signal callback delegate or function to connect
void callback(soup.message.Message message)
message the instance the signal is connected to (optional)
Yes.After to execute callback after default handler, No.After to execute before (default)
Signal ID
Connect to Restarted signal.
Emitted when a request that was already sent once is now being sent again.
e.g. because the first attempt received a redirection response, or because we needed to use authentication.