chore: regens API reference docs (#889)

diff --git a/docs/dyn/calendar_v3.acl.html b/docs/dyn/calendar_v3.acl.html
index c9d1c3f..3cae543 100644
--- a/docs/dyn/calendar_v3.acl.html
+++ b/docs/dyn/calendar_v3.acl.html
@@ -81,7 +81,7 @@
   <code><a href="#get">get(calendarId, ruleId)</a></code></p>
 <p class="firstline">Returns an access control rule.</p>
 <p class="toc_element">
-  <code><a href="#insert">insert(calendarId, body, sendNotifications=None)</a></code></p>
+  <code><a href="#insert">insert(calendarId, body=None, sendNotifications=None)</a></code></p>
 <p class="firstline">Creates an access control rule.</p>
 <p class="toc_element">
   <code><a href="#list">list(calendarId, syncToken=None, pageToken=None, maxResults=None, showDeleted=None)</a></code></p>
@@ -90,13 +90,13 @@
   <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(calendarId, ruleId, body, sendNotifications=None)</a></code></p>
+  <code><a href="#patch">patch(calendarId, ruleId, body=None, sendNotifications=None)</a></code></p>
 <p class="firstline">Updates an access control rule. This method supports patch semantics.</p>
 <p class="toc_element">
-  <code><a href="#update">update(calendarId, ruleId, body, sendNotifications=None)</a></code></p>
+  <code><a href="#update">update(calendarId, ruleId, body=None, sendNotifications=None)</a></code></p>
 <p class="firstline">Updates an access control rule.</p>
 <p class="toc_element">
-  <code><a href="#watch">watch(calendarId, body, syncToken=None, pageToken=None, maxResults=None, showDeleted=None)</a></code></p>
+  <code><a href="#watch">watch(calendarId, body=None, syncToken=None, pageToken=None, maxResults=None, showDeleted=None)</a></code></p>
 <p class="firstline">Watch for changes to ACL resources.</p>
 <h3>Method Details</h3>
 <div class="method">
@@ -142,12 +142,12 @@
 </div>
 
 <div class="method">
-    <code class="details" id="insert">insert(calendarId, body, sendNotifications=None)</code>
+    <code class="details" id="insert">insert(calendarId, body=None, sendNotifications=None)</code>
   <pre>Creates an access control rule.
 
 Args:
   calendarId: string, Calendar identifier. To retrieve calendar IDs call the calendarList.list method. If you want to access the primary calendar of the currently logged in user, use the "primary" keyword. (required)
-  body: object, The request body. (required)
+  body: object, The request body.
     The object takes the form of:
 
 {
@@ -257,13 +257,13 @@
 </div>
 
 <div class="method">
-    <code class="details" id="patch">patch(calendarId, ruleId, body, sendNotifications=None)</code>
+    <code class="details" id="patch">patch(calendarId, ruleId, body=None, sendNotifications=None)</code>
   <pre>Updates an access control rule. This method supports patch semantics.
 
 Args:
   calendarId: string, Calendar identifier. To retrieve calendar IDs call the calendarList.list method. If you want to access the primary calendar of the currently logged in user, use the "primary" keyword. (required)
   ruleId: string, ACL rule identifier. (required)
-  body: object, The request body. (required)
+  body: object, The request body.
     The object takes the form of:
 
 {
@@ -313,13 +313,13 @@
 </div>
 
 <div class="method">
-    <code class="details" id="update">update(calendarId, ruleId, body, sendNotifications=None)</code>
+    <code class="details" id="update">update(calendarId, ruleId, body=None, sendNotifications=None)</code>
   <pre>Updates an access control rule.
 
 Args:
   calendarId: string, Calendar identifier. To retrieve calendar IDs call the calendarList.list method. If you want to access the primary calendar of the currently logged in user, use the "primary" keyword. (required)
   ruleId: string, ACL rule identifier. (required)
-  body: object, The request body. (required)
+  body: object, The request body.
     The object takes the form of:
 
 {
@@ -369,17 +369,17 @@
 </div>
 
 <div class="method">
-    <code class="details" id="watch">watch(calendarId, body, syncToken=None, pageToken=None, maxResults=None, showDeleted=None)</code>
+    <code class="details" id="watch">watch(calendarId, body=None, syncToken=None, pageToken=None, maxResults=None, showDeleted=None)</code>
   <pre>Watch for changes to ACL resources.
 
 Args:
   calendarId: string, Calendar identifier. To retrieve calendar IDs call the calendarList.list method. If you want to access the primary calendar of the currently logged in user, use the "primary" keyword. (required)
-  body: object, The request body. (required)
+  body: object, The request body.
     The object takes the form of:
 
 {
     "resourceUri": "A String", # A version-specific identifier for the watched resource.
-    "kind": "api#channel", # Identifies this as a notification channel used to watch for changes to a resource. Value: the fixed string "api#channel".
+    "kind": "api#channel", # Identifies this as a notification channel used to watch for changes to a resource, which is "api#channel".
     "resourceId": "A String", # An opaque ID that identifies the resource being watched on this channel. Stable across different API versions.
     "payload": True or False, # A Boolean value to indicate whether payload is wanted. Optional.
     "token": "A String", # An arbitrary string delivered to the target address with each notification delivered over this channel. Optional.
@@ -405,7 +405,7 @@
 
     {
       "resourceUri": "A String", # A version-specific identifier for the watched resource.
-      "kind": "api#channel", # Identifies this as a notification channel used to watch for changes to a resource. Value: the fixed string "api#channel".
+      "kind": "api#channel", # Identifies this as a notification channel used to watch for changes to a resource, which is "api#channel".
       "resourceId": "A String", # An opaque ID that identifies the resource being watched on this channel. Stable across different API versions.
       "payload": True or False, # A Boolean value to indicate whether payload is wanted. Optional.
       "token": "A String", # An arbitrary string delivered to the target address with each notification delivered over this channel. Optional.