#define EV_IS_DOCUMENT_LAYERS(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), EV_TYPE_DOCUMENT_LAYERS))
#define EV_IS_DOCUMENT_LAYERS_IFACE(k) (G_TYPE_CHECK_CLASS_TYPE ((k), EV_TYPE_DOCUMENT_LAYERS))
#define EV_IS_DOCUMENT_LAYERS(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), EV_TYPE_DOCUMENT_LAYERS))
#define EV_IS_DOCUMENT_LAYERS_IFACE(k) (G_TYPE_CHECK_CLASS_TYPE ((k), EV_TYPE_DOCUMENT_LAYERS))