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

Possible null reference return.

Possible null reference argument for parameter 'item' in 'void ICollection<string>.Add(string item)'.

Possible null reference argument for parameter 'uriString' in 'Uri.Uri(string uriString)'.

Argument of type 'string?[]' cannot be used for parameter 'authorizedUrls' of type 'IEnumerable<string>' in 'AuthorizationMessageHandler AuthorizationMessageHandler.ConfigureHandler(IEnumerable<string> authorizedUrls, IEnumerable<string>? scopes = null, string? returnUrl = null)' due to differences in the nullability of reference types.

Possible null reference assignment.

Cannot convert null literal to non-nullable reference type.

Cannot convert null literal to non-nullable reference type.

Possible null reference assignment.