ata type associated with each key.
                    </p>
                  </td>
</tr>
<tr>
<td>
                    <p>
                      <code class="computeroutput"><span class="identifier">sym</span></code>
                    </p>
                  </td>
<td>
                    <p>
                      <code class="computeroutput"><span class="identifier">T</span></code>
                    </p>
                  </td>
<td>
                    <p>
                      Emits entries in the sym