using TravelAgencyContracts.BindingModels; using TravelAgencyContracts.SearchModels; using TravelAgencyContracts.ViewModels; namespace TravelAgencyContracts.BusinessLogicsContracts { public interface IExcursionGroupLogic { List? ReadList(ExcursionGroupSearchModel? model); ExcursionGroupViewModel? ReadElement(ExcursionGroupSearchModel model); bool Create(ExcursionGroupBindingModel model); bool Update(ExcursionGroupBindingModel model); bool Delete(ExcursionGroupBindingModel model); } }