PHP \DesignPatterns\Behavioral\Mediator\Colleague \DesignPatterns\Behavioral\Mediator\Subsystem\Database \DesignPatterns\Behavioral\Mediator\MediatorInterface \DesignPatterns\Behavioral\Mediator\Subsystem\Client \DesignPatterns\Behavioral\Mediator\Mediator \DesignPatterns\Behavioral\Mediator\Subsystem\Server \DesignPatterns\Behavioral\Mediator\Colleague Fields Constants Constructors Methods private