{"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"self.fcx.lower_ty(ty.as_unambig_ty()).raw.into()"}]}
                        self.fcx.lower_ty(ty.as_unambig_ty()).raw.into()
                        // We handle the ambig portions of `Ty` in match arm below
                    }