{
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                    "type": "preference",
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      "lang": {
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          "mdn_url": "https://developer.mozilla.org/docs/Web/API/SpeechSynthesisVoice/lang",
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            },
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                    "type": "preference",
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      "localService": {
        "__compat": {
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          "mdn_url": "https://developer.mozilla.org/docs/Web/API/SpeechSynthesisVoice/voiceURI",
          "support": {
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            },
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            },
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    }
  }
}