private function clear():int
    {
        return (($this->is_base)? JL::put($this->mercure_path_base, "") :
            JL::put($this->mercure_path, ""));
    }
private function clear():int
    {
        return (($this->is_base)? JL::put($this->mercure_path_base, "") :
            JL::put($this->mercure_path, ""));
    }
private function clear ( ) : int { return ( ( $ this -> is_base ) ? JL :: put ( $ this -> mercure_path_base , "" ) : JL :: put ( $ this -> mercure_path , "" ) ) ; }
Clear routing js file
@return int Operation is a success
Clear routing js file