{"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"assert_eq!(extern_opt.path,"}]}
    assert_eq!(extern_opt.path, Some(PathBuf::from("libbar.rlib")));
    assert_eq!(extern_opt.crate_name, "foo::bar");
    assert_eq!(extern_opt.options, None);