chore: regens API reference docs (#889)

diff --git a/docs/dyn/drive_v2.replies.html b/docs/dyn/drive_v2.replies.html
index d820dda..ba01d06 100644
--- a/docs/dyn/drive_v2.replies.html
+++ b/docs/dyn/drive_v2.replies.html
@@ -81,7 +81,7 @@
   <code><a href="#get">get(fileId, commentId, replyId, includeDeleted=None)</a></code></p>
 <p class="firstline">Gets a reply.</p>
 <p class="toc_element">
-  <code><a href="#insert">insert(fileId, commentId, body)</a></code></p>
+  <code><a href="#insert">insert(fileId, commentId, body=None)</a></code></p>
 <p class="firstline">Creates a new reply to the given comment.</p>
 <p class="toc_element">
   <code><a href="#list">list(fileId, commentId, includeDeleted=None, pageToken=None, maxResults=None)</a></code></p>
@@ -90,10 +90,10 @@
   <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(fileId, commentId, replyId, body)</a></code></p>
-<p class="firstline">Updates an existing reply. This method supports patch semantics.</p>
+  <code><a href="#patch">patch(fileId, commentId, replyId, body=None)</a></code></p>
+<p class="firstline">Updates an existing reply.</p>
 <p class="toc_element">
-  <code><a href="#update">update(fileId, commentId, replyId, body)</a></code></p>
+  <code><a href="#update">update(fileId, commentId, replyId, body=None)</a></code></p>
 <p class="firstline">Updates an existing reply.</p>
 <h3>Method Details</h3>
 <div class="method">
@@ -122,7 +122,7 @@
 
     { # A comment on a file in Google Drive.
     "kind": "drive#commentReply", # This is always drive#commentReply.
-    "author": { # Information about a Drive user. # The user who wrote this reply.
+    "author": { # Information about a Drive user. # The author of the reply. The author's email address and permission ID will not be populated.
       "picture": { # The user's profile picture.
         "url": "A String", # A URL that points to a profile picture of this user.
       },
@@ -145,18 +145,18 @@
 </div>
 
 <div class="method">
-    <code class="details" id="insert">insert(fileId, commentId, body)</code>
+    <code class="details" id="insert">insert(fileId, commentId, body=None)</code>
   <pre>Creates a new reply to the given comment.
 
 Args:
   fileId: string, The ID of the file. (required)
   commentId: string, The ID of the comment. (required)
-  body: object, The request body. (required)
+  body: object, The request body.
     The object takes the form of:
 
 { # A comment on a file in Google Drive.
   "kind": "drive#commentReply", # This is always drive#commentReply.
-  "author": { # Information about a Drive user. # The user who wrote this reply.
+  "author": { # Information about a Drive user. # The author of the reply. The author's email address and permission ID will not be populated.
     "picture": { # The user's profile picture.
       "url": "A String", # A URL that points to a profile picture of this user.
     },
@@ -183,7 +183,7 @@
 
     { # A comment on a file in Google Drive.
     "kind": "drive#commentReply", # This is always drive#commentReply.
-    "author": { # Information about a Drive user. # The user who wrote this reply.
+    "author": { # Information about a Drive user. # The author of the reply. The author's email address and permission ID will not be populated.
       "picture": { # The user's profile picture.
         "url": "A String", # A URL that points to a profile picture of this user.
       },
@@ -224,7 +224,7 @@
     "items": [ # The list of replies. If nextPageToken is populated, then this list may be incomplete and an additional page of results should be fetched.
       { # A comment on a file in Google Drive.
         "kind": "drive#commentReply", # This is always drive#commentReply.
-        "author": { # Information about a Drive user. # The user who wrote this reply.
+        "author": { # Information about a Drive user. # The author of the reply. The author's email address and permission ID will not be populated.
           "picture": { # The user's profile picture.
             "url": "A String", # A URL that points to a profile picture of this user.
           },
@@ -266,19 +266,19 @@
 </div>
 
 <div class="method">
-    <code class="details" id="patch">patch(fileId, commentId, replyId, body)</code>
-  <pre>Updates an existing reply. This method supports patch semantics.
+    <code class="details" id="patch">patch(fileId, commentId, replyId, body=None)</code>
+  <pre>Updates an existing reply.
 
 Args:
   fileId: string, The ID of the file. (required)
   commentId: string, The ID of the comment. (required)
   replyId: string, The ID of the reply. (required)
-  body: object, The request body. (required)
+  body: object, The request body.
     The object takes the form of:
 
 { # A comment on a file in Google Drive.
   "kind": "drive#commentReply", # This is always drive#commentReply.
-  "author": { # Information about a Drive user. # The user who wrote this reply.
+  "author": { # Information about a Drive user. # The author of the reply. The author's email address and permission ID will not be populated.
     "picture": { # The user's profile picture.
       "url": "A String", # A URL that points to a profile picture of this user.
     },
@@ -305,7 +305,7 @@
 
     { # A comment on a file in Google Drive.
     "kind": "drive#commentReply", # This is always drive#commentReply.
-    "author": { # Information about a Drive user. # The user who wrote this reply.
+    "author": { # Information about a Drive user. # The author of the reply. The author's email address and permission ID will not be populated.
       "picture": { # The user's profile picture.
         "url": "A String", # A URL that points to a profile picture of this user.
       },
@@ -328,19 +328,19 @@
 </div>
 
 <div class="method">
-    <code class="details" id="update">update(fileId, commentId, replyId, body)</code>
+    <code class="details" id="update">update(fileId, commentId, replyId, body=None)</code>
   <pre>Updates an existing reply.
 
 Args:
   fileId: string, The ID of the file. (required)
   commentId: string, The ID of the comment. (required)
   replyId: string, The ID of the reply. (required)
-  body: object, The request body. (required)
+  body: object, The request body.
     The object takes the form of:
 
 { # A comment on a file in Google Drive.
   "kind": "drive#commentReply", # This is always drive#commentReply.
-  "author": { # Information about a Drive user. # The user who wrote this reply.
+  "author": { # Information about a Drive user. # The author of the reply. The author's email address and permission ID will not be populated.
     "picture": { # The user's profile picture.
       "url": "A String", # A URL that points to a profile picture of this user.
     },
@@ -367,7 +367,7 @@
 
     { # A comment on a file in Google Drive.
     "kind": "drive#commentReply", # This is always drive#commentReply.
-    "author": { # Information about a Drive user. # The user who wrote this reply.
+    "author": { # Information about a Drive user. # The author of the reply. The author's email address and permission ID will not be populated.
       "picture": { # The user's profile picture.
         "url": "A String", # A URL that points to a profile picture of this user.
       },