{"ast_node_type":"other","tokens":[{"end":75,"kind":"keyword","start":0,"text":"///"}]}
    /// `Box<dyn Debug + '_>`. In those cases, `lower_lifetime` is invoked.
    /// when the bound is written, even if it is written with `'_` like in
    fn elided_dyn_bound(&mut self, span: Span) -> &'hir hir::Lifetime {