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

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

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

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

The type 'app.Services.RunnerService?' cannot be used as type parameter 'THostedService' in the generic type or method 'ServiceCollectionHostedServiceExtensions.AddHostedService<THostedService>(IServiceCollection, Func<IServiceProvider, THostedService>)'. Nullability of type argument 'app.Services.RunnerService?' doesn't match 'class' constraint.

The type 'app.Services.RunnerService?' cannot be used as type parameter 'THostedService' in the generic type or method 'ServiceCollectionHostedServiceExtensions.AddHostedService<THostedService>(IServiceCollection, Func<IServiceProvider, THostedService>)'. Nullability of type argument 'app.Services.RunnerService?' doesn't match constraint type 'Microsoft.Extensions.Hosting.IHostedService'.