feat(bigtableadmin): update the api

#### bigtableadmin:v2

The following keys were added:
- resources.projects.resources.instances.resources.materializedViews.methods.getIamPolicy (Total Keys: 12)
- resources.projects.resources.instances.resources.materializedViews.methods.setIamPolicy (Total Keys: 12)
- resources.projects.resources.instances.resources.materializedViews.methods.testIamPermissions (Total Keys: 12)

Author: yoshi-automation

docs/dyn/bigtableadmin_v2.projects.instances.html

@@ -84,6 +84,11 @@ <h2>Instance Methods</h2>
 </p>
 <p class="firstline">Returns the clusters Resource.</p>
 
+<p class="toc_element">
+  <code><a href="bigtableadmin_v2.projects.instances.materializedViews.html">materializedViews()</a></code>
+</p>
+<p class="firstline">Returns the materializedViews Resource.</p>
+
 <p class="toc_element">
   <code><a href="bigtableadmin_v2.projects.instances.tables.html">tables()</a></code>
 </p>

docs/dyn/bigtableadmin_v2.projects.instances.materializedViews.html

@@ -1311,6 +1311,109 @@
 }
 }
 },
+"materializedViews": {
+"methods": {
+"getIamPolicy": {
+"description": "Gets the access control policy for an instance resource. Returns an empty policy if an instance exists but does not have a policy set.",
+"flatPath": "v2/projects/{projectsId}/instances/{instancesId}/materializedViews/{materializedViewsId}:getIamPolicy",
+"httpMethod": "POST",
+"id": "bigtableadmin.projects.instances.materializedViews.getIamPolicy",
+"parameterOrder": [
+"resource"
+],
+"parameters": {
+"resource": {
+"description": "REQUIRED: The resource for which the policy is being requested. See [Resource names](https://cloud.google.com/apis/design/resource_names) for the appropriate value for this field.",
+"location": "path",
+"pattern": "^projects/[^/]+/instances/[^/]+/materializedViews/[^/]+$",
+"required": true,
+"type": "string"
+}
+},
+"path": "v2/{+resource}:getIamPolicy",
+"request": {
+"$ref": "GetIamPolicyRequest"
+},
+"response": {
+"$ref": "Policy"
+},
+"scopes": [
+"https://www.googleapis.com/auth/bigtable.admin",
+"https://www.googleapis.com/auth/bigtable.admin.cluster",
+"https://www.googleapis.com/auth/bigtable.admin.instance",
+"https://www.googleapis.com/auth/cloud-bigtable.admin",
+"https://www.googleapis.com/auth/cloud-bigtable.admin.cluster",
+"https://www.googleapis.com/auth/cloud-platform"
+]
+},
+"setIamPolicy": {
+"description": "Sets the access control policy on an instance resource. Replaces any existing policy.",
+"flatPath": "v2/projects/{projectsId}/instances/{instancesId}/materializedViews/{materializedViewsId}:setIamPolicy",
+"httpMethod": "POST",
+"id": "bigtableadmin.projects.instances.materializedViews.setIamPolicy",
+"parameterOrder": [
+"resource"
+],
+"parameters": {
+"resource": {
+"description": "REQUIRED: The resource for which the policy is being specified. See [Resource names](https://cloud.google.com/apis/design/resource_names) for the appropriate value for this field.",
+"location": "path",
+"pattern": "^projects/[^/]+/instances/[^/]+/materializedViews/[^/]+$",
+"required": true,
+"type": "string"
+}
+},
+"path": "v2/{+resource}:setIamPolicy",
+"request": {
+"$ref": "SetIamPolicyRequest"
+},
+"response": {
+"$ref": "Policy"
+},
+"scopes": [
+"https://www.googleapis.com/auth/bigtable.admin",
+"https://www.googleapis.com/auth/bigtable.admin.cluster",
+"https://www.googleapis.com/auth/bigtable.admin.instance",
+"https://www.googleapis.com/auth/cloud-bigtable.admin",
+"https://www.googleapis.com/auth/cloud-bigtable.admin.cluster",
+"https://www.googleapis.com/auth/cloud-platform"
+]
+},
+"testIamPermissions": {
+"description": "Returns permissions that the caller has on the specified instance resource.",
+"flatPath": "v2/projects/{projectsId}/instances/{instancesId}/materializedViews/{materializedViewsId}:testIamPermissions",
+"httpMethod": "POST",
+"id": "bigtableadmin.projects.instances.materializedViews.testIamPermissions",
+"parameterOrder": [
+"resource"
+],
+"parameters": {
+"resource": {
+"description": "REQUIRED: The resource for which the policy detail is being requested. See [Resource names](https://cloud.google.com/apis/design/resource_names) for the appropriate value for this field.",
+"location": "path",
+"pattern": "^projects/[^/]+/instances/[^/]+/materializedViews/[^/]+$",
+"required": true,
+"type": "string"
+}
+},
+"path": "v2/{+resource}:testIamPermissions",
+"request": {
+"$ref": "TestIamPermissionsRequest"
+},
+"response": {
+"$ref": "TestIamPermissionsResponse"
+},
+"scopes": [
+"https://www.googleapis.com/auth/bigtable.admin",
+"https://www.googleapis.com/auth/bigtable.admin.cluster",
+"https://www.googleapis.com/auth/bigtable.admin.instance",
+"https://www.googleapis.com/auth/cloud-bigtable.admin",
+"https://www.googleapis.com/auth/cloud-bigtable.admin.cluster",
+"https://www.googleapis.com/auth/cloud-platform"
+]
+}
+}
+},
 "tables": {
 "methods": {
 "checkConsistency": {
@@ -2194,7 +2297,7 @@
 }
 }
 },
-"revision": "20250131",
+"revision": "20250224",
 "rootUrl": "https://bigtableadmin.googleapis.com/",
 "schemas": {
 "AppProfile": {