{"ast_node_type":"other","tokens":[{"end":96,"kind":"keyword","start":0,"text":"///"}]}
    /// - Let `E` be the (higher-ranked) signature that we derive from the expectations, if any.
    /// - Let `S` be the (higher-ranked) signature that we derive from the user's annotations.
    ///   - If we have no expectation `E`, then the signature of the closure is `S`.