{
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    "properties": {
      "inset-inline-start": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/inset-inline-start",
          "support": {
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              "flags": [
                {
                  "type": "preference",
                  "name": "enable-experimental-web-platform-features",
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                }
              ]
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              "flags": [
                {
                  "type": "preference",
                  "name": "enable-experimental-web-platform-features",
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                }
              ]
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              "flags": [
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                  "type": "preference",
                  "name": "enable-experimental-web-platform-features",
                  "value_to_set": "enabled"
                }
              ]
            },
            "firefox": [
              {
                "version_added": "63"
              },
              {
                "alternative_name": "offset-inline-start",
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                "version_removed": "63"
              },
              {
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                "version_removed": "51",
                "flags": [
                  {
                    "type": "preference",
                    "name": "layout.css.vertical-text.enabled",
                    "value_to_set": "true"
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              },
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                "alternative_name": "offset-inline-start",
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                "version_removed": "63"
              },
              {
                "version_added": "38",
                "version_removed": "51",
                "flags": [
                  {
                    "type": "preference",
                    "name": "layout.css.vertical-text.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "56",
              "flags": [
                {
                  "type": "preference",
                  "name": "enable-experimental-web-platform-features",
                  "value_to_set": "enabled"
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                {
                  "type": "preference",
                  "name": "enable-experimental-web-platform-features",
                  "value_to_set": "enabled"
                }
              ]
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}