private void Update()
        {
            if (Input.GetKeyDown(KeyCode.Space))
            {
                _healthSystem.ApplyDamage(10);
            }

            if (Input.GetKeyDown(KeyCode.H))
            {
                _healthSystem.AddHealingEffect(new PeriodicHealingEffect(1, 5, true, 4));
            }

            if (Input.GetKeyDown(KeyCode.D))
            {
                _healthSystem.AddDamageEffect(new PeriodicDamageEffect(1, 4, false, 10));
            }

            if (Input.GetKeyDown(KeyCode.S))
            {
                _healthSystem.ToggleSelfHealing();
            }

            if (Input.GetKeyDown(KeyCode.C))
            {
                _healthSystem.ClearPeriodicEffects();
            }
        }