{"ast_node_type":"other","tokens":[{"end":88,"kind":"keyword","start":0,"text":"tcx.fn_sig(self.def_id).instantiate_identity().skip_binder().to_string()"}]}
                tcx.fn_sig(self.def_id).instantiate_identity().skip_binder().to_string()
                // regions just fine, showing `fn(&MyType)`.
            }