using TheCyclopsContracts.DataModels; namespace TheCyclopsContracts.BusinessLogicContracts; public interface ISalaryBusinessLogicContract { List GetAllSalariesByPeriod(DateTime fromDate, DateTime toDate); List GetAllSalariesByPeriodByEmployee(DateTime fromDate, DateTime toDate, string employeeId); void CalculateSalaryByMounth(DateTime date); }