{"ast_node_type":"other","tokens":[{"end":92,"kind":"keyword","start":0,"text":"self.xform_self_ty(probe.item,"}]}
                        self.xform_self_ty(probe.item, trait_ref.self_ty(), trait_ref.args);
                    (xform_self_ty, xform_ret_ty) =
                    xform_self_ty = ocx.normalize(cause, self.param_env, xform_self_ty);