{
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            },
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          ],
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          "tags": [
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            "deprecated": false
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        }
      },
      "notRestoredReasons": {
        "__compat": {
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          "spec_url": "https://w3c.github.io/navigation-timing/#dom-performancenavigationtiming-notrestoredreasons",
          "tags": [
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      "toJSON": {
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}