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

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

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

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

Possible null reference argument for parameter 'implementationInstance' in 'IServiceCollection ServiceCollectionServiceExtensions.AddSingleton<ILogger>(IServiceCollection services, ILogger implementationInstance)'.

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

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

The variable 'level' is assigned but its value is never used

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