Macro sbor::create_well_known_lookup

macro_rules! create_well_known_lookup {
    (
        $lookup_name: ident,
        $constants_mod: ident,
        $custom_type_kind: ty,
        [
            $((
                $name: ident,
                $type_id: expr,
                $type_data: expr$(,)?
            )),*
            $(,)?
        ]
    ) => { ... };
}