docs: update generated docs (#981)

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+<h1><a href="displayvideo_v1.html">Display & Video 360 API</a> . <a href="displayvideo_v1.partners.html">partners</a> . <a href="displayvideo_v1.partners.channels.html">channels</a> . <a href="displayvideo_v1.partners.channels.sites.html">sites</a></h1>
+<h2>Instance Methods</h2>
+<p class="toc_element">
+  <code><a href="#bulkEdit">bulkEdit(partnerId, channelId, body=None, x__xgafv=None)</a></code></p>
+<p class="firstline">Bulk edits sites under a single channel. The operation will delete the sites provided in BulkEditSitesRequest.deleted_sites and then create the sites provided in BulkEditSitesRequest.created_sites.</p>
+<p class="toc_element">
+  <code><a href="#create">create(partnerId, channelId, body=None, advertiserId=None, x__xgafv=None)</a></code></p>
+<p class="firstline">Creates a site in a channel.</p>
+<p class="toc_element">
+  <code><a href="#delete">delete(partnerId, channelId, urlOrAppId, advertiserId=None, x__xgafv=None)</a></code></p>
+<p class="firstline">Deletes a site from a channel.</p>
+<p class="toc_element">
+  <code><a href="#list">list(partnerId, channelId, pageToken=None, orderBy=None, advertiserId=None, pageSize=None, filter=None, x__xgafv=None)</a></code></p>
+<p class="firstline">Lists sites in a channel.</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>
+<h3>Method Details</h3>
+<div class="method">
+    <code class="details" id="bulkEdit">bulkEdit(partnerId, channelId, body=None, x__xgafv=None)</code>
+  <pre>Bulk edits sites under a single channel. The operation will delete the sites provided in BulkEditSitesRequest.deleted_sites and then create the sites provided in BulkEditSitesRequest.created_sites.
+
+Args:
+  partnerId: string, The ID of the partner that owns the parent channel. (required)
+  channelId: string, Required. The ID of the parent channel to which the sites belong. (required)
+  body: object, The request body.
+    The object takes the form of:
+
+{ # Request message for SiteService.BulkEditSites.
+    &quot;deletedSites&quot;: [ # The sites to delete in batch, specified as a list of site url_or_app_ids.
+      &quot;A String&quot;,
+    ],
+    &quot;advertiserId&quot;: &quot;A String&quot;, # The ID of the advertiser that owns the parent channel.
+    &quot;partnerId&quot;: &quot;A String&quot;, # The ID of the partner that owns the parent channel.
+    &quot;createdSites&quot;: [ # The sites to create in batch, specified as a list of Sites.
+      { # A single site. Sites are apps or websites belonging to a channel.
+        &quot;urlOrAppId&quot;: &quot;A String&quot;, # Required. The URL or app ID of the site. Must be UTF-8 encoded with a maximum length of 240 bytes.
+        &quot;name&quot;: &quot;A String&quot;, # Output only. The resource name of the site.
+      },
+    ],
+  }
+
+  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 SiteService.BulkEditSites.
+    &quot;sites&quot;: [ # The list of sites that have been successfully created. This list will be absent if empty.
+      { # A single site. Sites are apps or websites belonging to a channel.
+        &quot;urlOrAppId&quot;: &quot;A String&quot;, # Required. The URL or app ID of the site. Must be UTF-8 encoded with a maximum length of 240 bytes.
+        &quot;name&quot;: &quot;A String&quot;, # Output only. The resource name of the site.
+      },
+    ],
+  }</pre>
+</div>
+
+<div class="method">
+    <code class="details" id="create">create(partnerId, channelId, body=None, advertiserId=None, x__xgafv=None)</code>
+  <pre>Creates a site in a channel.
+
+Args:
+  partnerId: string, The ID of the partner that owns the parent channel. (required)
+  channelId: string, Required. The ID of the parent channel in which the site will be created. (required)
+  body: object, The request body.
+    The object takes the form of:
+
+{ # A single site. Sites are apps or websites belonging to a channel.
+  &quot;urlOrAppId&quot;: &quot;A String&quot;, # Required. The URL or app ID of the site. Must be UTF-8 encoded with a maximum length of 240 bytes.
+  &quot;name&quot;: &quot;A String&quot;, # Output only. The resource name of the site.
+}
+
+  advertiserId: string, The ID of the advertiser that owns the parent channel.
+  x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
+
+Returns:
+  An object of the form:
+
+    { # A single site. Sites are apps or websites belonging to a channel.
+    &quot;urlOrAppId&quot;: &quot;A String&quot;, # Required. The URL or app ID of the site. Must be UTF-8 encoded with a maximum length of 240 bytes.
+    &quot;name&quot;: &quot;A String&quot;, # Output only. The resource name of the site.
+  }</pre>
+</div>
+
+<div class="method">
+    <code class="details" id="delete">delete(partnerId, channelId, urlOrAppId, advertiserId=None, x__xgafv=None)</code>
+  <pre>Deletes a site from a channel.
+
+Args:
+  partnerId: string, The ID of the partner that owns the parent channel. (required)
+  channelId: string, Required. The ID of the parent channel to which the site belongs. (required)
+  urlOrAppId: string, Required. The URL or app ID of the site to delete. (required)
+  advertiserId: string, The ID of the advertiser that owns the parent channel.
+  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="list">list(partnerId, channelId, pageToken=None, orderBy=None, advertiserId=None, pageSize=None, filter=None, x__xgafv=None)</code>
+  <pre>Lists sites in a channel.
+
+Args:
+  partnerId: string, The ID of the partner that owns the parent channel. (required)
+  channelId: string, Required. The ID of the parent channel to which the requested sites belong. (required)
+  pageToken: string, A token identifying a page of results the server should return. Typically, this is the value of next_page_token returned from the previous call to `ListSites` method. If not specified, the first page of results will be returned.
+  orderBy: string, Field by which to sort the list. Acceptable values are: * `urlOrAppId` (default) The default sorting order is ascending. To specify descending order for a field, a suffix &quot; desc&quot; should be added to the field name. Example: `urlOrAppId desc`.
+  advertiserId: string, The ID of the advertiser that owns the parent channel.
+  pageSize: integer, Requested page size. Must be between `1` and `100`. If unspecified will default to `100`. Returns error code `INVALID_ARGUMENT` if an invalid value is specified.
+  filter: string, Allows filtering by site fields. Supported syntax: * Filter expressions for site currently can only contain at most one * restriction. * A restriction has the form of `{field} {operator} {value}`. * The operator must be `CONTAINS (:)`. * Supported fields: - `urlOrAppId` Examples: * All sites for which the URL or app ID contains &quot;google&quot;: `urlOrAppId : &quot;google&quot;`
+  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 SiteService.ListSites.
+    &quot;sites&quot;: [ # The list of sites. This list will be absent if empty.
+      { # A single site. Sites are apps or websites belonging to a channel.
+        &quot;urlOrAppId&quot;: &quot;A String&quot;, # Required. The URL or app ID of the site. Must be UTF-8 encoded with a maximum length of 240 bytes.
+        &quot;name&quot;: &quot;A String&quot;, # Output only. The resource name of the site.
+      },
+    ],
+    &quot;nextPageToken&quot;: &quot;A String&quot;, # A token to retrieve the next page of results. Pass this value in the page_token field in the subsequent call to `ListSites` method to retrieve the next page of results.
+  }</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>
+
+</body></html>
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