{"ast_node_type":"other","tokens":[{"end":66,"kind":"keyword","start":0,"text":".shifted_out_to(DebruijnIndex::new(2))"}]}
                            .shifted_out_to(DebruijnIndex::new(2))
                        Some(bound_var) => bound_var
                            .map(|bound_var| LifetimeData::BoundVar(bound_var).intern(Interner))