Possible null reference assignment.

Possible null reference assignment.

Non-nullable property 'Quality' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable property 'PixelFormat' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable property 'Abbreviation' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable property 'Value' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable property 'Description' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable property 'Tunes' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable property 'Value' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.