{"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"&ExpandErrorKind::MissingProcMacroExpander(def_crate)"}]}
            &ExpandErrorKind::MissingProcMacroExpander(def_crate) => {
            },
                match db.proc_macros_for_crate(def_crate).as_ref().and_then(|it| it.get_error()) {