
<tr id="i3" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isNullKey()">isNullKey</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code><a href="KV.html" title="type parameter in KV">K</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#key()">key</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
