using System.ComponentModel.DataAnnotations.Schema; namespace BankDatabase.Models; class Period { public required string Id { get; set; } public DateTime StartTime { get; set; } public DateTime EndTime { get; set; } public required string StorekeeperId { get; set; } public Storekeeper? Storekeeper { get; set; } [ForeignKey("PeriodId")] public List? CreditPrograms { get; set; } }