{"ast_node_type":"other","tokens":[{"end":98,"kind":"keyword","start":0,"text":"//"}]}
        // additional `SyntaxContext`s into the global `HygieneData`. Therefore, we need to encode
        // the incremental cache. If this causes us to deserialize a `Span`, then we may load
        // the hygiene data last to ensure that we encode any `SyntaxContext`s that might be used.