ustom states for the quantum walk.</span>
<span class="sd">        noiseParam : float, optional</span>
<span class="sd">            Parameter controlling noise in the stochastic operator.</span>
<span class="sd">        sinkNode : int, optional</span>
<span class="sd">            Node acting as a sink in the quantum walk.</span>
<span class="sd">        sinkRate : float, optional</span>
<span class="sd">            Rate of transfer to the sink node.</span>
<span class="sd">        &quot;&quot;&quot;</span>
