_MultiPolygonObject :: (VectorStructureClass fv fc a) =>
  Prism' (GeometryStructure MultiPolygon a fv fc) (GeometryObject a)
_MultiPolygonObject = _MultiPolygon .
  iso GeometryMultiPolygon (\(GeometryMultiPolygon a) -> a)
_MultiPolygonObject :: (VectorStructureClass fv fc a) =>
  Prism' (GeometryStructure MultiPolygon a fv fc) (GeometryObject a)
_MultiPolygonObject = _MultiPolygon .
  iso GeometryMultiPolygon (\(GeometryMultiPolygon a) -> a)
_MultiPolygonObject = _MultiPolygon .
  iso GeometryMultiPolygon (\(GeometryMultiPolygon a) -> a)