Gets the [class@Completion] associated with @view.
The returned object is guaranteed to be the same for the lifetime of @view. Each GtkSourceView object has a different [class@Completion].
the #GtkSourceCompletion associated with @view.
See Implementation
Gets the [class@Completion] associated with @view.
The returned object is guaranteed to be the same for the lifetime of @view. Each GtkSourceView object has a different [class@Completion].