lass="kc">None</span>

    <span class="nd">@staticmethod</span>
    <span class="k">def</span><span class="w"> </span><span class="nf">symbolic</span><span class="p">(</span><span class="n">g</span><span class="p">,</span> <span class="n">x</span><span class="p">:</span> <span class="n">Tensor</span><span class="p">,</span> <span class="n">min_val</span><span class="p">:</span> <span class="nb">float</span><span class="p">,</span> <span class="n">max_val</span><span class="p">:</span> <span class="nb">floa