using System.Text.Json.Serialization; namespace OI.Metrology.Shared.Models; public record Attachment(string? SubGroupId, long? HeaderId, string? HeaderIdDirectory, string? UniqueId, string? DestinationFileName, string? SourceFileName, string? AttachmentId); [JsonSourceGenerationOptions(WriteIndented = true, DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull)] [JsonSerializable(typeof(Attachment))] public partial class AttachmentSourceGenerationContext : JsonSerializerContext { }