{"ast_node_type":"other","tokens":[{"end":90,"kind":"keyword","start":0,"text":"cx.ext_cx.monotonic_expander().fully_expand_fragment(main).make_items().pop().unwrap()"}]}
    cx.ext_cx.monotonic_expander().fully_expand_fragment(main).make_items().pop().unwrap()
    let main = AstFragment::Items(smallvec![main]);
}