The class Dummy_straight_skeleton_builder_2_visitor<Ss> provides a model for the StraightSkeletonBuilder_2_Visitor concept which is the visitor type required by the StraightSkeletonBuilder_2 concept. The class Dummy_straight_skeleton_builder_2_visitor<Ss> has only one template argument: a model of the StraightSkeleton_2 concept.
This class is the default visitor parameter of the straight skeleton builder. All its methods are empty.
#include <CGAL/Straight_skeleton_builder_2.h>