CGAL::Algebraic_kernel_for_circles_2_2
CGAL::Circular_kernel_2<Kernel,AlgebraicKernelForCircles>
CGAL::Exact_circular_kernel_2
CGAL::Circular_arc_2<CircularKernel>
CGAL::Circular_arc_point_2<CircularKernel>
CGAL::Line_arc_2<CircularKernel>