e</span> <span class="p">(</span><span class="nx">token</span><span class="o">:</span> <span class="nx">string</span><span class="p">)</span><span class="o">:</span> <span class="nx">number</span> <span class="p">{</span>     <span class="k">return</span> <span class="k">this</span><span class="p">.</span><span class="nx">tokenIndice</span><span class="p">.</span><span class="nx">get</span><span class="p">(</span><span class="nx">token</span><span class="p">)</span> <span class="nx">as</span> <span class="nx">number</span>   <span class="p">}</span>    <span class="kr">public</span> <span class="nx">s