Reflection Registration

ConfigurationService.cs

public class ConfigurationService : IConfigurationService
{        
    public ConfigurationService(IDataService dataService)
    {
      _configurationSet = dataService.GetConfigurationSet();
    }

    public ITriangleConfiguration TriangleConfiguration => _configurationSet.TriangleConfiguration;
    public ISquareConfiguration SquareConfiguration => _configurationSet.SquareConfiguration;
    public ICircleConfiguration CircleConfiguration => _configurationSet.CircleConfiguration;
    
    private readonly ConfigurationSet _configurationSet;
}

IConfigurationService.cs

public interface IConfigurationService 
{
  ITriangleConfiguration TriangleConfiguration { get; }
  ISquareConfiguration SquareConfiguration { get; }
  ICircleConfiguration CircleConfiguration { get; }
}

Startup.cs

var builder = new ContainerBuilder();
  
builder.Register<ConfigurationService>().AsImplementedInterfaces().SingleInstance();
 
 // Register the configurations from the ConfigurationService as their respective interfaces
foreach (var property in typeof(IConfigurationService).GetProperties())
{
  builder
    .Register(c => property.GetValue(c.Resolve<IConfigurationService>()))
    .As(property.PropertyType);
}