#define GTK_IS_STYLE_PROVIDER(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), GTK_TYPE_STYLE_PROVIDER))
#define GTK_STYLE_PROVIDER_GET_IFACE(o) (G_TYPE_INSTANCE_GET_INTERFACE ((o), GTK_TYPE_STYLE_PROVIDER, GtkStyleProviderIface))
+#define GTK_STYLE_PROVIDER_PRIORITY_FALLBACK 1
+#define GTK_STYLE_PROVIDER_PRIORITY_DEFAULT 200
+#define GTK_STYLE_PROVIDER_PRIORITY_APPLICATION 400
+#define GTK_STYLE_PROVIDER_PRIORITY_USER 600
+
typedef struct GtkStyleProviderIface GtkStyleProviderIface;
typedef struct GtkStyleProvider GtkStyleProvider; /* dummy typedef */