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

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

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

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

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

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

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

Possible null reference argument for parameter 'cipherString' in 'string ConnectionStrings.Decrypt(string cipherString)'.

Possible null reference argument for parameter 'cipherString' in 'string ConnectionStrings.Decrypt(string cipherString)'.