let response = try await http.sendRequest(.get, "https://meta.stackexchange.com/users/login", nil as Empty?).get()
guard let html = String(data: response.data, encoding: .utf8) else { fatalError() }
let fkey = try SwiftSoup.parse(html).getElementsByAttributeValue("name", "fkey").attr("value")
print(fkey)

import Alamofire
import SwiftSoup

let httpClient: HTTPClient = HTTPClientImpl()
let auth = AuthHandlerImpl(client: httpClient)
print(try await auth.getFKey())

POST request to codegolf.stackexchange.com/users/login
response headers: Optional(Pragma: no-cache
Via: 1.1 varnish
Accept-Ranges: bytes
Content-Security-Policy: upgrade-insecure-requests; frame-ancestors 'self' stackexchange.com
X-Timer: S1683893054.613465,VS0,VE31
Connection: keep-alive
x-frame-options: SAMEORIGIN
Strict-Transport-Security: max-age=15552000
Cache-Control: no-cache
Date: Fri, 12 May 2023 12:04:13 GMT
Content-Type: text/html; charset=utf-8
X-Cache-Hits: 0
X-Served-By: cache-cmh1290069-CMH