pan>&#45;&gt;</span> <span>?&#8288;content:string</span> <span>&#45;&gt;</span> <span>?&#8288;headers:<span><span>(string * string)</span> list</span></span> <span>&#45;&gt;</span> <span>?&#8288;msg:string</span> <span>&#45;&gt;</span> <span>?&#8288;error:<a href="../EzReq_S/index.html#type-error_handler">EzReq_S.error_handler</a></span> <span>&#45;&gt;</span> <a href="../EzAPI/index.html#type-url">EzAPI.url</a> <span>&#45;&gt;</span> <span>(string <span>&#45;&gt;</span> unit)</span> <span>&#45;&gt;</span> 