namespace General_Ledger_Service.Models { public class CostCenter { public long CostCenterId { get; set; } public string Code { get; set; } = string.Empty; public string Name { get; set; } = string.Empty; public long? ParentCostCenterId { get; set; } public bool IsActive { get; set; } public DateTime CreatedAt { get; set; } public CostCenter? ParentCostCenter { get; set; } } }