BRepExtrema → NCollection Relation

File in src/BRepExtrema	Includes file in src/NCollection
BRepExtrema_MapOfIntegerPackedMapOfInteger.hxx	NCollection_DataMap.hxx
BRepExtrema_ProximityValueTool.hxx	NCollection_CellFilter.hxx
BRepExtrema_SeqOfSolution.hxx	NCollection_Sequence.hxx
BRepExtrema_ShapeProximity.hxx	NCollection_DataMap.hxx