PHP \DesignPatterns\Structural\Bridge\Vehicle \DesignPatterns\Structural\Bridge\Workshop \DesignPatterns\Structural\Bridge\Car \DesignPatterns\Structural\Bridge\Produce \DesignPatterns\Structural\Bridge\Motorcycle \DesignPatterns\Structural\Bridge\Assemble \DesignPatterns\Structural\Bridge\Vehicle Fields Constants Constructors Methods private