module Types: sig .. end
type ([> `canvasitem | `gtk ], 'a) t = Gobject.g_type
val group : Gobject.g_type
val rect : Gobject.g_type
val ellipse : Gobject.g_type
val text : Gobject.g_type
val line : Gobject.g_type
val bpath : Gobject.g_type
val pixbuf : Gobject.g_type
val polygon : Gobject.g_type
val shape : Gobject.g_type
val rect_ellipse : Gobject.g_type
val widget : Gobject.g_type
val rich_text : Gobject.g_type
val points : Gobject.g_type
val is_a : 'a Gobject.obj -> Gobject.g_type -> bool
val name : Gobject.g_type -> string