/// <summary>
        /// Deserialize JSON into a FHIR QuestionnaireResponse#Item
        /// </summary>
        public static void DeserializeJson(this QuestionnaireResponse.ItemComponent current, ref Utf8JsonReader reader, JsonSerializerOptions options)
        {
            string propertyName;

            while (reader.Read())
            {
                if (reader.TokenType == JsonTokenType.EndObject)
                {
                    return;
                }

                if (reader.TokenType == JsonTokenType.PropertyName)
                {
                    propertyName = reader.GetString();
                    if (Hl7.Fhir.Serialization.FhirSerializerOptions.Debug)
                    {
                        Console.WriteLine($"QuestionnaireResponse.ItemComponent >>> QuestionnaireResponse#Item.{propertyName}, depth: {reader.CurrentDepth}, pos: {reader.BytesConsumed}");
                    }
                    reader.Read();
                    current.DeserializeJsonProperty(ref reader, options, propertyName);
                }
            }

            throw new JsonException($"QuestionnaireResponse.ItemComponent: invalid state! depth: {reader.CurrentDepth}, pos: {reader.BytesConsumed}");
        }
        /// <summary>
        /// Deserialize JSON into a FHIR QuestionnaireResponse#Item
        /// </summary>
        public static void DeserializeJsonProperty(this QuestionnaireResponse.ItemComponent current, ref Utf8JsonReader reader, JsonSerializerOptions options, string propertyName)
        {
            switch (propertyName)
            {
            case "linkId":
                if (reader.TokenType == JsonTokenType.Null)
                {
                    current.LinkIdElement = new FhirString();
                    reader.Skip();
                }
                else
                {
                    current.LinkIdElement = new FhirString(reader.GetString());
                }
                break;

            case "_linkId":
                if (current.LinkIdElement == null)
                {
                    current.LinkIdElement = new FhirString();
                }
                ((Hl7.Fhir.Model.Element)current.LinkIdElement).DeserializeJson(ref reader, options);
                break;

            case "definition":
                if (reader.TokenType == JsonTokenType.Null)
                {
                    current.DefinitionElement = new FhirUri();
                    reader.Skip();
                }
                else
                {
                    current.DefinitionElement = new FhirUri(reader.GetString());
                }
                break;

            case "_definition":
                if (current.DefinitionElement == null)
                {
                    current.DefinitionElement = new FhirUri();
                }
                ((Hl7.Fhir.Model.Element)current.DefinitionElement).DeserializeJson(ref reader, options);
                break;

            case "text":
                if (reader.TokenType == JsonTokenType.Null)
                {
                    current.TextElement = new FhirString();
                    reader.Skip();
                }
                else
                {
                    current.TextElement = new FhirString(reader.GetString());
                }
                break;

            case "_text":
                if (current.TextElement == null)
                {
                    current.TextElement = new FhirString();
                }
                ((Hl7.Fhir.Model.Element)current.TextElement).DeserializeJson(ref reader, options);
                break;

            case "answer":
                if ((reader.TokenType != JsonTokenType.StartArray) || (!reader.Read()))
                {
                    throw new JsonException($"ItemComponent error reading 'answer' expected StartArray, found {reader.TokenType}! depth: {reader.CurrentDepth}, pos: {reader.BytesConsumed}");
                }

                current.Answer = new List <QuestionnaireResponse.AnswerComponent>();

                while (reader.TokenType != JsonTokenType.EndArray)
                {
                    Hl7.Fhir.Model.QuestionnaireResponse.AnswerComponent v_Answer = new Hl7.Fhir.Model.QuestionnaireResponse.AnswerComponent();
                    v_Answer.DeserializeJson(ref reader, options);
                    current.Answer.Add(v_Answer);

                    if (!reader.Read())
                    {
                        throw new JsonException($"ItemComponent error reading 'answer' array, read failed! depth: {reader.CurrentDepth}, pos: {reader.BytesConsumed}");
                    }
                    if (reader.TokenType == JsonTokenType.EndObject)
                    {
                        reader.Read();
                    }
                }

                if (current.Answer.Count == 0)
                {
                    current.Answer = null;
                }
                break;

            case "item":
                if ((reader.TokenType != JsonTokenType.StartArray) || (!reader.Read()))
                {
                    throw new JsonException($"ItemComponent error reading 'item' expected StartArray, found {reader.TokenType}! depth: {reader.CurrentDepth}, pos: {reader.BytesConsumed}");
                }

                current.Item = new List <QuestionnaireResponse.ItemComponent>();

                while (reader.TokenType != JsonTokenType.EndArray)
                {
                    Hl7.Fhir.Model.QuestionnaireResponse.ItemComponent v_Item = new Hl7.Fhir.Model.QuestionnaireResponse.ItemComponent();
                    v_Item.DeserializeJson(ref reader, options);
                    current.Item.Add(v_Item);

                    if (!reader.Read())
                    {
                        throw new JsonException($"ItemComponent error reading 'item' array, read failed! depth: {reader.CurrentDepth}, pos: {reader.BytesConsumed}");
                    }
                    if (reader.TokenType == JsonTokenType.EndObject)
                    {
                        reader.Read();
                    }
                }

                if (current.Item.Count == 0)
                {
                    current.Item = null;
                }
                break;

            // Complex: item, Export: ItemComponent, Base: BackboneElement
            default:
                ((Hl7.Fhir.Model.BackboneElement)current).DeserializeJsonProperty(ref reader, options, propertyName);
                break;
            }
        }
        /// <summary>
        /// Serialize a FHIR QuestionnaireResponse#Item into JSON
        /// </summary>
        public static void SerializeJson(this QuestionnaireResponse.ItemComponent current, Utf8JsonWriter writer, JsonSerializerOptions options, bool includeStartObject = true)
        {
            if (includeStartObject)
            {
                writer.WriteStartObject();
            }
            // Component: QuestionnaireResponse#Item, Export: ItemComponent, Base: BackboneElement (BackboneElement)
            ((Hl7.Fhir.Model.BackboneElement)current).SerializeJson(writer, options, false);

            writer.WriteString("linkId", current.LinkIdElement.Value);

            if (current.DefinitionElement != null)
            {
                if (!string.IsNullOrEmpty(current.DefinitionElement.Value))
                {
                    writer.WriteString("definition", current.DefinitionElement.Value);
                }
                if (current.DefinitionElement.HasExtensions() || (!string.IsNullOrEmpty(current.DefinitionElement.ElementId)))
                {
                    JsonStreamUtilities.SerializeExtensionList(writer, options, "_definition", false, current.DefinitionElement.Extension, current.DefinitionElement.ElementId);
                }
            }

            if (current.TextElement != null)
            {
                if (!string.IsNullOrEmpty(current.TextElement.Value))
                {
                    writer.WriteString("text", current.TextElement.Value);
                }
                if (current.TextElement.HasExtensions() || (!string.IsNullOrEmpty(current.TextElement.ElementId)))
                {
                    JsonStreamUtilities.SerializeExtensionList(writer, options, "_text", false, current.TextElement.Extension, current.TextElement.ElementId);
                }
            }

            if ((current.Answer != null) && (current.Answer.Count != 0))
            {
                writer.WritePropertyName("answer");
                writer.WriteStartArray();
                foreach (QuestionnaireResponse.AnswerComponent val in current.Answer)
                {
                    val.SerializeJson(writer, options, true);
                }
                writer.WriteEndArray();
            }

            if ((current.Item != null) && (current.Item.Count != 0))
            {
                writer.WritePropertyName("item");
                writer.WriteStartArray();
                foreach (QuestionnaireResponse.ItemComponent val in current.Item)
                {
                    val.SerializeJson(writer, options, true);
                }
                writer.WriteEndArray();
            }

            if (includeStartObject)
            {
                writer.WriteEndObject();
            }
        }