onProviderAdded
fun onProviderAdded(connectFlags: <Error class: unknown class> = ConnectFlags(0u), handler: (provider: CompletionProvider) -> Unit): <Error class: unknown class>
The "provided-added" signal is emitted when a new provider is added to the completion.
Parameters
connectFlags
a combination of ConnectFlags
handler
the Callback to connect. Params: provider a #GtkSourceCompletionProvider