'Program.Program()': new protected member declared in sealed type

Possible null reference argument for parameter 'topicArn' in 'NotificationService.NotificationService(IAmazonSimpleNotificationService amazonSimpleNotificationService, string topicArn)'.

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

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

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

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

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

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

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

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

'Program.Program()': new protected member declared in sealed type

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

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

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

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

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

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

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

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

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

'Program.Program()': new protected member declared in sealed type

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

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

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

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

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

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

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

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