using NorthBridgeContract.DataModels; namespace NorthBridgeContract.BusinessLogicsContracts; public interface IManufacturerBusinessLogicContract { List GetAllManufacturers(); ManufacturerDataModel GetManufacturerByData(string data); void InsertManufacturer(ManufacturerDataModel manufacturerDataModel); void UpdateManufacturer(ManufacturerDataModel manufacturerDataModel); void DeleteManufacturer(string id); }