/*!
\example Spatial_searching/Point.h
\example Spatial_searching/Distance.h
\example Spatial_searching/circular_query.cpp
\example Spatial_searching/distance_browsing.cpp
\example Spatial_searching/fuzzy_range_query.cpp
\example Spatial_searching/general_neighbor_searching.cpp
\example Spatial_searching/iso_rectangle_2_query.cpp
\example Spatial_searching/iso_rectangle_2_query_projection.cpp
\example Spatial_searching/nearest_neighbor_searching.cpp
\example Spatial_searching/searching_with_circular_query.cpp
\example Spatial_searching/searching_surface_mesh_vertices.cpp
\example Spatial_searching/searching_polyhedron_vertices.cpp
\example Spatial_searching/searching_triangulation_vertices.cpp
\example Spatial_searching/searching_with_point_with_info.cpp
\example Spatial_searching/searching_with_point_with_info_inplace.cpp
\example Spatial_searching/searching_with_point_with_info_pmap.cpp
\example Spatial_searching/user_defined_point_and_distance.cpp
\example Spatial_searching/using_fair_splitting_rule.cpp
\example Spatial_searching/weighted_Minkowski_distance.cpp
\example Spatial_searching/splitter_worst_cases.cpp
\example Spatial_searching/searching_sphere_orthogonally.cpp
\example Spatial_searching/parallel_kdtree.cpp
*/