function imeActiveEngine () {
    deprecate(
        'imeActiveEngine',
        this.options.deprecationWarnings,
        'This command is not part of the W3C WebDriver spec and won\'t be supported in ' +
        'future versions of the driver. There is currently no known replacement for this ' +
        'action.'
    )
    return this.requestHandler.create('/session/:sessionId/ime/active_engine')
}
Get the name of the active IME engine. The name string is platform specific.

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 {String} engine   The name of the active IME engine.

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