public function __construct(array $state, EventBusInterface $event_bus, Closure $strategy_callback, SettingsInterface $settings = null)
{
parent::__construct($state);
$this->event_bus = $event_bus;
$this->strategy_callback = $strategy_callback;
$this->settings = $settings ?: new Settings();
}
public function __construct(CommandBusInterface $command_bus, array $state)
{
parent::__construct($state);
$this->command_bus = $command_bus;
}