Regen all docs. (#700)

* Stop recursing if discovery == {}

* Generate docs with 'make docs'.
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+<style>
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+body, h1, h2, h3, div, span, p, pre, a {
+  margin: 0;
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+  font-weight: inherit;
+  font-style: inherit;
+  font-size: 100%;
+  font-family: inherit;
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+pre, code {
+  line-height: 1.5;
+  font-family: Monaco, 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', 'Lucida Console', monospace;
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+  margin-top: 0.5em;
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+.firstline {
+  margin-left: 2 em;
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+.method  {
+  margin-top: 1em;
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+.details {
+  font-weight: bold;
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+</style>
+
+<h1><a href="androidpublisher_v3.html">Google Play Developer API</a> . <a href="androidpublisher_v3.purchases.html">purchases</a> . <a href="androidpublisher_v3.purchases.voidedpurchases.html">voidedpurchases</a></h1>
+<h2>Instance Methods</h2>
+<p class="toc_element">
+  <code><a href="#list">list(packageName, startTime=None, token=None, maxResults=None, startIndex=None, endTime=None)</a></code></p>
+<p class="firstline">Lists the purchases that were canceled, refunded or charged-back.</p>
+<h3>Method Details</h3>
+<div class="method">
+    <code class="details" id="list">list(packageName, startTime=None, token=None, maxResults=None, startIndex=None, endTime=None)</code>
+  <pre>Lists the purchases that were canceled, refunded or charged-back.
+
+Args:
+  packageName: string, The package name of the application for which voided purchases need to be returned (for example, 'com.some.thing'). (required)
+  startTime: string, The time, in milliseconds since the Epoch, of the oldest voided in-app product purchase that you want to see in the response. The value of this parameter cannot be older than 30 days and is ignored if a pagination token is set. Default value is current time minus 30 days. Note: This filter is applied on the time at which the record is seen as voided by our systems and not the actual voided time returned in the response.
+  token: string, A parameter
+  maxResults: integer, A parameter
+  startIndex: integer, A parameter
+  endTime: string, The time, in milliseconds since the Epoch, of the newest voided in-app product purchase that you want to see in the response. The value of this parameter cannot be greater than the current time and is ignored if a pagination token is set. Default value is current time. Note: This filter is applied on the time at which the record is seen as voided by our systems and not the actual voided time returned in the response.
+
+Returns:
+  An object of the form:
+
+    {
+    "voidedPurchases": [
+      { # A VoidedPurchase resource indicates a purchase that was either canceled/refunded/charged-back.
+        "kind": "androidpublisher#voidedPurchase", # This kind represents a voided purchase object in the androidpublisher service.
+        "voidedTimeMillis": "A String", # The time at which the purchase was canceled/refunded/charged-back, in milliseconds since the epoch (Jan 1, 1970).
+        "purchaseToken": "A String", # The token that was generated when a purchase was made. This uniquely identifies a purchase.
+        "purchaseTimeMillis": "A String", # The time at which the purchase was made, in milliseconds since the epoch (Jan 1, 1970).
+      },
+    ],
+    "tokenPagination": {
+      "nextPageToken": "A String",
+      "previousPageToken": "A String",
+    },
+    "pageInfo": {
+      "totalResults": 42,
+      "startIndex": 42,
+      "resultPerPage": 42,
+    },
+  }</pre>
+</div>
+
+</body></html>
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