IServiceContainer.cs

using System.Runtime.InteropServices;

namespace System.ComponentModel.Design
{
    [ComVisible(true)]
    public interface IServiceContainer : IServiceProvider
    {
        void AddService(Type serviceType, object serviceInstance);

        void AddService(Type serviceType, object serviceInstance, bool promote);

        void AddService(Type serviceType, ServiceCreatorCallback callback);

        void AddService(Type serviceType, ServiceCreatorCallback callback, bool promote);

        void RemoveService(Type serviceType);

        void RemoveService(Type serviceType, bool promote);
    }
}