feat(container): A new message HugepagesConfig is added (#10346)

- [ ] Regenerate this pull request now.

feat(container): A new field `hugepages` is added to message `.google.container.v1.LinuxNodeConfig`
feat(container): A new field `containerd_config` is added to message `.google.container.v1.NodeConfig`
feat(container): A new field `enable_nested_virtualization` is added to message `.google.container.v1.AdvancedMachineFeatures`
feat(container): A new message `ContainerdConfig` is added
feat(container): A new field `satisfies_pzs` is added to message `.google.container.v1.Cluster`
feat(container): A new field `satisfies_pzi` is added to message `.google.container.v1.Cluster`
feat(container): A new value `ENTERPRISE` is added to enum `Mode`
feat(container): A new field `node_kubelet_config` is added to message `.google.container.v1.NodePoolAutoConfig`
feat(container): A new field `containerd_config` is added to message `.google.container.v1.NodeConfigDefaults`
feat(container): A new field `node_kubelet_config` is added to message `.google.container.v1.NodeConfigDefaults`
feat(container): A new field `desired_containerd_config` is added to message `.google.container.v1.ClusterUpdate`
feat(container): A new field `desired_node_kubelet_config` is added to message `.google.container.v1.ClusterUpdate`
feat(container): A new field `desired_node_pool_auto_config_kubelet_config` is added to message `.google.container.v1.ClusterUpdate`
feat(container): A new field `accelerators` is added to message `.google.container.v1.UpdateNodePoolRequest`
feat(container): A new field `containerd_config` is added to message `.google.container.v1.UpdateNodePoolRequest`
feat(container): A new value `MPS` is added to enum `GPUSharingStrategy`
feat(container): A new field `additive_vpc_scope_dns_domain` is added to message `.google.container.v1.DNSConfig`
feat(container): A new value `CADVISOR` is added to enum `Component`
feat(container): A new value `KUBELET` is added to enum `Component`
docs(container): A comment for field `desired_private_cluster_config` in message `.google.container.v1.ClusterUpdate` is changed
docs(container): A comment for field `in_transit_encryption_config` in message `.google.container.v1.NetworkConfig` is changed

PiperOrigin-RevId: 641308642

Source-Link: https://togithub.com/googleapis/googleapis/commit/9516e70a70d6f7e0cd000ddd370d73656da09b96

Source-Link: https://togithub.com/googleapis/googleapis-gen/commit/83800e1fffd8774259ea91b9379f9e5a316d23e4
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BEGIN_NESTED_COMMIT
docs(shopping/merchant/accounts): Format comments in ListUsersRequest
PiperOrigin-RevId: 641269434

Source-Link: https://togithub.com/googleapis/googleapis/commit/fb4af42724a35743e14d5050ae46a698e3de1b36

Source-Link: https://togithub.com/googleapis/googleapis-gen/commit/8899b2d1e7b8e5c3553e94fede9818404e724319
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiODg5OWIyZDFlN2I4ZTVjMzU1M2U5NGZlZGU5ODE4NDA0ZTcyNDMxOSJ9
END_NESTED_COMMIT
BEGIN_NESTED_COMMIT
feat(container): A new method_signature `parent` is added to method `ListOperations` in service `ClusterManager`
PiperOrigin-RevId: 641218734

Source-Link: https://togithub.com/googleapis/googleapis/commit/067ac21d1eaab8692cec9d102c02acd2991abc91

Source-Link: https://togithub.com/googleapis/googleapis-gen/commit/2b38d68cfd75735df69d604d084d9691d20f203b
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END_NESTED_COMMIT
BEGIN_NESTED_COMMIT
feat(retail): support merged facets
feat(retail): add product purge API
feat(retail): add page_categories to control condition
feat(retail): support attribute suggestion in autocomplete
feat(retail): support frequent bought together model config
feat(retail): allow to skip denylist postfiltering in recommendations
chore(retail): deprecate recent search result in autocomplete
docs(retail): keep the API doc up-to-date with recent changes

PiperOrigin-RevId: 641043920

Source-Link: https://togithub.com/googleapis/googleapis/commit/7660854044c0fbd0d8923030ef7a818132cba42e

Source-Link: https://togithub.com/googleapis/googleapis-gen/commit/f62c2555afc77dd26db0216c7ab087be71ca6bfc
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiZjYyYzI1NTVhZmM3N2RkMjZkYjAyMTZjN2FiMDg3YmU3MWNhNmJmYyJ9
END_NESTED_COMMIT
BEGIN_NESTED_COMMIT
feat(retail): support merged facets
feat(retail): add product purge API
feat(retail): add page_categories to control condition
feat(retail): support attribute suggestion in autocomplete
feat(retail): support frequent bought together model config
feat(retail): allow to skip denylist postfiltering in recommendations
chore(retail): deprecate recent search result in autocomplete
docs(retail): keep the API doc up-to-date with recent changes

PiperOrigin-RevId: 641043279

Source-Link: https://togithub.com/googleapis/googleapis/commit/f660ba55c513c66e42715b64664ff40780eb709b

Source-Link: https://togithub.com/googleapis/googleapis-gen/commit/015bd1ac80b1025420305da10ab8e947cc1f2e79
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiMDE1YmQxYWM4MGIxMDI1NDIwMzA1ZGExMGFiOGU5NDdjYzFmMmU3OSJ9
END_NESTED_COMMIT
BEGIN_NESTED_COMMIT
feat(retail): support merged facets
feat(retail): add product purge API
feat(retail): add branch and project APIs to alpha
feat(retail): add page_categories to control condition
feat(retail): support attribute suggestion in autocomplete
feat(retail): support frequent bought together model config
feat(retail): allow to skip denylist postfiltering in recommendations
chore(retail): deprecate recent search result in autocomplete
docs(retail): keep the API doc up-to-date with recent changes

PiperOrigin-RevId: 641040423

Source-Link: https://togithub.com/googleapis/googleapis/commit/a32cd99cdbf7a362bdb090fa9926eea2e99cbe10

Source-Link: https://togithub.com/googleapis/googleapis-gen/commit/538fb413040a90f779a114710a66565b4910a98f
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END_NESTED_COMMIT
BEGIN_NESTED_COMMIT
docs(securitycentermanagement): minor docs formatting in `UpdateSecurityCenterServiceRequest.validate_only`
PiperOrigin-RevId: 640989637

Source-Link: https://togithub.com/googleapis/googleapis/commit/26b136f724bf60e12dc21b26e1c48fb8a78fbf0f

Source-Link: https://togithub.com/googleapis/googleapis-gen/commit/221ee6a542f88aa07a4a1e80a70aadce23cfa32b
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END_NESTED_COMMIT

internal/generated/snippets/retail/apiv2/snippet_metadata.google.cloud.retail.v2.json

@@ -1851,7 +1851,7 @@
     {
       "regionTag": "retail_v2_generated_ProductService_AddFulfillmentPlaces_sync",
       "title": "retail AddFulfillmentPlaces Sample",
-      "description": "AddFulfillmentPlaces it is recommended to use the\n[ProductService.AddLocalInventories][google.cloud.retail.v2.ProductService.AddLocalInventories]\nmethod instead of\n[ProductService.AddFulfillmentPlaces][google.cloud.retail.v2.ProductService.AddFulfillmentPlaces].\n[ProductService.AddLocalInventories][google.cloud.retail.v2.ProductService.AddLocalInventories]\nachieves the same results but provides more fine-grained control over\ningesting local inventory data.\n\nIncrementally adds place IDs to\n[Product.fulfillment_info.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids].\n\nThis process is asynchronous and does not require the\n[Product][google.cloud.retail.v2.Product] to exist before updating\nfulfillment information. If the request is valid, the update will be\nenqueued and processed downstream. As a consequence, when a response is\nreturned, the added place IDs are not immediately manifested in the\n[Product][google.cloud.retail.v2.Product] queried by\n[ProductService.GetProduct][google.cloud.retail.v2.ProductService.GetProduct]\nor\n[ProductService.ListProducts][google.cloud.retail.v2.ProductService.ListProducts].\n\nThe returned [Operation][google.longrunning.Operation]s will be obsolete\nafter 1 day, and [GetOperation][google.longrunning.Operations.GetOperation]\nAPI will return NOT_FOUND afterwards.\n\nIf conflicting updates are issued, the\n[Operation][google.longrunning.Operation]s associated with the stale\nupdates will not be marked as [done][google.longrunning.Operation.done]\nuntil being obsolete.",
+      "description": "AddFulfillmentPlaces we recommend that you use the\n[ProductService.AddLocalInventories][google.cloud.retail.v2.ProductService.AddLocalInventories]\nmethod instead of the\n[ProductService.AddFulfillmentPlaces][google.cloud.retail.v2.ProductService.AddFulfillmentPlaces]\nmethod.\n[ProductService.AddLocalInventories][google.cloud.retail.v2.ProductService.AddLocalInventories]\nachieves the same results but provides more fine-grained control over\ningesting local inventory data.\n\nIncrementally adds place IDs to\n[Product.fulfillment_info.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids].\n\nThis process is asynchronous and does not require the\n[Product][google.cloud.retail.v2.Product] to exist before updating\nfulfillment information. If the request is valid, the update will be\nenqueued and processed downstream. As a consequence, when a response is\nreturned, the added place IDs are not immediately manifested in the\n[Product][google.cloud.retail.v2.Product] queried by\n[ProductService.GetProduct][google.cloud.retail.v2.ProductService.GetProduct]\nor\n[ProductService.ListProducts][google.cloud.retail.v2.ProductService.ListProducts].\n\nThe returned [Operation][google.longrunning.Operation]s will be obsolete\nafter 1 day, and [GetOperation][google.longrunning.Operations.GetOperation]\nAPI will return NOT_FOUND afterwards.\n\nIf conflicting updates are issued, the\n[Operation][google.longrunning.Operation]s associated with the stale\nupdates will not be marked as [done][google.longrunning.Operation.done]\nuntil being obsolete.",
       "file": "ProductClient/AddFulfillmentPlaces/main.go",
       "language": "GO",
       "clientMethod": {
@@ -2261,10 +2261,56 @@
         }
       ]
     },
+    {
+      "regionTag": "retail_v2_generated_ProductService_PurgeProducts_sync",
+      "title": "retail PurgeProducts Sample",
+      "description": "PurgeProducts permanently deletes all selected [Product][google.cloud.retail.v2.Product]s\nunder a branch.\n\nThis process is asynchronous. If the request is valid, the removal will be\nenqueued and processed offline. Depending on the number of\n[Product][google.cloud.retail.v2.Product]s, this operation could take hours\nto complete. Before the operation completes, some\n[Product][google.cloud.retail.v2.Product]s may still be returned by\n[ProductService.GetProduct][google.cloud.retail.v2.ProductService.GetProduct]\nor\n[ProductService.ListProducts][google.cloud.retail.v2.ProductService.ListProducts].\n\nDepending on the number of [Product][google.cloud.retail.v2.Product]s, this\noperation could take hours to complete. To get a sample of\n[Product][google.cloud.retail.v2.Product]s that would be deleted, set\n[PurgeProductsRequest.force][google.cloud.retail.v2.PurgeProductsRequest.force]\nto false.",
+      "file": "ProductClient/PurgeProducts/main.go",
+      "language": "GO",
+      "clientMethod": {
+        "shortName": "PurgeProducts",
+        "fullName": "google.cloud.retail.v2.ProductClient.PurgeProducts",
+        "parameters": [
+          {
+            "type": "context.Context",
+            "name": "ctx"
+          },
+          {
+            "type": "retailpb.PurgeProductsRequest",
+            "name": "req"
+          },
+          {
+            "type": "...gax.CallOption",
+            "name": "opts"
+          }
+        ],
+        "resultType": "PurgeProductsOperation",
+        "client": {
+          "shortName": "ProductClient",
+          "fullName": "google.cloud.retail.v2.ProductClient"
+        },
+        "method": {
+          "shortName": "PurgeProducts",
+          "fullName": "google.cloud.retail.v2.ProductService.PurgeProducts",
+          "service": {
+            "shortName": "ProductService",
+            "fullName": "google.cloud.retail.v2.ProductService"
+          }
+        }
+      },
+      "origin": "API_DEFINITION",
+      "segments": [
+        {
+          "start": 18,
+          "end": 58,
+          "type": "FULL"
+        }
+      ]
+    },
     {
       "regionTag": "retail_v2_generated_ProductService_RemoveFulfillmentPlaces_sync",
       "title": "retail RemoveFulfillmentPlaces Sample",
-      "description": "RemoveFulfillmentPlaces it is recommended to use the\n[ProductService.RemoveLocalInventories][google.cloud.retail.v2.ProductService.RemoveLocalInventories]\nmethod instead of\n[ProductService.RemoveFulfillmentPlaces][google.cloud.retail.v2.ProductService.RemoveFulfillmentPlaces].\n[ProductService.RemoveLocalInventories][google.cloud.retail.v2.ProductService.RemoveLocalInventories]\nachieves the same results but provides more fine-grained control over\ningesting local inventory data.\n\nIncrementally removes place IDs from a\n[Product.fulfillment_info.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids].\n\nThis process is asynchronous and does not require the\n[Product][google.cloud.retail.v2.Product] to exist before updating\nfulfillment information. If the request is valid, the update will be\nenqueued and processed downstream. As a consequence, when a response is\nreturned, the removed place IDs are not immediately manifested in the\n[Product][google.cloud.retail.v2.Product] queried by\n[ProductService.GetProduct][google.cloud.retail.v2.ProductService.GetProduct]\nor\n[ProductService.ListProducts][google.cloud.retail.v2.ProductService.ListProducts].\n\nThe returned [Operation][google.longrunning.Operation]s will be obsolete\nafter 1 day, and [GetOperation][google.longrunning.Operations.GetOperation]\nAPI will return NOT_FOUND afterwards.\n\nIf conflicting updates are issued, the\n[Operation][google.longrunning.Operation]s associated with the stale\nupdates will not be marked as [done][google.longrunning.Operation.done]\nuntil being obsolete.",
+      "description": "RemoveFulfillmentPlaces we recommend that you use the\n[ProductService.RemoveLocalInventories][google.cloud.retail.v2.ProductService.RemoveLocalInventories]\nmethod instead of the\n[ProductService.RemoveFulfillmentPlaces][google.cloud.retail.v2.ProductService.RemoveFulfillmentPlaces]\nmethod.\n[ProductService.RemoveLocalInventories][google.cloud.retail.v2.ProductService.RemoveLocalInventories]\nachieves the same results but provides more fine-grained control over\ningesting local inventory data.\n\nIncrementally removes place IDs from a\n[Product.fulfillment_info.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids].\n\nThis process is asynchronous and does not require the\n[Product][google.cloud.retail.v2.Product] to exist before updating\nfulfillment information. If the request is valid, the update will be\nenqueued and processed downstream. As a consequence, when a response is\nreturned, the removed place IDs are not immediately manifested in the\n[Product][google.cloud.retail.v2.Product] queried by\n[ProductService.GetProduct][google.cloud.retail.v2.ProductService.GetProduct]\nor\n[ProductService.ListProducts][google.cloud.retail.v2.ProductService.ListProducts].\n\nThe returned [Operation][google.longrunning.Operation]s will be obsolete\nafter 1 day, and [GetOperation][google.longrunning.Operations.GetOperation]\nAPI will return NOT_FOUND afterwards.\n\nIf conflicting updates are issued, the\n[Operation][google.longrunning.Operation]s associated with the stale\nupdates will not be marked as [done][google.longrunning.Operation.done]\nuntil being obsolete.",
       "file": "ProductClient/RemoveFulfillmentPlaces/main.go",
       "language": "GO",
       "clientMethod": {