{
    "navigator.userAgent$__UA": "str",
    "navigator.appVersion$__UA": "str",
    "navigator.platform$__UA": "str",
    "navigator.oscpu$__UA": "str",
    
    "navigator.appCodeName$__PROD_CODE": "str",
    "navigator.appName$__PROD_CODE": "str",
    "navigator.product$__PROD_CODE": "str",
    "navigator.productSub": "str[/^\\d+$/]",
    "navigator.buildID": "str[/^\\d+$/]",
    
    "screen.height$__SC": "int[>0]",
    "screen.width$__SC": "int[>0]",
    "screen.availHeight$__SC": "int[>=0]",
    "screen.availWidth$__SC": "int[>=0]",
    "screen.availTop": "int[>=0]",
    "screen.availLeft": "int[>=0]",
    "locale:language$__LOCALE": "str",
    "locale:region$__LOCALE": "str",
    "locale:script": "str",
    "geolocation:latitude$__GEO": "double[-90 - 90]",
    "geolocation:longitude$__GEO": "double[-180 - 180]",
    "geolocation:accuracy": "double[>=0]",
    "timezone": "str[/^[\\w_]+/[\\w_]+$/]",

    "locale:all": "str",
    "headers.Accept-Language": "str",
    "navigator.language": "str",
    "navigator.languages": "array[str]",
    
    "headers.User-Agent": "str",
    "headers.Accept-Encoding": "str",
    "navigator.doNotTrack": "str[0, 1, unspecified]",
    "navigator.hardwareConcurrency": "int[>0]",
    "navigator.maxTouchPoints": "int[>=0]",
    "navigator.cookieEnabled": "bool",
    "navigator.globalPrivacyControl": "bool",
    "navigator.onLine": "bool",
    "window.history.length": "int[>=0]",
    "pdfViewerEnabled": "bool",
    
    "window.outerHeight$__W_OUTER": "int[>0]",
    "window.outerWidth$__W_OUTER": "int[>0]",
    "window.innerHeight$__W_INNER": "int[>0]",
    "window.innerWidth$__W_INNER": "int[>0]",

    "screen.colorDepth": "int[>0]",
    "screen.pixelDepth": "int[>0]",
    "screen.pageXOffset": "double",
    "screen.pageYOffset": "double",
    "window.scrollMinX": "int",
    "window.scrollMinY": "int",
    "window.scrollMaxX": "int",
    "window.scrollMaxY": "int",
    "window.screenX": "int",
    "window.screenY": "int",
    "window.devicePixelRatio": "double[>0]",
    
    "document.body.clientWidth$__DOC_BODY": "int[>=0]",
    "document.body.clientHeight$__DOC_BODY": "int[>=0]",
    "document.body.clientTop": "int",
    "document.body.clientLeft": "int",

    "webrtc:ipv4": "@IPV4",
    "webrtc:ipv6": "@IPV6",
    "webrtc:localipv4": "@IPV4",
    "webrtc:localipv6": "@IPV6",

    "@IPV4": "str[/^(?:[0-9]{1,3}\\.){3}[0-9]{1,3}$/]",
    "@IPV6": "str[/^(([0-9a-fA-F]{0,4}:){1,7}[0-9a-fA-F]{0,4})$/]",

    "battery:charging$__BATTERY": "bool",
    "battery:chargingTime$__BATTERY": "double[>=0]",
    "battery:dischargingTime$__BATTERY": "double[>=0]",
    "battery:level$__BATTERY": "double[>0]",

    "fonts": "array[str]",
    "fonts:spacing_seed": "int[>=0]",
    
    "AudioContext:sampleRate": "int[>=0]",
    "AudioContext:outputLatency": "double[>=0]",
    "AudioContext:maxChannelCount": "int[>=0]",

    "mediaDevices:micros": "int[>=0]",
    "mediaDevices:webcams": "int[>=0]",
    "mediaDevices:speakers": "int[>=0]",
    "mediaDevices:enabled": "bool",

    "webGl:renderer$__WEBGL": "str",
    "webGl:vendor$__WEBGL": "str",

    "webGl:supportedExtensions": "array[str[/^[\\w_]+$/]]",
    "webGl2:supportedExtensions": "array[str[/^[\\w_]+$/]]",

    "webGl:parameters": "@WEBGL_PARAMS",
    "webGl2:parameters": "@WEBGL_PARAMS",
    "webGl:parameters:blockIfNotDefined": "bool",
    "webGl2:parameters:blockIfNotDefined": "bool",

    "webGl:shaderPrecisionFormats": "@WEBGL_SHADER_PRECISION_FORMATS",
    "webGl2:shaderPrecisionFormats": "@WEBGL_SHADER_PRECISION_FORMATS",
    "webGl:shaderPrecisionFormats:blockIfNotDefined": "bool",
    "webGl2:shaderPrecisionFormats:blockIfNotDefined": "bool",

    "webGl:contextAttributes": "@WEBGL_CONTEXT_ATTRIBUTES",
    "webGl2:contextAttributes": "@WEBGL_CONTEXT_ATTRIBUTES",

    "@WEBGL_PARAMS": {
        "2849": "int",
        "2884": "bool",
        "2885": "int",
        "2886": "int",
        "2928": "array[int, 2]",
        "2929": "bool",
        "2930": "bool",
        "2931": "int",
        "2932": "int",
        "2960": "bool",
        "2961": "int",
        "2962": "int",
        "2963": "int",
        "2964": "int",
        "2965": "int",
        "2966": "int",
        "2967": "int",
        "2968": "int",
        "2978": "array[int, 4]",
        "3024": "bool",
        "3042": "bool",
        "3074": "int | nil",
        "3088": "array[int, 4]",
        "3089": "bool",
        "3106": "array[int, 4]",
        "3107": "array[bool, 4]",
        "3314": "int | nil",
        "3315": "int | nil",
        "3316": "int | nil",
        "3317": "int",
        "3330": "int | nil",
        "3331": "int | nil",
        "3332": "int | nil",
        "3333": "int",
        "3379": "int",
        "3386": "array[int, 2]",
        "3408": "int",
        "3410": "int",
        "3411": "int",
        "3412": "int",
        "3413": "int",
        "3414": "int",
        "3415": "int",
        "7936": "str",
        "7937": "str",
        "7938": "str",
        "10752": "int",
        "32773": "array[int, 4]",
        "32777": "int",
        "32823": "bool",
        "32824": "int",
        "32873": "nil",
        "32877": "int | nil",
        "32878": "int | nil",
        "32883": "int | nil",
        "32926": "bool",
        "32928": "bool",
        "32936": "int",
        "32937": "int",
        "32938": "int",
        "32939": "bool",
        "32968": "int",
        "32969": "int",
        "32970": "int",
        "32971": "int",
        "33000": "int | nil",
        "33001": "int | nil",
        "33170": "int",
        "33901": "array[double, 2]",
        "33902": "array[double, 2]",
        "34016": "int",
        "34024": "int",
        "34045": "int | nil",
        "34047": "nil",
        "34068": "nil",
        "34076": "int",
        "34467": "nil",
        "34816": "int",
        "34817": "int",
        "34818": "int",
        "34819": "int",
        "34852": "int | nil",
        "34853": "int | nil",
        "34854": "int | nil",
        "34855": "int | nil",
        "34856": "int | nil",
        "34857": "int | nil",
        "34858": "int | nil",
        "34859": "int | nil",
        "34860": "int | nil",
        "34877": "int",
        "34921": "int",
        "34930": "int",
        "34964": "nil",
        "34965": "nil",
        "35071": "int | nil",
        "35076": "int | nil",
        "35077": "int | nil",
        "35371": "int | nil",
        "35373": "int | nil",
        "35374": "int | nil",
        "35375": "int | nil",
        "35376": "int | nil",
        "35377": "int | nil",
        "35379": "int | nil",
        "35380": "int | nil",
        "35657": "int | nil",
        "35658": "int | nil",
        "35659": "int | nil",
        "35660": "int",
        "35661": "int",
        "35723": "int | nil",
        "35724": "str",
        "35725": "nil",
        "35738": "int",
        "35739": "int",
        "35968": "int | nil",
        "35977": "bool | nil",
        "35978": "int | nil",
        "35979": "int | nil",
        "36003": "int",
        "36004": "int",
        "36005": "int",
        "36006": "nil",
        "36007": "nil",
        "36063": "int | nil",
        "36183": "int | nil",
        "36203": "int | nil",
        "36345": "int | nil",
        "36347": "int",
        "36348": "int",
        "36349": "int",
        "36387": "bool | nil",
        "36388": "bool | nil",
        "36392": "nil",
        "36795": "nil",
        "37137": "int | double | nil",
        "37154": "int | nil",
        "37157": "int | nil",
        "37440": "bool",
        "37441": "bool",
        "37443": "int",
        "37444": "nil",
        "37445": "str",
        "37446": "str",
        "37447": "int | nil",
        "38449": "nil"
    },

    "@WEBGL_SHADER_PRECISION_FORMATS": {
        "/^\\d+,\\d+$/": {
            "*rangeMin": "int[>=0]",
            "*rangeMax": "int[>=0]",
            "*precision": "int[>=0]"
        }
    },

    "@WEBGL_CONTEXT_ATTRIBUTES": {
        "alpha": "bool",
        "antialias": "bool",
        "depth": "bool",
        "failIfMajorPerformanceCaveat": "bool",
        "powerPreference": "str[low, high, default]",
        "premultipliedAlpha": "bool",
        "preserveDrawingBuffer": "bool",
        "stencil": "bool"
    },

    "canvas:aaOffset": "int",
    "canvas:aaCapOffset": "bool",

    "voices": "array[@VOICE_TYPE]",
    "voices:blockIfNotDefined": "bool",
    "voices:fakeCompletion": "bool",
    "voices:fakeCompletion:charsPerSecond": "double[>0]",

    "@VOICE_TYPE": {
        "*isLocalService": "bool",
        "*isDefault": "bool",
        "*voiceURI": "str",
        "*name": "str",
        "*lang": "str"
    },

    "humanize": "bool",
    "humanize:maxTime": "double[>=0]",
    "humanize:minTime": "double[>=0]",
    "showcursor": "bool",

    "allowMainWorld": "bool",
    "forceScopeAccess": "bool",
    "enableRemoteSubframes": "bool",
    "disableTheming": "bool",
    "memorysaver": "bool",
    "addons": "array[str]",
    "certificatePaths": "array[str]",
    "certificates": "array[str]",
    "debug": "bool"
}