public HttpUrl authorizeUrl(String scopes, HttpUrl redirectUrl, ByteString state, String team) {
    HttpUrl.Builder builder = baseUrl.newBuilder("/oauth/authorize")
        .addQueryParameter("client_id", clientId)
        .addQueryParameter("scope", scopes)
        .addQueryParameter("redirect_uri", redirectUrl.toString())
        .addQueryParameter("state", state.base64());

    if (team != null) {

        + "groups:write im:history im:read im:write mpim:history mpim:read mpim:write pins:read "
        + "pins:write reactions:read reactions:write search:read stars:read stars:write team:read "
        + "usergroups:read usergroups:write users:read users:write identify";

    if (true) {
      client.requestOauthSession(scopes, null);
    } else {

    if (mockWebServer == null) throw new IllegalStateException();

    ByteString state = randomToken();
    synchronized (this) {
      listeners.put(state, listener);
    }

    return slackApi.authorizeUrl(scopes, redirectUrl(), state, team);
  }

  private ByteString randomToken() {
    byte[] bytes = new byte[16];
    secureRandom.nextBytes(bytes);