/// <summary>
        /// Deserialize JSON into a FHIR ObservationDefinition
        /// </summary>
        public static void DeserializeJson(this ObservationDefinition 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($"ObservationDefinition >>> ObservationDefinition.{propertyName}, depth: {reader.CurrentDepth}, pos: {reader.BytesConsumed}");
                    }
                    reader.Read();
                    current.DeserializeJsonProperty(ref reader, options, propertyName);
                }
            }

            throw new JsonException($"ObservationDefinition: invalid state! depth: {reader.CurrentDepth}, pos: {reader.BytesConsumed}");
        }
        /// <summary>
        /// Serialize a FHIR ObservationDefinition into JSON
        /// </summary>
        public static void SerializeJson(this ObservationDefinition current, Utf8JsonWriter writer, JsonSerializerOptions options, bool includeStartObject = true)
        {
            if (includeStartObject)
            {
                writer.WriteStartObject();
            }
            writer.WriteString("resourceType", "ObservationDefinition");
            // Complex: ObservationDefinition, Export: ObservationDefinition, Base: DomainResource (DomainResource)
            ((Hl7.Fhir.Model.DomainResource)current).SerializeJson(writer, options, false);

            if ((current.Category != null) && (current.Category.Count != 0))
            {
                writer.WritePropertyName("category");
                writer.WriteStartArray();
                foreach (CodeableConcept val in current.Category)
                {
                    val.SerializeJson(writer, options, true);
                }
                writer.WriteEndArray();
            }

            writer.WritePropertyName("code");
            current.Code.SerializeJson(writer, options);

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

            if ((current.PermittedDataTypeElement != null) && (current.PermittedDataTypeElement.Count != 0))
            {
                int valueCount     = 0;
                int extensionCount = 0;
                foreach (Code <Hl7.Fhir.Model.ObservationDefinition.ObservationDataType> val in current.PermittedDataTypeElement)
                {
                    if (val.Value != null)
                    {
                        valueCount++;
                    }
                    if (val.HasExtensions())
                    {
                        extensionCount++;
                    }
                }

                if (valueCount > 0)
                {
                    writer.WritePropertyName("permittedDataType");
                    writer.WriteStartArray();
                    foreach (Code <Hl7.Fhir.Model.ObservationDefinition.ObservationDataType> val in current.PermittedDataTypeElement)
                    {
                        if (val.Value == null)
                        {
                            writer.WriteNullValue();
                        }
                        else
                        {
                            writer.WriteStringValue(Hl7.Fhir.Utility.EnumUtility.GetLiteral(val.Value));
                        }
                    }

                    writer.WriteEndArray();
                }

                if (extensionCount > 0)
                {
                    writer.WritePropertyName("_permittedDataType");
                    writer.WriteStartArray();
                    foreach (Code <Hl7.Fhir.Model.ObservationDefinition.ObservationDataType> val in current.PermittedDataTypeElement)
                    {
                        if (val.HasExtensions() || (!string.IsNullOrEmpty(val.ElementId)))
                        {
                            JsonStreamUtilities.SerializeExtensionList(writer, options, string.Empty, true, val.Extension, val.ElementId);
                        }
                        else
                        {
                            writer.WriteNullValue();
                        }
                    }

                    writer.WriteEndArray();
                }
            }

            if (current.MultipleResultsAllowedElement != null)
            {
                if (current.MultipleResultsAllowedElement.Value != null)
                {
                    writer.WriteBoolean("multipleResultsAllowed", (bool)current.MultipleResultsAllowedElement.Value);
                }
                if (current.MultipleResultsAllowedElement.HasExtensions() || (!string.IsNullOrEmpty(current.MultipleResultsAllowedElement.ElementId)))
                {
                    JsonStreamUtilities.SerializeExtensionList(writer, options, "_multipleResultsAllowed", false, current.MultipleResultsAllowedElement.Extension, current.MultipleResultsAllowedElement.ElementId);
                }
            }

            if (current.Method != null)
            {
                writer.WritePropertyName("method");
                current.Method.SerializeJson(writer, options);
            }

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

            if (current.QuantitativeDetails != null)
            {
                writer.WritePropertyName("quantitativeDetails");
                current.QuantitativeDetails.SerializeJson(writer, options);
            }

            if ((current.QualifiedInterval != null) && (current.QualifiedInterval.Count != 0))
            {
                writer.WritePropertyName("qualifiedInterval");
                writer.WriteStartArray();
                foreach (ObservationDefinition.QualifiedIntervalComponent val in current.QualifiedInterval)
                {
                    val.SerializeJson(writer, options, true);
                }
                writer.WriteEndArray();
            }

            if (current.ValidCodedValueSet != null)
            {
                writer.WritePropertyName("validCodedValueSet");
                current.ValidCodedValueSet.SerializeJson(writer, options);
            }

            if (current.NormalCodedValueSet != null)
            {
                writer.WritePropertyName("normalCodedValueSet");
                current.NormalCodedValueSet.SerializeJson(writer, options);
            }

            if (current.AbnormalCodedValueSet != null)
            {
                writer.WritePropertyName("abnormalCodedValueSet");
                current.AbnormalCodedValueSet.SerializeJson(writer, options);
            }

            if (current.CriticalCodedValueSet != null)
            {
                writer.WritePropertyName("criticalCodedValueSet");
                current.CriticalCodedValueSet.SerializeJson(writer, options);
            }

            if (includeStartObject)
            {
                writer.WriteEndObject();
            }
        }
        /// <summary>
        /// Deserialize JSON into a FHIR ObservationDefinition
        /// </summary>
        public static void DeserializeJsonProperty(this ObservationDefinition current, ref Utf8JsonReader reader, JsonSerializerOptions options, string propertyName)
        {
            switch (propertyName)
            {
            case "category":
                if ((reader.TokenType != JsonTokenType.StartArray) || (!reader.Read()))
                {
                    throw new JsonException($"ObservationDefinition error reading 'category' expected StartArray, found {reader.TokenType}! depth: {reader.CurrentDepth}, pos: {reader.BytesConsumed}");
                }

                current.Category = new List <CodeableConcept>();

                while (reader.TokenType != JsonTokenType.EndArray)
                {
                    Hl7.Fhir.Model.CodeableConcept v_Category = new Hl7.Fhir.Model.CodeableConcept();
                    v_Category.DeserializeJson(ref reader, options);
                    current.Category.Add(v_Category);

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

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

            case "code":
                current.Code = new Hl7.Fhir.Model.CodeableConcept();
                ((Hl7.Fhir.Model.CodeableConcept)current.Code).DeserializeJson(ref reader, options);
                break;

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

                current.Identifier = new List <Identifier>();

                while (reader.TokenType != JsonTokenType.EndArray)
                {
                    Hl7.Fhir.Model.Identifier v_Identifier = new Hl7.Fhir.Model.Identifier();
                    v_Identifier.DeserializeJson(ref reader, options);
                    current.Identifier.Add(v_Identifier);

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

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

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

                current.PermittedDataTypeElement = new List <Code <Hl7.Fhir.Model.ObservationDefinition.ObservationDataType> >();

                while (reader.TokenType != JsonTokenType.EndArray)
                {
                    if (reader.TokenType == JsonTokenType.Null)
                    {
                        current.PermittedDataTypeElement.Add(new Code <Hl7.Fhir.Model.ObservationDefinition.ObservationDataType>());
                        reader.Skip();
                    }
                    else
                    {
                        current.PermittedDataTypeElement.Add(new Code <Hl7.Fhir.Model.ObservationDefinition.ObservationDataType>(Hl7.Fhir.Utility.EnumUtility.ParseLiteral <Hl7.Fhir.Model.ObservationDefinition.ObservationDataType>(reader.GetString())));
                    }

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

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

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

                int i_permittedDataType = 0;

                while (reader.TokenType != JsonTokenType.EndArray)
                {
                    if (i_permittedDataType >= current.PermittedDataTypeElement.Count)
                    {
                        current.PermittedDataTypeElement.Add(new Code <Hl7.Fhir.Model.ObservationDefinition.ObservationDataType>());
                    }
                    if (reader.TokenType == JsonTokenType.Null)
                    {
                        reader.Skip();
                    }
                    else
                    {
                        ((Hl7.Fhir.Model.Element)current.PermittedDataTypeElement[i_permittedDataType++]).DeserializeJson(ref reader, options);
                    }

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

            case "multipleResultsAllowed":
                if (reader.TokenType == JsonTokenType.Null)
                {
                    current.MultipleResultsAllowedElement = new FhirBoolean();
                    reader.Skip();
                }
                else
                {
                    current.MultipleResultsAllowedElement = new FhirBoolean(reader.GetBoolean());
                }
                break;

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

            case "method":
                current.Method = new Hl7.Fhir.Model.CodeableConcept();
                ((Hl7.Fhir.Model.CodeableConcept)current.Method).DeserializeJson(ref reader, options);
                break;

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

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

            case "quantitativeDetails":
                current.QuantitativeDetails = new Hl7.Fhir.Model.ObservationDefinition.QuantitativeDetailsComponent();
                ((Hl7.Fhir.Model.ObservationDefinition.QuantitativeDetailsComponent)current.QuantitativeDetails).DeserializeJson(ref reader, options);
                break;

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

                current.QualifiedInterval = new List <ObservationDefinition.QualifiedIntervalComponent>();

                while (reader.TokenType != JsonTokenType.EndArray)
                {
                    Hl7.Fhir.Model.ObservationDefinition.QualifiedIntervalComponent v_QualifiedInterval = new Hl7.Fhir.Model.ObservationDefinition.QualifiedIntervalComponent();
                    v_QualifiedInterval.DeserializeJson(ref reader, options);
                    current.QualifiedInterval.Add(v_QualifiedInterval);

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

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

            case "validCodedValueSet":
                current.ValidCodedValueSet = new Hl7.Fhir.Model.ResourceReference();
                ((Hl7.Fhir.Model.ResourceReference)current.ValidCodedValueSet).DeserializeJson(ref reader, options);
                break;

            case "normalCodedValueSet":
                current.NormalCodedValueSet = new Hl7.Fhir.Model.ResourceReference();
                ((Hl7.Fhir.Model.ResourceReference)current.NormalCodedValueSet).DeserializeJson(ref reader, options);
                break;

            case "abnormalCodedValueSet":
                current.AbnormalCodedValueSet = new Hl7.Fhir.Model.ResourceReference();
                ((Hl7.Fhir.Model.ResourceReference)current.AbnormalCodedValueSet).DeserializeJson(ref reader, options);
                break;

            case "criticalCodedValueSet":
                current.CriticalCodedValueSet = new Hl7.Fhir.Model.ResourceReference();
                ((Hl7.Fhir.Model.ResourceReference)current.CriticalCodedValueSet).DeserializeJson(ref reader, options);
                break;

            // Complex: ObservationDefinition, Export: ObservationDefinition, Base: DomainResource
            default:
                ((Hl7.Fhir.Model.DomainResource)current).DeserializeJsonProperty(ref reader, options, propertyName);
                break;
            }
        }