change<span class="token punctuation">.</span><span class="token function">mutate</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">request</span><span class="token punctuation">(</span>newRequest<span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">build</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span clas