feat(vpcaccess): update the API

#### vpcaccess:v1beta1

The following keys were added:
- resources.projects.resources.locations.resources.operations.methods.list.parameters.returnPartialSuccess.description
- resources.projects.resources.locations.resources.operations.methods.list.parameters.returnPartialSuccess.location
- resources.projects.resources.locations.resources.operations.methods.list.parameters.returnPartialSuccess.type
- schemas.ListOperationsResponse.properties.unreachable.description
- schemas.ListOperationsResponse.properties.unreachable.items.type
- schemas.ListOperationsResponse.properties.unreachable.type

The following keys were changed:
- resources.projects.resources.locations.methods.list.parameters.extraLocationTypes.description

Author: yoshi-automation

discovery/vpcaccess-v1beta1.json

@@ -119,7 +119,7 @@
               ],
               "parameters": {
                 "extraLocationTypes": {
-                  "description": "Optional. Unless explicitly documented otherwise, don't use this unsupported field which is primarily intended for internal usage.",
+                  "description": "Optional. Do not use this field. It is unsupported and is ignored unless explicitly documented otherwise. This is primarily for internal usage.",
                   "location": "query",
                   "repeated": true,
                   "type": "string"
@@ -373,6 +373,11 @@
                       "description": "The standard list page token.",
                       "location": "query",
                       "type": "string"
+                    },
+                    "returnPartialSuccess": {
+                      "description": "When set to `true`, operations that are reachable are returned as normal, and those that are unreachable are returned in the [ListOperationsResponse.unreachable] field. This can only be `true` when reading across collections e.g. when `parent` is set to `\"projects/example/locations/-\"`. This field is not by default supported and will result in an `UNIMPLEMENTED` error if set unless explicitly documented otherwise in service or product specific documentation.",
+                      "location": "query",
+                      "type": "boolean"
                     }
                   },
                   "path": "v1beta1/{+name}/operations",
@@ -390,7 +395,7 @@
       }
     }
   },
-  "revision": "20250916",
+  "revision": "20251021",
   "rootUrl": "https://vpcaccess.googleapis.com/",
   "schemas": {
     "Connector": {
@@ -533,6 +538,13 @@
             "$ref": "Operation"
           },
           "type": "array"
+        },
+        "unreachable": {
+          "description": "Unordered list. Unreachable resources. Populated when the request sets `ListOperationsRequest.return_partial_success` and reads across collections e.g. when attempting to list all resources across all supported locations.",
+          "items": {
+            "type": "string"
+          },
+          "type": "array"
         }
       },
       "type": "object"

src/apis/vpcaccess/v1beta1.ts

@@ -219,6 +219,10 @@ export namespace vpcaccess_v1beta1 {
      * A list of operations that matches the specified filter in the request.
      */
     operations?: Schema$Operation[];
+    /**
+     * Unordered list. Unreachable resources. Populated when the request sets `ListOperationsRequest.return_partial_success` and reads across collections e.g. when attempting to list all resources across all supported locations.
+     */
+    unreachable?: string[] | null;
   }
   /**
    * A resource that represents a Google Cloud location.
@@ -418,7 +422,7 @@ export namespace vpcaccess_v1beta1 {
      *
      *   // Do the magic
      *   const res = await vpcaccess.projects.locations.list({
-     *     // Optional. Unless explicitly documented otherwise, don't use this unsupported field which is primarily intended for internal usage.
+     *     // Optional. Do not use this field. It is unsupported and is ignored unless explicitly documented otherwise. This is primarily for internal usage.
      *     extraLocationTypes: 'placeholder-value',
      *     // A filter to narrow down results to a preferred subset. The filtering language accepts strings like `"displayName=tokyo"`, and is documented in more detail in [AIP-160](https://google.aip.dev/160).
      *     filter: 'placeholder-value',
@@ -539,7 +543,7 @@ export namespace vpcaccess_v1beta1 {
   export interface Params$Resource$Projects$Locations$List
     extends StandardParameters {
     /**
-     * Optional. Unless explicitly documented otherwise, don't use this unsupported field which is primarily intended for internal usage.
+     * Optional. Do not use this field. It is unsupported and is ignored unless explicitly documented otherwise. This is primarily for internal usage.
      */
     extraLocationTypes?: string[];
     /**
@@ -1563,13 +1567,16 @@ export namespace vpcaccess_v1beta1 {
      *     pageSize: 'placeholder-value',
      *     // The standard list page token.
      *     pageToken: 'placeholder-value',
+     *     // When set to `true`, operations that are reachable are returned as normal, and those that are unreachable are returned in the [ListOperationsResponse.unreachable] field. This can only be `true` when reading across collections e.g. when `parent` is set to `"projects/example/locations/-"`. This field is not by default supported and will result in an `UNIMPLEMENTED` error if set unless explicitly documented otherwise in service or product specific documentation.
+     *     returnPartialSuccess: 'placeholder-value',
      *   });
      *   console.log(res.data);
      *
      *   // Example response
      *   // {
      *   //   "nextPageToken": "my_nextPageToken",
-     *   //   "operations": []
+     *   //   "operations": [],
+     *   //   "unreachable": []
      *   // }
      * }
      *
@@ -1696,5 +1703,9 @@ export namespace vpcaccess_v1beta1 {
      * The standard list page token.
      */
     pageToken?: string;
+    /**
+     * When set to `true`, operations that are reachable are returned as normal, and those that are unreachable are returned in the [ListOperationsResponse.unreachable] field. This can only be `true` when reading across collections e.g. when `parent` is set to `"projects/example/locations/-"`. This field is not by default supported and will result in an `UNIMPLEMENTED` error if set unless explicitly documented otherwise in service or product specific documentation.
+     */
+    returnPartialSuccess?: boolean;
   }
 }