namespace Lib
{
     [ComImport, CompilerGenerated, CoClass(typeof(object)), Guid("5D3D2B5F-1AD8-48F7-BC63-DFF7E6BED182"), TypeIdentifier]
    public interface Service : IService

     [ComImport, CompilerGenerated, Guid("1A5BCF9B-039D-4422-9380-274D98D27265"), TypeIdentifier]
    public interface IManager

    // another interfaces...
}