title: How to get all set-cookie headers from node-fetch?
body: <p>In one of the projects I started to work on the original owner uses node-fetch for http request. node-fetch provides <code>res.headers.get('set-cookie')</code> but it only returns one of the set-cookie headers. (Usually you can have multiple set-cookie in a response header).</p>
  
  <p>Without abandoning node-fetch, is it possible to get all <code>set-cookie</code> headers from the response?</p>