{"ast_node_type":"other","tokens":[{"end":87,"kind":"keyword","start":0,"text":"self.tcx.hir_get_generics(lifetime_ref.hir_id.owner.def_id)"}]}
                            self.tcx.hir_get_generics(lifetime_ref.hir_id.owner.def_id)
                        if let Some(generics) =
                        {