; </span><span class="ts4">NONE, REPLICATE, NOREPLICATE, SHORT</span></p>
              <p class="ps2"><span class="ts3">Alternates:&nbsp; </span><span class="ts4">&lt;key_nulltype&gt;</span></p>
            </td>
          </tr>
          <tr class="row0">
            <td class="cell64">
              <p class="ps0"><a id="TO_KEY_NULLVALUE"></a><span class="ts14">&lt;TO_KEY_NULLVALUE&gt;</span></p>
              <p><span class="ts4">&nbsp;</span></p>
            </td>
            <td class="cell65