private void LoadAssemblies()
        {
            var configuration = new HttpConfiguration(new HttpRouteCollection());
            IAssembliesResolver assembliesResolver = new AnotherAssemblyResolver();
            configuration.Services.Replace(typeof(IAssembliesResolver), assembliesResolver);

            configuration.MapHttpAttributeRoutes();
            configuration.EnsureInitialized();
            var apiExplorer = new ApiExplorer(configuration);
            var descriptions = apiExplorer.ApiDescriptions;
            ApiGroups = descriptions.Any() ?
                descriptions
                .GroupBy(d => d.ActionDescriptor.ControllerDescriptor.ControllerName)
                .ToDictionary(para => para.Key, para => para.ToList()) : new Dictionary<string, List<ApiDescription>>();
        }