UnityEngine.QualitySettings.IncreaseLevel C# (CSharp) Method

        public static void IncreaseLevel()
        {
            bool applyExpensiveChanges = false;
            IncreaseLevel(applyExpensiveChanges);
        }

 public static void IncreaseLevel()
 {
     QualitySettings.IncreaseLevel(false);
 }