EntryCompletion 
  ⚠️ Deprecated ⚠️
This is deprecated since version 4.10.
GtkEntryCompletion will be removed in GTK 5.
---Creates a new GtkEntryCompletion object.
Return
A newly created GtkEntryCompletion object
⚠️ Deprecated ⚠️
This is deprecated since version 4.10.
GtkEntryCompletion will be removed in GTK 5.
---Creates a new GtkEntryCompletion object using the specified @area.
The GtkCellArea is used to layout cells in the underlying GtkTreeViewColumn for the drop-down menu.
Return
A newly created GtkEntryCompletion object
Parameters
area
the GtkCellArea used to layout cells
constructor(gtkEntryCompletionPointer: <Error class: unknown class><<Error class: unknown class>>)(source)