docs: update generated docs (#1053)

Updates for both discovery docs and epydoc API Documentation

Fixes: #1049
diff --git a/docs/dyn/datafusion_v1beta1.projects.locations.versions.html b/docs/dyn/datafusion_v1beta1.projects.locations.versions.html
index 8fb8cf5..586d8b0 100644
--- a/docs/dyn/datafusion_v1beta1.projects.locations.versions.html
+++ b/docs/dyn/datafusion_v1beta1.projects.locations.versions.html
@@ -75,26 +75,29 @@
 <h1><a href="datafusion_v1beta1.html">Cloud Data Fusion API</a> . <a href="datafusion_v1beta1.projects.html">projects</a> . <a href="datafusion_v1beta1.projects.locations.html">locations</a> . <a href="datafusion_v1beta1.projects.locations.versions.html">versions</a></h1>
 <h2>Instance Methods</h2>
 <p class="toc_element">
-  <code><a href="#list">list(parent, pageToken=None, latestPatchOnly=None, pageSize=None, x__xgafv=None)</a></code></p>
-<p class="firstline">Lists possible versions for Data Fusion instances in the specified project</p>
+  <code><a href="#close">close()</a></code></p>
+<p class="firstline">Close httplib2 connections.</p>
+<p class="toc_element">
+  <code><a href="#list">list(parent, pageSize=None, pageToken=None, latestPatchOnly=None, x__xgafv=None)</a></code></p>
+<p class="firstline">Lists possible versions for Data Fusion instances in the specified project and location.</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="list">list(parent, pageToken=None, latestPatchOnly=None, pageSize=None, x__xgafv=None)</code>
-  <pre>Lists possible versions for Data Fusion instances in the specified project
-and location.
+    <code class="details" id="close">close()</code>
+  <pre>Close httplib2 connections.</pre>
+</div>
+
+<div class="method">
+    <code class="details" id="list">list(parent, pageSize=None, pageToken=None, latestPatchOnly=None, x__xgafv=None)</code>
+  <pre>Lists possible versions for Data Fusion instances in the specified project and location.
 
 Args:
-  parent: string, Required. The project and location for which to retrieve instance information
-in the format projects/{project}/locations/{location}. (required)
-  pageToken: string, The next_page_token value to use if there are additional
-results to retrieve for this list request.
-  latestPatchOnly: boolean, Whether or not to return the latest patch of every available minor version.
-If true, only the latest patch will be returned. Ex. if allowed versions is
-[6.1.1, 6.1.2, 6.2.0] then response will be [6.1.2, 6.2.0]
+  parent: string, Required. The project and location for which to retrieve instance information in the format projects/{project}/locations/{location}. (required)
   pageSize: integer, The maximum number of items to return.
+  pageToken: string, The next_page_token value to use if there are additional results to retrieve for this list request.
+  latestPatchOnly: boolean, Whether or not to return the latest patch of every available minor version. If true, only the latest patch will be returned. Ex. if allowed versions is [6.1.1, 6.1.2, 6.2.0] then response will be [6.1.2, 6.2.0]
   x__xgafv: string, V1 error format.
     Allowed values
       1 - v1 error format
@@ -104,12 +107,14 @@
   An object of the form:
 
     { # Response message for the list available versions request.
-    &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.
+    &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.
     &quot;availableVersions&quot;: [ # Represents a list of versions that are supported.
       { # The Data Fusion version.
         &quot;defaultVersion&quot;: True or False, # Whether this is currently the default version for Cloud Data Fusion
         &quot;versionNumber&quot;: &quot;A String&quot;, # The version number of the Data Fusion instance, such as &#x27;6.0.1.0&#x27;.
+        &quot;availableFeatures&quot;: [ # Represents a list of available feature names for a given version.
+          &quot;A String&quot;,
+        ],
       },
     ],
   }</pre>