{"ast_node_type":"other","tokens":[{"end":87,"kind":"keyword","start":0,"text":"assert_eq!(\"<'a>\","}]}
    assert_eq!("<'a>", pred.generic_param_list().unwrap().syntax().text().to_string());
    assert!(pred.for_token().is_some());
    assert_eq!("F", pred.ty().unwrap().syntax().text().to_string());