{"ast_node_type":"other","tokens":[{"end":60,"kind":"keyword","start":0,"text":"//"}]}
        // Example: HirId(DefId(0:1 ~ aa[7697]::{use#0}).10)
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        // Don't use debug_tuple to always keep this on one line.