{"ast_node_type":"other","tokens":[{"end":51,"kind":"keyword","start":0,"text":"namespace_map:"}]}
    namespace_map: RefCell<DefIdMap<&'ll DIScope>>,
    adt_stack: RefCell<Vec<(DefId, GenericArgsRef<'tcx>)>>,
    recursion_marker_type: OnceCell<&'ll DIType>,