using System.ComponentModel.DataAnnotations; using System.Text.Json.Serialization; namespace RobotNet.VDA5050.Factsheet; public class Envelopes3d { [Required] [JsonPropertyName("set")] public string Set { get; set; } = string.Empty; [Required] [JsonPropertyName("format")] public string Format { get; set; } = string.Empty; [JsonPropertyName("data")] public object? Data { get; set; } [JsonPropertyName("url")] public string Url { get; set; } = string.Empty; [JsonPropertyName("description")] public string Description { get; set; } = string.Empty; }