BRepOffsetAPI → NCollection Relation

File in src/BRepOffsetAPI	Includes file in src/NCollection
BRepOffsetAPI_SequenceOfSequenceOfReal.hxx	NCollection_Sequence.hxx
BRepOffsetAPI_SequenceOfSequenceOfShape.hxx	NCollection_Sequence.hxx
BRepOffsetAPI_ThruSections.hxx	NCollection_Handle.hxx