{"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"//"}]}
    // it's unusual to `include_str!` a Rust file), but we can return an empty string.
    // FIXME: we're not able to read excluded files (which is most of them because
    // Ideally, we'd be able to offer a precise expansion if the user asks for macro