Tests for navigator functions accessed data collection in ResourceLoadStatistics plist by querying for all the navigator properties and dumping the entire resource load statistics map.
Resource load statistics:

High level domain: 127.0.0.1
    lastSeen: 0
    hadUserInteraction: No
    mostRecentUserInteraction: -1
    grandfathered: No
    isPrevalentResource: No
    isVeryPrevalentResource: No
    dataRecordsRemoved: 0
    fontsSuccessfullyLoaded:
        Times
    topFrameRegistrableDomainsWhichAccessedWebAPIs:
        127.0.0.1: 8
    navigatorFunctionsAccessed:
        appVersion
        userAgent
        plugins
        mimeTypes
        cookieEnabled
        javaEnabled
    canvasReadData: No