public function cleanup(): void
    {
        foreach ($this->getStore() as $key => $value)
        {
            $this->remove($key);
        }
    }
public function cleanup(): void
    {
        foreach ($this->getStore() as $key => $value)
        {
            $this->remove($key);
        }
    }
public function cleanup ( ) : void { foreach ( $ this -> getStore ( ) as $ key => $ value ) { $ this -> remove ( $ key ) ; } }
cleanup content from container
cleanup content from container