Possible null reference argument for parameter 'type' in 'IEnumerable<Type> TypeExtensions.BaseTypesAndSelf(Type type)'.

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

Cannot convert null literal to non-nullable reference type.

Cannot convert null literal to non-nullable reference type.

Nullability of reference types in type of parameter 'snapshotData' of 'bool SnapshotFileHandler.TryReadSnapshot(SnapshotFullName snapshotFullName, out string? snapshotData)' doesn't match implicitly implemented member 'bool ISnapshotFileHandler.TryReadSnapshot(SnapshotFullName snapshotFullName, out string snapshotData)' (possibly because of nullability attributes).

Nullability of type of parameter 'value' doesn't match overridden member (possibly because of nullability attributes).

Nullability of type of parameter 'existingValue' doesn't match overridden member (possibly because of nullability attributes).

Nullability of type of parameter 'text' doesn't match overridden member (possibly because of nullability attributes).

Nullability of type of parameter 'value' doesn't match overridden member (possibly because of nullability attributes).