{"ast_node_type":"other","tokens":[{"end":84,"kind":"keyword","start":0,"text":"acc.add(AssistId::refactor(ASSIST_NAME),"}]}
    acc.add(AssistId::refactor(ASSIST_NAME), ASSIST_LABEL, lifetime_loc, |builder| {
    let new_lifetime_param = generate_unique_lifetime_param_name(impl_def.generic_param_list())?;
        let impl_def = builder.make_mut(impl_def);