{"ast_node_type":"other","tokens":[{"end":40,"kind":"keyword","start":0,"text":"///"}]}
    /// for small values of `i` and `v`.
    /// `Bound(DebruijnIndex(i), BoundTy { var: v, kind: BoundTyKind::Anon})`
    pub anon_bound_tys: Vec<Vec<Ty<'tcx>>>,