<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>null</code> or a map of parameters to insert into the URL query string.</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>2.2</dd>
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<h4>getId</h4>
<pre>public abstract&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;getId()</pre>
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