internal static Model_internal DeserializeModel_internal(JsonElement element)
        {
            ModelInfo_internal   modelInfo   = default;
            KeysResult_internal  keys        = default;
            TrainResult_internal trainResult = default;

            foreach (var property in element.EnumerateObject())
            {
                if (property.NameEquals("modelInfo"))
                {
                    modelInfo = ModelInfo_internal.DeserializeModelInfo_internal(property.Value);
                    continue;
                }
                if (property.NameEquals("keys"))
                {
                    if (property.Value.ValueKind == JsonValueKind.Null)
                    {
                        continue;
                    }
                    keys = KeysResult_internal.DeserializeKeysResult_internal(property.Value);
                    continue;
                }
                if (property.NameEquals("trainResult"))
                {
                    if (property.Value.ValueKind == JsonValueKind.Null)
                    {
                        continue;
                    }
                    trainResult = TrainResult_internal.DeserializeTrainResult_internal(property.Value);
                    continue;
                }
            }
            return(new Model_internal(modelInfo, keys, trainResult));
        }