Types of neighboring for the deprecated Geometry_V1.
siNeighborType.siAdjacent // 1 siNeighborType.siGrow // 2 siNeighborType.siNextCompo // 3 siNeighborType.siPrevCompo // 4 siNeighborType.siFirstCompo // 5 siNeighborType.siLastCompo // 6
Geometry0D.Neighbors0D Geometry1D.Neighbors1D Geometry2D.Neighbors2D