public Task <Response> Handle(Request request, CancellationToken cancellationToken)
 => Task.FromResult(new Response()
 {
     ServiceProvider = ServiceProviderDto.FromServiceProvider(_repository.Query <ServiceProvider>().Single(x => x.ServiceProviderId == request.ServiceProviderId))
 });
 public Task <Response> Handle(Request request, CancellationToken cancellationToken)
 => Task.FromResult(new Response()
 {
     ServiceProviders = _repository.Query <ServiceProvider>().Select(x => ServiceProviderDto.FromServiceProvider(x)).ToList()
 });