{"ast_node_type":"other","tokens":[{"end":56,"kind":"keyword","start":0,"text":"///"}]}
    /// [`traversal::mono_reachable_reverse_postorder`].
    /// This is used to implement [`traversal::mono_reachable`] and
    pub fn mono_successors(&self, tcx: TyCtxt<'tcx>, instance: Instance<'tcx>) -> Successors<'_> {