+extern void debrush_init_attr(DEBrush *brush, const GrStyleSpec *spec);
+extern void debrush_set_attr(DEBrush *brush, GrAttr attr);
+extern void debrush_unset_attr(DEBrush *brush, GrAttr attr);
+extern GrStyleSpec *debrush_get_current_attr(DEBrush *brush);
+