function applicationCacheStatus () {
    deprecate(
        'applicationCacheStatus',
        this.options.deprecationWarnings,
        'This command is not part of the W3C WebDriver spec and won\'t be supported in ' +
        'future versions of the driver.'
    )
    return this.requestHandler.create('/session/:sessionId/application_cache/status')
}
Get the status of the html5 application cache.

This command is deprecated and will be removed soon. Make sure you don't use it in your
automation/test scripts anymore to avoid errors.

@return {Number} Status code for application cache: **{UNCACHED = 0, IDLE = 1, CHECKING = 2, DOWNLOADING = 3, UPDATE_READY = 4, OBSOLETE = 5}**

@see  https://github.com/SeleniumHQ/selenium/wiki/JsonWireProtocol#sessionsessionidapplication_cachestatus
@type protocol
@deprecated