{"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":")"}]}
    ) -> Option<(ExprId, &[Vec<(syntax::TextRange, usize)>])> {
        node: InFile<&ast::AsmExpr>,
        let src = node.map(AstPtr::new).map(AstPtr::upcast::<ast::Expr>);