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_v2beta1.projects.knowledgeBases.documents.html b/docs/dyn/dialogflow_v2beta1.projects.knowledgeBases.documents.html
index e974adc..75f0835 100644
--- a/docs/dyn/dialogflow_v2beta1.projects.knowledgeBases.documents.html
+++ b/docs/dyn/dialogflow_v2beta1.projects.knowledgeBases.documents.html
@@ -87,6 +87,9 @@
   <code><a href="#get">get(name, x__xgafv=None)</a></code></p>
 <p class="firstline">Retrieves the specified document. Note: The `projects.agent.knowledgeBases.documents` resource is deprecated; only use `projects.knowledgeBases.documents`.</p>
 <p class="toc_element">
+  <code><a href="#import_">import_(parent, body=None, x__xgafv=None)</a></code></p>
+<p class="firstline">Create documents by importing data from external sources.</p>
+<p class="toc_element">
   <code><a href="#list">list(parent, filter=None, pageSize=None, pageToken=None, x__xgafv=None)</a></code></p>
 <p class="firstline">Returns the list of all documents of the knowledge base. Note: The `projects.agent.knowledgeBases.documents` resource is deprecated; only use `projects.knowledgeBases.documents`.</p>
 <p class="toc_element">
@@ -133,6 +136,9 @@
     },
     &quot;time&quot;: &quot;A String&quot;, # Output only. The time of a reload attempt. This reload may have been triggered automatically or manually and may not have succeeded.
   },
+  &quot;metadata&quot;: { # Optional. Metadata for the document. The metadata supports arbitrary key-value pairs. Suggested use cases include storing a document&#x27;s title, an external URL distinct from the document&#x27;s content_uri, etc. The max size of a `key` or a `value` of the metadata is 1024 bytes.
+    &quot;a_key&quot;: &quot;A String&quot;,
+  },
   &quot;mimeType&quot;: &quot;A String&quot;, # Required. The MIME type of this document.
   &quot;name&quot;: &quot;A String&quot;, # Optional. The document resource name. The name must be empty when creating a document. Format: `projects//locations//knowledgeBases//documents/`.
   &quot;rawContent&quot;: &quot;A String&quot;, # The raw content of the document. This field is only permitted for EXTRACTIVE_QA and FAQ knowledge types.
@@ -237,6 +243,9 @@
     },
     &quot;time&quot;: &quot;A String&quot;, # Output only. The time of a reload attempt. This reload may have been triggered automatically or manually and may not have succeeded.
   },
+  &quot;metadata&quot;: { # Optional. Metadata for the document. The metadata supports arbitrary key-value pairs. Suggested use cases include storing a document&#x27;s title, an external URL distinct from the document&#x27;s content_uri, etc. The max size of a `key` or a `value` of the metadata is 1024 bytes.
+    &quot;a_key&quot;: &quot;A String&quot;,
+  },
   &quot;mimeType&quot;: &quot;A String&quot;, # Required. The MIME type of this document.
   &quot;name&quot;: &quot;A String&quot;, # Optional. The document resource name. The name must be empty when creating a document. Format: `projects//locations//knowledgeBases//documents/`.
   &quot;rawContent&quot;: &quot;A String&quot;, # The raw content of the document. This field is only permitted for EXTRACTIVE_QA and FAQ knowledge types.
@@ -244,6 +253,62 @@
 </div>
 
 <div class="method">
+    <code class="details" id="import_">import_(parent, body=None, x__xgafv=None)</code>
+  <pre>Create documents by importing data from external sources.
+
+Args:
+  parent: string, Required. The knowledge base to import documents into. Format: `projects//locations//knowledgeBases/`. (required)
+  body: object, The request body.
+    The object takes the form of:
+
+{ # Request message for Documents.ImportDocuments.
+  &quot;documentTemplate&quot;: { # The template used for importing documents. # Required. Document template used for importing all the documents.
+    &quot;knowledgeTypes&quot;: [ # Required. The knowledge type of document content.
+      &quot;A String&quot;,
+    ],
+    &quot;metadata&quot;: { # Metadata for the document. The metadata supports arbitrary key-value pairs. Suggested use cases include storing a document&#x27;s title, an external URL distinct from the document&#x27;s content_uri, etc. The max size of a `key` or a `value` of the metadata is 1024 bytes.
+      &quot;a_key&quot;: &quot;A String&quot;,
+    },
+    &quot;mimeType&quot;: &quot;A String&quot;, # Required. The MIME type of the document.
+  },
+  &quot;gcsSource&quot;: { # Google Cloud Storage locations for the inputs. # The Google Cloud Storage location for the documents. The path can include a wildcard. These URIs may have the forms `gs:///`. `gs:////*.`.
+    &quot;uris&quot;: [ # Required. Google Cloud Storage URIs for the inputs. A URI is of the form: gs://bucket/object-prefix-or-name Whether a prefix or name is used depends on the use case.
+      &quot;A String&quot;,
+    ],
+  },
+  &quot;importGcsCustomMetadata&quot;: True or False, # Whether to import custom metadata from Google Cloud Storage. Only valid when the document source is Google Cloud Storage URI.
+}
+
+  x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
+
+Returns:
+  An object of the form:
+
+    { # This resource represents a long-running operation that is the result of a network API call.
+  &quot;done&quot;: True or False, # If the value is `false`, it means the operation is still in progress. If `true`, the operation is completed, and either `error` or `response` is available.
+  &quot;error&quot;: { # The `Status` type defines a logical error model that is suitable for different programming environments, including REST APIs and RPC APIs. It is used by [gRPC](https://github.com/grpc). Each `Status` message contains three pieces of data: error code, error message, and error details. You can find out more about this error model and how to work with it in the [API Design Guide](https://cloud.google.com/apis/design/errors). # The error result of the operation in case of failure or cancellation.
+    &quot;code&quot;: 42, # The status code, which should be an enum value of google.rpc.Code.
+    &quot;details&quot;: [ # A list of messages that carry the error details. There is a common set of message types for APIs to use.
+      {
+        &quot;a_key&quot;: &quot;&quot;, # Properties of the object. Contains field @type with type URL.
+      },
+    ],
+    &quot;message&quot;: &quot;A String&quot;, # A developer-facing error message, which should be in English. Any user-facing error message should be localized and sent in the google.rpc.Status.details field, or localized by the client.
+  },
+  &quot;metadata&quot;: { # Service-specific metadata associated with the operation. It typically contains progress information and common metadata such as create time. Some services might not provide such metadata. Any method that returns a long-running operation should document the metadata type, if any.
+    &quot;a_key&quot;: &quot;&quot;, # Properties of the object. Contains field @type with type URL.
+  },
+  &quot;name&quot;: &quot;A String&quot;, # The server-assigned name, which is only unique within the same service that originally returns it. If you use the default HTTP mapping, the `name` should be a resource name ending with `operations/{unique_id}`.
+  &quot;response&quot;: { # The normal response of the operation in case of success. If the original method returns no data on success, such as `Delete`, the response is `google.protobuf.Empty`. If the original method is standard `Get`/`Create`/`Update`, the response should be the resource. For other methods, the response should have the type `XxxResponse`, where `Xxx` is the original method name. For example, if the original method name is `TakeSnapshot()`, the inferred response type is `TakeSnapshotResponse`.
+    &quot;a_key&quot;: &quot;&quot;, # Properties of the object. Contains field @type with type URL.
+  },
+}</pre>
+</div>
+
+<div class="method">
     <code class="details" id="list">list(parent, filter=None, pageSize=None, pageToken=None, x__xgafv=None)</code>
   <pre>Returns the list of all documents of the knowledge base. Note: The `projects.agent.knowledgeBases.documents` resource is deprecated; only use `projects.knowledgeBases.documents`.
 
@@ -282,6 +347,9 @@
         },
         &quot;time&quot;: &quot;A String&quot;, # Output only. The time of a reload attempt. This reload may have been triggered automatically or manually and may not have succeeded.
       },
+      &quot;metadata&quot;: { # Optional. Metadata for the document. The metadata supports arbitrary key-value pairs. Suggested use cases include storing a document&#x27;s title, an external URL distinct from the document&#x27;s content_uri, etc. The max size of a `key` or a `value` of the metadata is 1024 bytes.
+        &quot;a_key&quot;: &quot;A String&quot;,
+      },
       &quot;mimeType&quot;: &quot;A String&quot;, # Required. The MIME type of this document.
       &quot;name&quot;: &quot;A String&quot;, # Optional. The document resource name. The name must be empty when creating a document. Format: `projects//locations//knowledgeBases//documents/`.
       &quot;rawContent&quot;: &quot;A String&quot;, # The raw content of the document. This field is only permitted for EXTRACTIVE_QA and FAQ knowledge types.
@@ -334,6 +402,9 @@
     },
     &quot;time&quot;: &quot;A String&quot;, # Output only. The time of a reload attempt. This reload may have been triggered automatically or manually and may not have succeeded.
   },
+  &quot;metadata&quot;: { # Optional. Metadata for the document. The metadata supports arbitrary key-value pairs. Suggested use cases include storing a document&#x27;s title, an external URL distinct from the document&#x27;s content_uri, etc. The max size of a `key` or a `value` of the metadata is 1024 bytes.
+    &quot;a_key&quot;: &quot;A String&quot;,
+  },
   &quot;mimeType&quot;: &quot;A String&quot;, # Required. The MIME type of this document.
   &quot;name&quot;: &quot;A String&quot;, # Optional. The document resource name. The name must be empty when creating a document. Format: `projects//locations//knowledgeBases//documents/`.
   &quot;rawContent&quot;: &quot;A String&quot;, # The raw content of the document. This field is only permitted for EXTRACTIVE_QA and FAQ knowledge types.