{"ast_node_type":"other","tokens":[{"end":37,"kind":"keyword","start":0,"text":".walk(&body,"}]}
        .walk(&body, &mut |_, expr| {
        .with_check_ctx(&WalkExpandedExprCtx::is_async_const_block_or_closure)
            let file_id = sema.hir_file_for(expr.syntax());