{"ast_node_type":"other","tokens":[{"end":89,"kind":"keyword","start":0,"text":"//"}]}
                        // parsed as a path, so parens are necessary to disambiguate. See
                        // In edition 2015, dyn is a contextual keyword and `dyn::foo::Bar` is
                        //  - tests/ui/lint/unused/unused-parens-trait-obj-e2015.rs and