public async Task <ServiceResult <CreateCategoryResponseBo> > CreateCategoryAsync(CreateCategoryRequestBo category, CancellationToken token)
{
Contract.Requires(category.IsNotNull());
Contract.Requires(token.IsNotNull());
Contract.Ensures(Contract.Result <ServiceResult <CreateCategoryResponseBo> >().IsNotNull());
return(default(ServiceResult <CreateCategoryResponseBo>));
}