{"ast_node_type":"other","tokens":[{"end":36,"kind":"keyword","start":0,"text":"StmtKind::Empty"}]}
            StmtKind::Empty => None,
            StmtKind::Expr(expr) | StmtKind::Semi(expr) => expr.tokens(),
            StmtKind::MacCall(mac) => mac.tokens.as_ref(),