Update docs for 1.4.2 release
diff --git a/docs/dyn/gmail_v1.users.drafts.html b/docs/dyn/gmail_v1.users.drafts.html
index 52f481b..2c5fdc5 100644
--- a/docs/dyn/gmail_v1.users.drafts.html
+++ b/docs/dyn/gmail_v1.users.drafts.html
@@ -107,6 +107,7 @@
 
 { # A draft email in the user's mailbox.
   "message": { # An email message. # The message content of the draft.
+    "internalDate": "A String", # The internal message creation timestamp (epoch ms), which determines ordering in the inbox. For normal SMTP-received email, this represents the time the message was originally accepted by Google, which is more reliable than the Date header. However, for API-migrated mail, it can be configured by client to be based on the Date header.
     "historyId": "A String", # The ID of the last history record that modified this message.
     "payload": { # A single MIME message part. # The parsed email structure in the message parts.
       "body": { # The body of a single MIME message part. # The message part body for this part, which may be empty for container MIME message parts.
@@ -149,6 +150,7 @@
 
     { # A draft email in the user's mailbox.
     "message": { # An email message. # The message content of the draft.
+      "internalDate": "A String", # The internal message creation timestamp (epoch ms), which determines ordering in the inbox. For normal SMTP-received email, this represents the time the message was originally accepted by Google, which is more reliable than the Date header. However, for API-migrated mail, it can be configured by client to be based on the Date header.
       "historyId": "A String", # The ID of the last history record that modified this message.
       "payload": { # A single MIME message part. # The parsed email structure in the message parts.
         "body": { # The body of a single MIME message part. # The message part body for this part, which may be empty for container MIME message parts.
@@ -214,6 +216,7 @@
 
     { # A draft email in the user's mailbox.
     "message": { # An email message. # The message content of the draft.
+      "internalDate": "A String", # The internal message creation timestamp (epoch ms), which determines ordering in the inbox. For normal SMTP-received email, this represents the time the message was originally accepted by Google, which is more reliable than the Date header. However, for API-migrated mail, it can be configured by client to be based on the Date header.
       "historyId": "A String", # The ID of the last history record that modified this message.
       "payload": { # A single MIME message part. # The parsed email structure in the message parts.
         "body": { # The body of a single MIME message part. # The message part body for this part, which may be empty for container MIME message parts.
@@ -268,6 +271,7 @@
     "drafts": [ # List of drafts.
       { # A draft email in the user's mailbox.
         "message": { # An email message. # The message content of the draft.
+          "internalDate": "A String", # The internal message creation timestamp (epoch ms), which determines ordering in the inbox. For normal SMTP-received email, this represents the time the message was originally accepted by Google, which is more reliable than the Date header. However, for API-migrated mail, it can be configured by client to be based on the Date header.
           "historyId": "A String", # The ID of the last history record that modified this message.
           "payload": { # A single MIME message part. # The parsed email structure in the message parts.
             "body": { # The body of a single MIME message part. # The message part body for this part, which may be empty for container MIME message parts.
@@ -331,6 +335,7 @@
 
 { # A draft email in the user's mailbox.
   "message": { # An email message. # The message content of the draft.
+    "internalDate": "A String", # The internal message creation timestamp (epoch ms), which determines ordering in the inbox. For normal SMTP-received email, this represents the time the message was originally accepted by Google, which is more reliable than the Date header. However, for API-migrated mail, it can be configured by client to be based on the Date header.
     "historyId": "A String", # The ID of the last history record that modified this message.
     "payload": { # A single MIME message part. # The parsed email structure in the message parts.
       "body": { # The body of a single MIME message part. # The message part body for this part, which may be empty for container MIME message parts.
@@ -372,6 +377,7 @@
   An object of the form:
 
     { # An email message.
+    "internalDate": "A String", # The internal message creation timestamp (epoch ms), which determines ordering in the inbox. For normal SMTP-received email, this represents the time the message was originally accepted by Google, which is more reliable than the Date header. However, for API-migrated mail, it can be configured by client to be based on the Date header.
     "historyId": "A String", # The ID of the last history record that modified this message.
     "payload": { # A single MIME message part. # The parsed email structure in the message parts.
       "body": { # The body of a single MIME message part. # The message part body for this part, which may be empty for container MIME message parts.
@@ -418,6 +424,7 @@
 
 { # A draft email in the user's mailbox.
   "message": { # An email message. # The message content of the draft.
+    "internalDate": "A String", # The internal message creation timestamp (epoch ms), which determines ordering in the inbox. For normal SMTP-received email, this represents the time the message was originally accepted by Google, which is more reliable than the Date header. However, for API-migrated mail, it can be configured by client to be based on the Date header.
     "historyId": "A String", # The ID of the last history record that modified this message.
     "payload": { # A single MIME message part. # The parsed email structure in the message parts.
       "body": { # The body of a single MIME message part. # The message part body for this part, which may be empty for container MIME message parts.
@@ -460,6 +467,7 @@
 
     { # A draft email in the user's mailbox.
     "message": { # An email message. # The message content of the draft.
+      "internalDate": "A String", # The internal message creation timestamp (epoch ms), which determines ordering in the inbox. For normal SMTP-received email, this represents the time the message was originally accepted by Google, which is more reliable than the Date header. However, for API-migrated mail, it can be configured by client to be based on the Date header.
       "historyId": "A String", # The ID of the last history record that modified this message.
       "payload": { # A single MIME message part. # The parsed email structure in the message parts.
         "body": { # The body of a single MIME message part. # The message part body for this part, which may be empty for container MIME message parts.