Open CASCADE Technology  7.1.0

Select3D → BVH Relation

File in src/Select3DIncludes file in src/BVH
Select3D_BndBox3d.hxxBVH_Box.hxx
Select3D_BndBox3d.hxxBVH_Types.hxx
Select3D_SensitiveSet.hxxBVH_PrimitiveSet.hxx