{"ast_node_type":"import","tokens":[{"end":67,"kind":"keyword","start":0,"text":"//"}]}
                // We use `parse_fn` to get a span for the function
                    Visibility { span: DUMMY_SP, kind: VisibilityKind::Inherited, tokens: None };
                let fn_parse_mode = FnParseMode { req_name: |_| true, req_body: true };