chore: regenerate discoveryengine client

clients/google-api-services-discoveryengine/v1/2.0.0/README.md

@@ -22,7 +22,7 @@ Add the following lines to your `pom.xml` file:
     <dependency>
       <groupId>com.google.apis</groupId>
       <artifactId>google-api-services-discoveryengine</artifactId>
-      <version>v1-rev20260524-2.0.0</version>
+      <version>v1-rev20260531-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-discoveryengine:v1-rev20260524-2.0.0'
+  implementation 'com.google.apis:google-api-services-discoveryengine:v1-rev20260531-2.0.0'
 }
 ```
 

clients/google-api-services-discoveryengine/v1/2.0.0/com/google/api/services/discoveryengine/v1/model/GoogleCloudDiscoveryengineV1BAPConfig.java

@@ -43,6 +43,19 @@ public final class GoogleCloudDiscoveryengineV1BAPConfig extends com.google.api.
   @com.google.api.client.util.Key
   private java.util.List<java.lang.String> supportedConnectorModes;
 
+  /**
+   * Optional. Custom toolspec overrides for this connection. For Enterprise BAP connectors that
+   * support admin-curated tool definitions, this holds the (simplified) per-tool overrides. On Get,
+   * populated by the server by merging persisted overrides with live runtime tool definitions and
+   * trimming the result for UI consumption. On Update, the supplied value replaces the persisted
+   * overrides after server-side validation and merging: the `base_version` field MUST match the
+   * server's current base toolspec version (otherwise the request is rejected with a user-facing
+   * error directing the admin to re-download the latest tools first).
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private GoogleCloudDiscoveryengineV1BAPConfigToolspecOverride toolspecOverride;
+
   /**
    * Optional. The actions enabled on the associated BAP connection.
    * @return value or {@code null} for none
@@ -77,6 +90,35 @@ public GoogleCloudDiscoveryengineV1BAPConfig setSupportedConnectorModes(java.uti
     return this;
   }
 
+  /**
+   * Optional. Custom toolspec overrides for this connection. For Enterprise BAP connectors that
+   * support admin-curated tool definitions, this holds the (simplified) per-tool overrides. On Get,
+   * populated by the server by merging persisted overrides with live runtime tool definitions and
+   * trimming the result for UI consumption. On Update, the supplied value replaces the persisted
+   * overrides after server-side validation and merging: the `base_version` field MUST match the
+   * server's current base toolspec version (otherwise the request is rejected with a user-facing
+   * error directing the admin to re-download the latest tools first).
+   * @return value or {@code null} for none
+   */
+  public GoogleCloudDiscoveryengineV1BAPConfigToolspecOverride getToolspecOverride() {
+    return toolspecOverride;
+  }
+
+  /**
+   * Optional. Custom toolspec overrides for this connection. For Enterprise BAP connectors that
+   * support admin-curated tool definitions, this holds the (simplified) per-tool overrides. On Get,
+   * populated by the server by merging persisted overrides with live runtime tool definitions and
+   * trimming the result for UI consumption. On Update, the supplied value replaces the persisted
+   * overrides after server-side validation and merging: the `base_version` field MUST match the
+   * server's current base toolspec version (otherwise the request is rejected with a user-facing
+   * error directing the admin to re-download the latest tools first).
+   * @param toolspecOverride toolspecOverride or {@code null} for none
+   */
+  public GoogleCloudDiscoveryengineV1BAPConfig setToolspecOverride(GoogleCloudDiscoveryengineV1BAPConfigToolspecOverride toolspecOverride) {
+    this.toolspecOverride = toolspecOverride;
+    return this;
+  }
+
   @Override
   public GoogleCloudDiscoveryengineV1BAPConfig set(String fieldName, Object value) {
     return (GoogleCloudDiscoveryengineV1BAPConfig) super.set(fieldName, value);

clients/google-api-services-discoveryengine/v1/2.0.0/com/google/api/services/discoveryengine/v1/model/GoogleCloudDiscoveryengineV1BAPConfigToolspecOverride.java

@@ -0,0 +1,108 @@
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ */
+/*
+ * This code was generated by https://github.com/googleapis/google-api-java-client-services/
+ * Modify at your own risk.
+ */
+
+package com.google.api.services.discoveryengine.v1.model;
+
+/**
+ * Customer-facing view of the admin-curated toolspec for a BAP connection. Holds the (simplified)
+ * per-tool definitions surfaced to and editable by the admin in the Discovery Engine UI. Mirrors
+ * the shape of the backend `google.cloud.connectorexecution.v1.ToolspecOverride` message, but is
+ * intentionally kept as a separate public type so the Discovery Engine API surface can evolve
+ * independently of the fed-API surface (AIP-215). Handlers convert between the two via helpers in /
+ * /cloud/ml/discoveryengine/external_service/v1main/data_connector_service/lib:bap_custom_tool_util
+ * .
+ *
+ * <p> This is the Java data model class that specifies how to parse/serialize into the JSON that is
+ * transmitted over HTTP when working with the Discovery Engine API. For a detailed explanation see:
+ * <a href="https://developers.google.com/api-client-library/java/google-http-java-client/json">https://developers.google.com/api-client-library/java/google-http-java-client/json</a>
+ * </p>
+ *
+ * @author Google, Inc.
+ */
+@SuppressWarnings("javadoc")
+public final class GoogleCloudDiscoveryengineV1BAPConfigToolspecOverride extends com.google.api.client.json.GenericJson {
+
+  /**
+   * Required. Base toolspec version against which `tools` were authored. On Update, MUST match the
+   * server's current stable toolspec version for the connection; mismatch is rejected with a user-
+   * facing error directing the admin to re-download the latest tools first.
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private java.lang.String baseVersion;
+
+  /**
+   * Required. Tool definitions (one Struct per tool) that the admin has customised on top of the
+   * base toolspec returned by the fed API. REQUIRED because it is the only user-editable field in
+   * the modify API; the request must carry at least one tool.
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private java.util.List<java.util.Map<String, java.lang.Object>> tools;
+
+  /**
+   * Required. Base toolspec version against which `tools` were authored. On Update, MUST match the
+   * server's current stable toolspec version for the connection; mismatch is rejected with a user-
+   * facing error directing the admin to re-download the latest tools first.
+   * @return value or {@code null} for none
+   */
+  public java.lang.String getBaseVersion() {
+    return baseVersion;
+  }
+
+  /**
+   * Required. Base toolspec version against which `tools` were authored. On Update, MUST match the
+   * server's current stable toolspec version for the connection; mismatch is rejected with a user-
+   * facing error directing the admin to re-download the latest tools first.
+   * @param baseVersion baseVersion or {@code null} for none
+   */
+  public GoogleCloudDiscoveryengineV1BAPConfigToolspecOverride setBaseVersion(java.lang.String baseVersion) {
+    this.baseVersion = baseVersion;
+    return this;
+  }
+
+  /**
+   * Required. Tool definitions (one Struct per tool) that the admin has customised on top of the
+   * base toolspec returned by the fed API. REQUIRED because it is the only user-editable field in
+   * the modify API; the request must carry at least one tool.
+   * @return value or {@code null} for none
+   */
+  public java.util.List<java.util.Map<String, java.lang.Object>> getTools() {
+    return tools;
+  }
+
+  /**
+   * Required. Tool definitions (one Struct per tool) that the admin has customised on top of the
+   * base toolspec returned by the fed API. REQUIRED because it is the only user-editable field in
+   * the modify API; the request must carry at least one tool.
+   * @param tools tools or {@code null} for none
+   */
+  public GoogleCloudDiscoveryengineV1BAPConfigToolspecOverride setTools(java.util.List<java.util.Map<String, java.lang.Object>> tools) {
+    this.tools = tools;
+    return this;
+  }
+
+  @Override
+  public GoogleCloudDiscoveryengineV1BAPConfigToolspecOverride set(String fieldName, Object value) {
+    return (GoogleCloudDiscoveryengineV1BAPConfigToolspecOverride) super.set(fieldName, value);
+  }
+
+  @Override
+  public GoogleCloudDiscoveryengineV1BAPConfigToolspecOverride clone() {
+    return (GoogleCloudDiscoveryengineV1BAPConfigToolspecOverride) super.clone();
+  }
+
+}

clients/google-api-services-discoveryengine/v1/2.0.0/com/google/api/services/discoveryengine/v1/model/GoogleCloudDiscoveryengineV1Engine.java

@@ -131,7 +131,8 @@ public final class GoogleCloudDiscoveryengineV1Engine extends com.google.api.cli
    * app-access` * `disable-agent-sharing` * `disable-image-generation` * `disable-video-generation`
    * * `disable-onedrive-upload` * `disable-talk-to-content` * `disable-google-drive-upload` *
    * `disable-welcome-emails` * `disable-canvas` * `disable-canvas-workspace` * `disable-skills` *
-   * `enable-end-user-sharing-with-groups`
+   * `enable-end-user-sharing-with-groups` * `single-agent-orchestration` * `multi-agent-
+   * orchestration`
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
@@ -458,7 +459,8 @@ public GoogleCloudDiscoveryengineV1Engine setDisplayName(java.lang.String displa
    * app-access` * `disable-agent-sharing` * `disable-image-generation` * `disable-video-generation`
    * * `disable-onedrive-upload` * `disable-talk-to-content` * `disable-google-drive-upload` *
    * `disable-welcome-emails` * `disable-canvas` * `disable-canvas-workspace` * `disable-skills` *
-   * `enable-end-user-sharing-with-groups`
+   * `enable-end-user-sharing-with-groups` * `single-agent-orchestration` * `multi-agent-
+   * orchestration`
    * @return value or {@code null} for none
    */
   public java.util.Map<String, java.lang.String> getFeatures() {
@@ -474,7 +476,8 @@ public java.util.Map<String, java.lang.String> getFeatures() {
    * app-access` * `disable-agent-sharing` * `disable-image-generation` * `disable-video-generation`
    * * `disable-onedrive-upload` * `disable-talk-to-content` * `disable-google-drive-upload` *
    * `disable-welcome-emails` * `disable-canvas` * `disable-canvas-workspace` * `disable-skills` *
-   * `enable-end-user-sharing-with-groups`
+   * `enable-end-user-sharing-with-groups` * `single-agent-orchestration` * `multi-agent-
+   * orchestration`
    * @param features features or {@code null} for none
    */
   public GoogleCloudDiscoveryengineV1Engine setFeatures(java.util.Map<String, java.lang.String> features) {