tion</span><span class="token punctuation">(</span><span class="token parameter">assert</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">const</span> someThing <span class="token operator">=</span> <span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">subject</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
  