Determines whether the visibility of the info window should be saved when the completion is hidden, and restored when the completion is shown again.
Determines whether the first proposal should be selected when the completion is first shown.
The "show-icons" property denotes if icons should be displayed within the list of completions presented to the user.
The "view" property is the #GtkTextView for which this #GtkSourceCompletion is providing completion features.
The number of rows to display to the user before scrolling.