{"ast_node_type":"function","tokens":[{"end":65,"kind":"keyword","start":0,"text":"fn"}]}
            fn check_attributes(a: &'tcx [rustc_hir::Attribute]);
            fn check_attribute(a: &'tcx rustc_hir::Attribute);
            fn check_attributes_post(a: &'tcx [rustc_hir::Attribute]);