{"ast_node_type":"other","tokens":[{"end":74,"kind":"keyword","start":0,"text":"//"}]}
            // it must be a reified late-bound lifetime from a trait goal.
            // Opaques do not declare their own lifetimes, so if a lifetime comes from an opaque
            hir::Node::OpaqueTy(_) => "higher-ranked lifetime from outer `impl Trait`",