signal callback delegate or function to connect
void callback(gtksource.completion_context.CompletionContext completionContext)
completionContext 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 Cancelled signal.
Emitted when the current population of proposals has been cancelled. Providers adding proposals asynchronously should connect to this signal to know when to cancel running proposal queries.