/**
 * @var DiInterface|null
 */
protected container;

/**
 * @var string
 */
protected defaultModule = "";

/**
 * @var ManagerInterface|null
 */
protected eventsManager;

/**
 * @var array
 */
protected modules;

public function __construct( DiInterface $container = null );

public function getDefaultModule(): string;

public function getEventsManager(): ManagerInterface | null;

public function getModule( string $name ): array | object;

public function getModules(): array;

public function registerModules( array $modules, bool $merge = bool ): AbstractApplication;

$this->registerModules(
    [
        "frontend" => [
            "className" => \Multiple\Frontend\Module::class,
            "path"      => "../apps/frontend/Module.php",
        ],
        "backend" => [
            "className" => \Multiple\Backend\Module::class,
            "path"      => "../apps/backend/Module.php",
        ],
    ]
);

public function setDefaultModule( string $defaultModule ): AbstractApplication;

public function setEventsManager( ManagerInterface $eventsManager ): void;