chore: Update discovery artifacts (#1269)

* chore(accessapproval): update the api
* chore(accesscontextmanager): update the api
* chore(apigateway): update the api
* chore(area120tables): update the api
* chore(bigquerydatatransfer): update the api
* chore(billingbudgets): update the api
* chore(calendar): update the api
* chore(chat): update the api
* chore(cloudbilling): update the api
* chore(cloudfunctions): update the api
* chore(cloudkms): update the api
* chore(cloudprofiler): update the api
* chore(cloudscheduler): update the api
* chore(cloudshell): update the api
* chore(cloudtasks): update the api
* chore(composer): update the api
* chore(datalabeling): update the api
* chore(datamigration): update the api
* chore(deploymentmanager): update the api
* chore(dlp): update the api
* chore(doubleclickbidmanager): update the api
* chore(drive): update the api
* chore(driveactivity): update the api
* chore(eventarc): update the api
* chore(fcm): update the api
* chore(firebaseml): update the api
* chore(firestore): update the api
* chore(gameservices): update the api
* chore(genomics): update the api
* chore(groupsmigration): update the api
* chore(iam): update the api
* chore(language): update the api
* chore(libraryagent): update the api
* chore(lifesciences): update the api
* chore(logging): update the api
* chore(monitoring): update the api
* chore(policytroubleshooter): update the api
* chore(recommendationengine): update the api
* chore(recommender): update the api
* chore(redis): update the api
* chore(runtimeconfig): update the api
* chore(script): update the api
* chore(serviceconsumermanagement): update the api
* chore(servicedirectory): update the api
* chore(servicenetworking): update the api
* chore(serviceusage): update the api
* chore(sheets): update the api
* chore(texttospeech): update the api
* chore(toolresults): update the api
* chore(transcoder): update the api
* chore(translate): update the api
* chore(vision): update the api
* chore(workflows): update the api

Co-authored-by: Yoshi Automation <yoshi-automation@google.com>
Co-authored-by: Anthonios Partheniou <partheniou@google.com>
diff --git a/docs/dyn/dialogflow_v2.projects.agent.knowledgeBases.html b/docs/dyn/dialogflow_v2.projects.agent.knowledgeBases.html
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+
+.method  {
+  margin-top: 1em;
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+  padding: 1em;
+  background: #EEE;
+}
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+.details {
+  font-weight: bold;
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+</style>
+
+<h1><a href="dialogflow_v2.html">Dialogflow API</a> . <a href="dialogflow_v2.projects.html">projects</a> . <a href="dialogflow_v2.projects.agent.html">agent</a> . <a href="dialogflow_v2.projects.agent.knowledgeBases.html">knowledgeBases</a></h1>
+<h2>Instance Methods</h2>
+<p class="toc_element">
+  <code><a href="dialogflow_v2.projects.agent.knowledgeBases.documents.html">documents()</a></code>
+</p>
+<p class="firstline">Returns the documents Resource.</p>
+
+<p class="toc_element">
+  <code><a href="#close">close()</a></code></p>
+<p class="firstline">Close httplib2 connections.</p>
+<p class="toc_element">
+  <code><a href="#create">create(parent, body=None, x__xgafv=None)</a></code></p>
+<p class="firstline">Creates a knowledge base.</p>
+<p class="toc_element">
+  <code><a href="#delete">delete(name, force=None, x__xgafv=None)</a></code></p>
+<p class="firstline">Deletes the specified knowledge base.</p>
+<p class="toc_element">
+  <code><a href="#get">get(name, x__xgafv=None)</a></code></p>
+<p class="firstline">Retrieves the specified knowledge base.</p>
+<p class="toc_element">
+  <code><a href="#list">list(parent, pageSize=None, pageToken=None, x__xgafv=None)</a></code></p>
+<p class="firstline">Returns the list of all knowledge bases of the specified agent.</p>
+<p class="toc_element">
+  <code><a href="#list_next">list_next(previous_request, previous_response)</a></code></p>
+<p class="firstline">Retrieves the next page of results.</p>
+<p class="toc_element">
+  <code><a href="#patch">patch(name, body=None, updateMask=None, x__xgafv=None)</a></code></p>
+<p class="firstline">Updates the specified knowledge base.</p>
+<h3>Method Details</h3>
+<div class="method">
+    <code class="details" id="close">close()</code>
+  <pre>Close httplib2 connections.</pre>
+</div>
+
+<div class="method">
+    <code class="details" id="create">create(parent, body=None, x__xgafv=None)</code>
+  <pre>Creates a knowledge base.
+
+Args:
+  parent: string, Required. The project to create a knowledge base for. Format: `projects//locations/`. (required)
+  body: object, The request body.
+    The object takes the form of:
+
+{ # A knowledge base represents a collection of knowledge documents that you provide to Dialogflow. Your knowledge documents contain information that may be useful during conversations with end-users. Some Dialogflow features use knowledge bases when looking for a response to an end-user input. For more information, see the [knowledge base guide](https://cloud.google.com/dialogflow/docs/how/knowledge-bases). Note: The `projects.agent.knowledgeBases` resource is deprecated; only use `projects.knowledgeBases`.
+  &quot;displayName&quot;: &quot;A String&quot;, # Required. The display name of the knowledge base. The name must be 1024 bytes or less; otherwise, the creation request fails.
+  &quot;languageCode&quot;: &quot;A String&quot;, # Language which represents the KnowledgeBase. When the KnowledgeBase is created/updated, expect this to be present for non en-us languages. When unspecified, the default language code en-us applies.
+  &quot;name&quot;: &quot;A String&quot;, # The knowledge base resource name. The name must be empty when creating a knowledge base. Format: `projects//locations//knowledgeBases/`.
+}
+
+  x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
+
+Returns:
+  An object of the form:
+
+    { # A knowledge base represents a collection of knowledge documents that you provide to Dialogflow. Your knowledge documents contain information that may be useful during conversations with end-users. Some Dialogflow features use knowledge bases when looking for a response to an end-user input. For more information, see the [knowledge base guide](https://cloud.google.com/dialogflow/docs/how/knowledge-bases). Note: The `projects.agent.knowledgeBases` resource is deprecated; only use `projects.knowledgeBases`.
+  &quot;displayName&quot;: &quot;A String&quot;, # Required. The display name of the knowledge base. The name must be 1024 bytes or less; otherwise, the creation request fails.
+  &quot;languageCode&quot;: &quot;A String&quot;, # Language which represents the KnowledgeBase. When the KnowledgeBase is created/updated, expect this to be present for non en-us languages. When unspecified, the default language code en-us applies.
+  &quot;name&quot;: &quot;A String&quot;, # The knowledge base resource name. The name must be empty when creating a knowledge base. Format: `projects//locations//knowledgeBases/`.
+}</pre>
+</div>
+
+<div class="method">
+    <code class="details" id="delete">delete(name, force=None, x__xgafv=None)</code>
+  <pre>Deletes the specified knowledge base.
+
+Args:
+  name: string, Required. The name of the knowledge base to delete. Format: `projects//locations//knowledgeBases/`. (required)
+  force: boolean, Optional. Force deletes the knowledge base. When set to true, any documents in the knowledge base are also deleted.
+  x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
+
+Returns:
+  An object of the form:
+
+    { # A generic empty message that you can re-use to avoid defining duplicated empty messages in your APIs. A typical example is to use it as the request or the response type of an API method. For instance: service Foo { rpc Bar(google.protobuf.Empty) returns (google.protobuf.Empty); } The JSON representation for `Empty` is empty JSON object `{}`.
+}</pre>
+</div>
+
+<div class="method">
+    <code class="details" id="get">get(name, x__xgafv=None)</code>
+  <pre>Retrieves the specified knowledge base.
+
+Args:
+  name: string, Required. The name of the knowledge base to retrieve. Format `projects//locations//knowledgeBases/`. (required)
+  x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
+
+Returns:
+  An object of the form:
+
+    { # A knowledge base represents a collection of knowledge documents that you provide to Dialogflow. Your knowledge documents contain information that may be useful during conversations with end-users. Some Dialogflow features use knowledge bases when looking for a response to an end-user input. For more information, see the [knowledge base guide](https://cloud.google.com/dialogflow/docs/how/knowledge-bases). Note: The `projects.agent.knowledgeBases` resource is deprecated; only use `projects.knowledgeBases`.
+  &quot;displayName&quot;: &quot;A String&quot;, # Required. The display name of the knowledge base. The name must be 1024 bytes or less; otherwise, the creation request fails.
+  &quot;languageCode&quot;: &quot;A String&quot;, # Language which represents the KnowledgeBase. When the KnowledgeBase is created/updated, expect this to be present for non en-us languages. When unspecified, the default language code en-us applies.
+  &quot;name&quot;: &quot;A String&quot;, # The knowledge base resource name. The name must be empty when creating a knowledge base. Format: `projects//locations//knowledgeBases/`.
+}</pre>
+</div>
+
+<div class="method">
+    <code class="details" id="list">list(parent, pageSize=None, pageToken=None, x__xgafv=None)</code>
+  <pre>Returns the list of all knowledge bases of the specified agent.
+
+Args:
+  parent: string, Required. The project to list of knowledge bases for. Format: `projects//locations/`. (required)
+  pageSize: integer, The maximum number of items to return in a single page. By default 10 and at most 100.
+  pageToken: string, The next_page_token value returned from a previous list request.
+  x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
+
+Returns:
+  An object of the form:
+
+    { # Response message for KnowledgeBases.ListKnowledgeBases.
+  &quot;knowledgeBases&quot;: [ # The list of knowledge bases.
+    { # A knowledge base represents a collection of knowledge documents that you provide to Dialogflow. Your knowledge documents contain information that may be useful during conversations with end-users. Some Dialogflow features use knowledge bases when looking for a response to an end-user input. For more information, see the [knowledge base guide](https://cloud.google.com/dialogflow/docs/how/knowledge-bases). Note: The `projects.agent.knowledgeBases` resource is deprecated; only use `projects.knowledgeBases`.
+      &quot;displayName&quot;: &quot;A String&quot;, # Required. The display name of the knowledge base. The name must be 1024 bytes or less; otherwise, the creation request fails.
+      &quot;languageCode&quot;: &quot;A String&quot;, # Language which represents the KnowledgeBase. When the KnowledgeBase is created/updated, expect this to be present for non en-us languages. When unspecified, the default language code en-us applies.
+      &quot;name&quot;: &quot;A String&quot;, # The knowledge base resource name. The name must be empty when creating a knowledge base. Format: `projects//locations//knowledgeBases/`.
+    },
+  ],
+  &quot;nextPageToken&quot;: &quot;A String&quot;, # Token to retrieve the next page of results, or empty if there are no more results in the list.
+}</pre>
+</div>
+
+<div class="method">
+    <code class="details" id="list_next">list_next(previous_request, previous_response)</code>
+  <pre>Retrieves the next page of results.
+
+Args:
+  previous_request: The request for the previous page. (required)
+  previous_response: The response from the request for the previous page. (required)
+
+Returns:
+  A request object that you can call &#x27;execute()&#x27; on to request the next
+  page. Returns None if there are no more items in the collection.
+    </pre>
+</div>
+
+<div class="method">
+    <code class="details" id="patch">patch(name, body=None, updateMask=None, x__xgafv=None)</code>
+  <pre>Updates the specified knowledge base.
+
+Args:
+  name: string, The knowledge base resource name. The name must be empty when creating a knowledge base. Format: `projects//locations//knowledgeBases/`. (required)
+  body: object, The request body.
+    The object takes the form of:
+
+{ # A knowledge base represents a collection of knowledge documents that you provide to Dialogflow. Your knowledge documents contain information that may be useful during conversations with end-users. Some Dialogflow features use knowledge bases when looking for a response to an end-user input. For more information, see the [knowledge base guide](https://cloud.google.com/dialogflow/docs/how/knowledge-bases). Note: The `projects.agent.knowledgeBases` resource is deprecated; only use `projects.knowledgeBases`.
+  &quot;displayName&quot;: &quot;A String&quot;, # Required. The display name of the knowledge base. The name must be 1024 bytes or less; otherwise, the creation request fails.
+  &quot;languageCode&quot;: &quot;A String&quot;, # Language which represents the KnowledgeBase. When the KnowledgeBase is created/updated, expect this to be present for non en-us languages. When unspecified, the default language code en-us applies.
+  &quot;name&quot;: &quot;A String&quot;, # The knowledge base resource name. The name must be empty when creating a knowledge base. Format: `projects//locations//knowledgeBases/`.
+}
+
+  updateMask: string, Optional. Not specified means `update all`. Currently, only `display_name` can be updated, an InvalidArgument will be returned for attempting to update other fields.
+  x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
+
+Returns:
+  An object of the form:
+
+    { # A knowledge base represents a collection of knowledge documents that you provide to Dialogflow. Your knowledge documents contain information that may be useful during conversations with end-users. Some Dialogflow features use knowledge bases when looking for a response to an end-user input. For more information, see the [knowledge base guide](https://cloud.google.com/dialogflow/docs/how/knowledge-bases). Note: The `projects.agent.knowledgeBases` resource is deprecated; only use `projects.knowledgeBases`.
+  &quot;displayName&quot;: &quot;A String&quot;, # Required. The display name of the knowledge base. The name must be 1024 bytes or less; otherwise, the creation request fails.
+  &quot;languageCode&quot;: &quot;A String&quot;, # Language which represents the KnowledgeBase. When the KnowledgeBase is created/updated, expect this to be present for non en-us languages. When unspecified, the default language code en-us applies.
+  &quot;name&quot;: &quot;A String&quot;, # The knowledge base resource name. The name must be empty when creating a knowledge base. Format: `projects//locations//knowledgeBases/`.
+}</pre>
+</div>
+
+</body></html>
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