{"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"self.fcx.canonicalize_user_type_annotation(ty::UserType::new("}]}
                self.fcx.canonicalize_user_type_annotation(ty::UserType::new(
                    ty::UserTypeKind::TypeOf(pick.item.def_id, user_args),