{"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"self.diagnostic_items(id.krate).id_to_name.get(&id).copied()"}]}
        self.diagnostic_items(id.krate).id_to_name.get(&id).copied()
    pub fn get_diagnostic_name(self, id: DefId) -> Option<Symbol> {
    }