l#type-credentials">Stdweb.Fetch.credentials</a> <span class="arrow">&#45;&gt;</span></span>
  <span><span class="label">encode</span>:<span>(<span><span class="type-var">'a</span> <span class="arrow">&#45;&gt;</span></span> <a href="../../../Stdweb/Json/index.html#type-t">Stdweb.Json.t</a>)</span> <span class="arrow">&#45;&gt;</span></span>
  <span><span class="label">decode</span>:<span>(<span><a href="../../../Stdweb/Json/index.html#type-t">Stdweb.Json.t</a> <span class="arrow">&#45;&gt;</span></span> <s