• ChildType : OGRCompoundCurve , OGRCurve , OGRCurvePolygon , OGRGeometryCollection , OGRMultiCurve , OGRMultiLineString , OGRMultiPoint , OGRMultiPolygon , OGRMultiSurface , OGRPolygon , OGRPolyhedralSurface , OGRSimpleCurve , OGRTriangulatedSurface
• difference_type : GDALDataset::Layers::Iterator
• iterator_category : GDALDataset::Layers::Iterator
• pointer : GDALDataset::Layers::Iterator
• reference : GDALDataset::Layers::Iterator
• value_type : GDALDataset::Layers::Iterator