void gpencil_undo_push(struct bGPdata *gpd);
void gpencil_undo_finish(void);
+/* interpolation ---------- */
+
+void GPENCIL_OT_interpolate(struct wmOperatorType *ot);
+void GPENCIL_OT_interpolate_sequence(struct wmOperatorType *ot);
+
/* ****************************************************** */
/* FILTERED ACTION DATA - TYPES ---> XXX DEPRECEATED OLD ANIM SYSTEM CODE! */