abstract fun enableValidationFailureHandler(enable: Boolean): DesignDrivenRouterFactory<Any>
Enable or disable validation failure handler. If you enable it, during router creation it will be mounted a built-in (or custom with function DesignDrivenRouterFactory#setValidationFailureHandler(Handler)) ValidationException handler as a failure handler. If failure is different from ValidationException, it will be called the next failure handler.
Return