chore: regens API reference docs (#889)

diff --git a/docs/dyn/cloudsearch_v1.stats.html b/docs/dyn/cloudsearch_v1.stats.html
index 7df01b2..5891b81 100644
--- a/docs/dyn/cloudsearch_v1.stats.html
+++ b/docs/dyn/cloudsearch_v1.stats.html
@@ -80,8 +80,32 @@
 <p class="firstline">Returns the index Resource.</p>
 
 <p class="toc_element">
+  <code><a href="cloudsearch_v1.stats.query.html">query()</a></code>
+</p>
+<p class="firstline">Returns the query Resource.</p>
+
+<p class="toc_element">
+  <code><a href="cloudsearch_v1.stats.session.html">session()</a></code>
+</p>
+<p class="firstline">Returns the session Resource.</p>
+
+<p class="toc_element">
+  <code><a href="cloudsearch_v1.stats.user.html">user()</a></code>
+</p>
+<p class="firstline">Returns the user Resource.</p>
+
+<p class="toc_element">
   <code><a href="#getIndex">getIndex(toDate_year=None, fromDate_month=None, fromDate_year=None, toDate_month=None, x__xgafv=None, toDate_day=None, fromDate_day=None)</a></code></p>
 <p class="firstline">Gets indexed item statistics aggreggated across all data sources. This</p>
+<p class="toc_element">
+  <code><a href="#getQuery">getQuery(toDate_year=None, fromDate_month=None, fromDate_year=None, toDate_month=None, x__xgafv=None, toDate_day=None, fromDate_day=None)</a></code></p>
+<p class="firstline">Get the query statistics for customer.</p>
+<p class="toc_element">
+  <code><a href="#getSession">getSession(toDate_year=None, fromDate_month=None, fromDate_year=None, toDate_month=None, x__xgafv=None, toDate_day=None, fromDate_day=None)</a></code></p>
+<p class="firstline">Get the # of search sessions, % of successful sessions with a click query</p>
+<p class="toc_element">
+  <code><a href="#getUser">getUser(toDate_year=None, fromDate_month=None, fromDate_year=None, toDate_month=None, x__xgafv=None, toDate_day=None, fromDate_day=None)</a></code></p>
+<p class="firstline">Get the users statistics for customer.</p>
 <h3>Method Details</h3>
 <div class="method">
     <code class="details" id="getIndex">getIndex(toDate_year=None, fromDate_month=None, fromDate_year=None, toDate_month=None, x__xgafv=None, toDate_day=None, fromDate_day=None)</code>
@@ -89,6 +113,8 @@
 API only returns statistics for previous dates; it doesn't return
 statistics for the current day.
 
+**Note:** This API requires a standard end user account to execute.
+
 Args:
   toDate_year: integer, Year of date. Must be from 1 to 9999.
   fromDate_month: integer, Month of date. Must be from 1 to 12.
@@ -108,9 +134,9 @@
     "stats": [ # Summary of indexed item counts, one for each day in the requested range.
       { # Aggregation of items by status code as of the specified date.
         "date": { # Represents a whole calendar date, for example a date of birth. The time of day and time zone are either specified elsewhere or are not significant. The date is relative to the [Proleptic Gregorian Calendar](https://en.wikipedia.org/wiki/Proleptic_Gregorian_calendar). The date must be a valid calendar date between the year 1 and 9999. # Date for which statistics were calculated.
-          "month": 42, # Month of date. Must be from 1 to 12.
-          "day": 42, # Day of month. Must be from 1 to 31 and valid for the year and month.
           "year": 42, # Year of date. Must be from 1 to 9999.
+          "day": 42, # Day of month. Must be from 1 to 31 and valid for the year and month.
+          "month": 42, # Month of date. Must be from 1 to 12.
         },
         "itemCountByStatus": [ # Number of items aggregrated by status code.
           {
@@ -123,4 +149,120 @@
   }</pre>
 </div>
 
+<div class="method">
+    <code class="details" id="getQuery">getQuery(toDate_year=None, fromDate_month=None, fromDate_year=None, toDate_month=None, x__xgafv=None, toDate_day=None, fromDate_day=None)</code>
+  <pre>Get the query statistics for customer.
+
+**Note:** This API requires a standard end user account to execute.
+
+Args:
+  toDate_year: integer, Year of date. Must be from 1 to 9999.
+  fromDate_month: integer, Month of date. Must be from 1 to 12.
+  fromDate_year: integer, Year of date. Must be from 1 to 9999.
+  toDate_month: integer, Month of date. Must be from 1 to 12.
+  x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
+  toDate_day: integer, Day of month. Must be from 1 to 31 and valid for the year and month.
+  fromDate_day: integer, Day of month. Must be from 1 to 31 and valid for the year and month.
+
+Returns:
+  An object of the form:
+
+    {
+    "stats": [
+      {
+        "date": { # Represents a whole calendar date, for example a date of birth. The time of day and time zone are either specified elsewhere or are not significant. The date is relative to the [Proleptic Gregorian Calendar](https://en.wikipedia.org/wiki/Proleptic_Gregorian_calendar). The date must be a valid calendar date between the year 1 and 9999. # Date for which query stats were calculated. Stats calculated on the next
+            # day close to midnight are returned.
+          "year": 42, # Year of date. Must be from 1 to 9999.
+          "day": 42, # Day of month. Must be from 1 to 31 and valid for the year and month.
+          "month": 42, # Month of date. Must be from 1 to 12.
+        },
+        "queryCountByStatus": [
+          {
+            "count": "A String",
+            "statusCode": 42, # This represents the http status code.
+          },
+        ],
+      },
+    ],
+  }</pre>
+</div>
+
+<div class="method">
+    <code class="details" id="getSession">getSession(toDate_year=None, fromDate_month=None, fromDate_year=None, toDate_month=None, x__xgafv=None, toDate_day=None, fromDate_day=None)</code>
+  <pre>Get the # of search sessions, % of successful sessions with a click query
+statistics for customer.
+
+**Note:** This API requires a standard end user account to execute.
+
+Args:
+  toDate_year: integer, Year of date. Must be from 1 to 9999.
+  fromDate_month: integer, Month of date. Must be from 1 to 12.
+  fromDate_year: integer, Year of date. Must be from 1 to 9999.
+  toDate_month: integer, Month of date. Must be from 1 to 12.
+  x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
+  toDate_day: integer, Day of month. Must be from 1 to 31 and valid for the year and month.
+  fromDate_day: integer, Day of month. Must be from 1 to 31 and valid for the year and month.
+
+Returns:
+  An object of the form:
+
+    {
+    "stats": [
+      {
+        "date": { # Represents a whole calendar date, for example a date of birth. The time of day and time zone are either specified elsewhere or are not significant. The date is relative to the [Proleptic Gregorian Calendar](https://en.wikipedia.org/wiki/Proleptic_Gregorian_calendar). The date must be a valid calendar date between the year 1 and 9999. # Date for which session stats were calculated. Stats calculated on the next
+            # day close to midnight are returned.
+          "year": 42, # Year of date. Must be from 1 to 9999.
+          "day": 42, # Day of month. Must be from 1 to 31 and valid for the year and month.
+          "month": 42, # Month of date. Must be from 1 to 12.
+        },
+        "searchSessionsCount": "A String", # The count of search sessions on the day
+      },
+    ],
+  }</pre>
+</div>
+
+<div class="method">
+    <code class="details" id="getUser">getUser(toDate_year=None, fromDate_month=None, fromDate_year=None, toDate_month=None, x__xgafv=None, toDate_day=None, fromDate_day=None)</code>
+  <pre>Get the users statistics for customer.
+
+**Note:** This API requires a standard end user account to execute.
+
+Args:
+  toDate_year: integer, Year of date. Must be from 1 to 9999.
+  fromDate_month: integer, Month of date. Must be from 1 to 12.
+  fromDate_year: integer, Year of date. Must be from 1 to 9999.
+  toDate_month: integer, Month of date. Must be from 1 to 12.
+  x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
+  toDate_day: integer, Day of month. Must be from 1 to 31 and valid for the year and month.
+  fromDate_day: integer, Day of month. Must be from 1 to 31 and valid for the year and month.
+
+Returns:
+  An object of the form:
+
+    {
+    "stats": [
+      {
+        "sevenDaysActiveUsersCount": "A String", # The count of unique active users in the past seven days
+        "date": { # Represents a whole calendar date, for example a date of birth. The time of day and time zone are either specified elsewhere or are not significant. The date is relative to the [Proleptic Gregorian Calendar](https://en.wikipedia.org/wiki/Proleptic_Gregorian_calendar). The date must be a valid calendar date between the year 1 and 9999. # Date for which session stats were calculated. Stats calculated on the next
+            # day close to midnight are returned.
+          "year": 42, # Year of date. Must be from 1 to 9999.
+          "day": 42, # Day of month. Must be from 1 to 31 and valid for the year and month.
+          "month": 42, # Month of date. Must be from 1 to 12.
+        },
+        "oneDayActiveUsersCount": "A String", # The count of unique active users in the past one day
+        "thirtyDaysActiveUsersCount": "A String", # The count of unique active users in the past thirty days
+      },
+    ],
+  }</pre>
+</div>
+
 </body></html>
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