{"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"SelfImportsOnlyAllowedWithin"}]}
    SelfImportsOnlyAllowedWithin { root: bool, span_with_rename: Span },
    /// Error E0429: `self` imports are only allowed within a `{ }` list.
    /// Error E0430: `self` import can only appear once in the list.