCommunity<
  *
  * See more details on [different Azure Resource Manager resource type here.](https://azure.github.io/typespec-azure/docs/howtos/ARM/resource-type)
  * @template Properties A model containing the provider-specific properties for this resource
- * @template PropertiesOptional A boolean flag indicating whether the resource `Properties` field is marked as optional or required. Default true is optional and recommended.
  */
-#suppress "@azure-tools/typespec-azure-core/no-private-usage"
-#suppress "@azure-tools/typespec-azure-core/no-legacy-usage"
+#suppress "@azure-tools/typespec-azure-core/no-private-usage" "Required to keep parentName out of the payload while preserving C# resource-key shape."
 @doc("Concrete proxy resource types can be created by aliasing this type using a specific property type.")
 @Http.Private.includeInapplicableMetadataInPayload(false)
-@Azure.ResourceManager.Legacy.customAzureResource
-model ProxyResourceShared<
-  Properties extends {},
-  PropertiesOptional extends valueof boolean = true
-> extends PirSharedGalleryResource {
+model ProxyResourceShared<Properties extends {}>
+  extends PirSharedGalleryResource {
   @doc("The resource-specific properties for this resource.")
   properties?: Properties;