            key value pair
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="../interface/function_synopsis.html#interval_type"><span class="bold"><strong>i</strong></span></a>:
                  <code class="computeroutput"><span class="identifier">interval_type</span></code>
                </p>
              </td>
<td>
                <p>
                  interval value pair
                </p>
              </td>
<td>
              </t