Downloadsgdsfactory.typings.LayerSpecGDSFactorygdsfactory.typings.LayerSpec: TypeAlias = tuple[int, int] | str | int | kfactory.layer.LayerEnumRepresent a PEP 604 union typeE.g. for int | strReferencegdsfactory.typings.LayerReferencegdsfactory.typings.LayerSpecs