{"ast_node_type":"other","tokens":[{"end":82,"kind":"keyword","start":0,"text":"NonterminalKind::Expr(Expr2021"}]}
            NonterminalKind::Expr(Expr2021 { inferred: false }) => sym::expr_2021,
            NonterminalKind::Expr(Expr2021 { inferred: true } | Expr) => sym::expr,
            NonterminalKind::Ty => sym::ty,