{"ast_node_type":"other","tokens":[{"end":100,"kind":"keyword","start":0,"text":"PlaceholderLike::new_anon(ty::UniverseIndex::ROOT,"}]}
                    PlaceholderLike::new_anon(ty::UniverseIndex::ROOT, self.variables.len().into()),
                CanonicalizeMode::Input { .. } => CanonicalVarKind::PlaceholderTy(
                ),