a>
<span class="k">class</span> <span class="nc">ParamType</span><span class="p">(</span><span class="nb">str</span><span class="p">):</span>
<span class="w">    </span><span class="sd">&#39;&#39;&#39;</span>
<span class="sd">    Enum of AudioParam types</span>
<span class="sd">    &#39;&#39;&#39;</span>
    <span class="k">def</span> <span class="nf">to_json</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nb">str</span><span class