PHP \DesignPatterns\Creational\Builder\BikeBuilder \DesignPatterns\Creational\Builder\Parts\Door \DesignPatterns\Creational\Builder\Parts\Engine \DesignPatterns\Creational\Builder\CarBuilder \DesignPatterns\Creational\Builder\Parts\Wheel \DesignPatterns\Creational\Builder\Parts\Bike \DesignPatterns\Creational\Builder\Parts\Car \DesignPatterns\Creational\Builder\BikeBuilder \DesignPatterns\Creational\Builder\BuilderInterface \DesignPatterns\Creational\Builder\Parts\Vehicle \DesignPatterns\Creational\Builder\Director Fields Constants Constructors Methods private