{"ast_node_type":"other","tokens":[{"end":43,"kind":"keyword","start":0,"text":"unique_type_id:"}]}
        unique_type_id: UniqueTypeId<'tcx>,
        cx: &CodegenCx<'ll, 'tcx>,
        build: impl FnOnce(&CodegenCx<'ll, 'tcx>, /* unique_type_id_str: */ &str) -> &'ll DIType,