/tr>
<tr><td valign="top"><a href="#validate_tags-1">validate_tags/1</a></td><td></td></tr>
</table>

<h2><a name="functions">Function Details</a></h2>

<h3 class="function"><a name="code_change-3">code_change/3</a></h3>
<div class="spec">
<p><tt>code_change(OldVsn, State, Extra) -&gt; any()</tt></p>
</div>

<h3 class="function"><a name="discover-1">discover/1</a></h3>
<div class="spec">
<p><tt>discover(Timeout::pos_integer()) -&gt; ok | {error, ec2_connect_failed | ec2_connect_timeout | ec2_unavailable | d