Converting null literal or possible null value to non-nullable type.

Dereference of a possibly null reference.

Possible null reference assignment.

Non-nullable field 'Credential' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.

Non-nullable field 'Extensions' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.

Non-nullable field 'First' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.

Non-nullable field 'Second' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.

Non-nullable field 'AuthenticatorData' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.

Non-nullable field 'Signature' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.