{
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  "mode": "no-quirks",
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          },
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        },
        {
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              "children": [
                {
                  "type": "Text",
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                    "start": 5,
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                  },
                  "value": "foo"
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              ],
              "content": null
            }
          ],
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        }
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      "content": null
    }
  ]
}