{"ast_node_type":"import","tokens":[{"end":109,"kind":"keyword","start":0,"text":"//"}]}
    // but in destructuring assignment it is valid, because `m!()()` is a valid expression, and destructuring
    // This is a funny one. `let m!()() = Bar()` is an error in rustc, because `m!()()` isn't a valid pattern,
    // assignments start their lives as expressions. So we have to do the same.