Nullable value type may be null.

Possible null reference argument for parameter 'source' in 'IEnumerable<string> Enumerable.Select<Address, string>(IEnumerable<Address> source, Func<Address, string> selector)'.

Nullable value type may be null.

Possible null reference argument for parameter 'source' in 'IEnumerable<string> Enumerable.Select<Address, string>(IEnumerable<Address> source, Func<Address, string> selector)'.

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

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

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

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

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