{"ast_node_type":"other","tokens":[{"end":75,"kind":"keyword","start":0,"text":"import_effective_visibilities:"}]}
    import_effective_visibilities: EffectiveVisibilities<NameBinding<'ra>>,
    /// bindings can correspond to a single def id in imports. So we keep a separate table.
    // It's possible to recalculate this at any point, but it's relatively expensive.