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diff --git a/src/live_effects/lpegroupbbox.h b/src/live_effects/lpegroupbbox.h
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+// SPDX-License-Identifier: GPL-2.0-or-later
+#ifndef INKSCAPE_LPEGROUPBBOX_H
+#define INKSCAPE_LPEGROUPBBOX_H
+
+/*
+ * Inkscape::LivePathEffect_group_bbox
+ *
+ * Copyright (C) Steren Giannini 2008 <steren.giannini@gmail.com>
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+class SPLPEItem;
+
+#include <2geom/interval.h>
+
+namespace Inkscape {
+namespace LivePathEffect {
+
+class GroupBBoxEffect {
+protected:
+ // Bounding box of the item the path effect is applied on
+ Geom::Interval boundingbox_X;
+ Geom::Interval boundingbox_Y;
+
+ //This sets boundingbox_X and boundingbox_Y
+ Geom::OptRect clip_mask_bbox(SPLPEItem * item, Geom::Affine transform);
+ void original_bbox(SPLPEItem const* lpeitem, bool absolute = false, bool clip_mask = false, Geom::Affine base_transform = Geom::identity());
+};
+
+}; //namespace LivePathEffect
+}; //namespace Inkscape
+
+#endif