{"ast_node_type":"other","tokens":[{"end":65,"kind":"keyword","start":0,"text":"second.set_span(second.span().resolved_at(Span::def_site()));"}]}
    second.set_span(second.span().resolved_at(Span::def_site()));
    let mut second = args.next().unwrap();
    let mut third = args.next().unwrap();