NET_USERAGENT_DETECT_ACCEPT = 'accept'
NET_USERAGENT_DETECT_ALL = 'all'
NET_USERAGENT_DETECT_BROWSER = 'browser'
NET_USERAGENT_DETECT_FEATURES = 'features'
NET_USERAGENT_DETECT_OS = 'os'
NET_USERAGENT_DETECT_QUIRKS = 'quirks'