></code></p></li>
<li><p>possible_values: <code class="docutils literal notranslate"><span class="pre">['float64',</span> <span class="pre">'float32',</span> <span class="pre">'bool',</span> <span class="pre">'int32',</span> <span class="pre">'int16',</span> <span class="pre">'int8',</span> <span class="pre">'int64']</span></code></p></li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt><code class="docutils literal notranslate"><span class="pre">extra_dimensions</span></code>:  <em>&lt;optional&gt;</em