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diff --git a/src/livarot/sweep-tree-list.h b/src/livarot/sweep-tree-list.h
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+// SPDX-License-Identifier: GPL-2.0-or-later
+/** @file
+ * TODO: insert short description here
+ *//*
+ * Authors: see git history
+ *
+ * Copyright (C) 2010 Authors
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+/** @file
+ * @brief SweepTreeList definition
+ */
+
+#ifndef INKSCAPE_LIVAROT_SWEEP_TREE_LIST_H
+#define INKSCAPE_LIVAROT_SWEEP_TREE_LIST_H
+
+class Shape;
+class SweepTree;
+
+/**
+ * The sweepline: a set of edges intersecting the current sweepline
+ * stored as an AVL tree.
+ */
+class SweepTreeList {
+public:
+    int nbTree;   ///< Number of nodes in the tree.
+    int const maxTree;   ///< Max number of nodes in the tree.
+    SweepTree *trees;    ///< The array of nodes.
+    SweepTree *racine;   ///< Root of the tree.
+
+    SweepTreeList(int s);
+    virtual ~SweepTreeList();
+
+    SweepTree *add(Shape *iSrc, int iBord, int iWeight, int iStartPoint, Shape *iDst);
+};
+
+
+#endif /* !INKSCAPE_LIVAROT_SWEEP_TREE_LIST_H */
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :