{
    "flags": {
        "feature": {
            "__compat": {
                "support": {
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                        "version_added": "10",
                        "flags": [
                            {
                                "type": "preference",
                                "name": "Enable experimental Web Platform features"
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                    },
                    "chrome_android": {
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                        "version_removed": "60",
                        "flags": [
                            {
                                "type": "compile_flag",
                                "name": "--datetime-format-to-parts"
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                        ]
                    },
                    "firefox": [
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                        {
                            "version_added": "5",
                            "flags": [
                                {
                                    "type": "preference",
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                                "type": "runtime_flag",
                                "name": "--number-format-to-parts"
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                        "flags": [
                            {
                                "type": "preference",
                                "name": "foo.enabled"
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                            {
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                    }
                }
            }
        }
    }
}