t</span><span class="token punctuation">(</span><span class="token string">'headers'</span><span class="token punctuation">,</span> <span class="token punctuation">{</span>
      <span class="token string-property property">'API_KEY'</span><span class="token operator">:</span> <span class="token string">'secret key'</span><span class="token punctuation">,</span>
      <span class="token string-property property">'ANOTHER_HEADER'</span><span class="token operator">:</span> <span class="token string">'Some he