public static void SerializeDocumentInformation(DocumentInformation value, IFhirWriter writer)
        {
            writer.WriteStartComplexContent();

            // Serialize element's localId attribute
            if (value.InternalId != null && !String.IsNullOrEmpty(value.InternalId.Contents))
            {
                writer.WriteRefIdContents(value.InternalId.Contents);
            }

            // Serialize element extension
            if (value.Extension != null && value.Extension.Count > 0)
            {
                writer.WriteStartArrayElement("extension");
                foreach (var item in value.Extension)
                {
                    writer.WriteStartArrayMember("extension");
                    ExtensionSerializer.SerializeExtension(item, writer);
                    writer.WriteEndArrayMember();
                }
                writer.WriteEndArrayElement();
            }

            // Serialize element id
            if (value.Id != null)
            {
                writer.WriteStartElement("id");
                IdentifierSerializer.SerializeIdentifier(value.Id, writer);
                writer.WriteEndElement();
            }

            // Serialize element versionId
            if (value.VersionId != null)
            {
                writer.WriteStartElement("versionId");
                IdentifierSerializer.SerializeIdentifier(value.VersionId, writer);
                writer.WriteEndElement();
            }

            // Serialize element created
            if (value.Created != null)
            {
                writer.WriteStartElement("created");
                InstantSerializer.SerializeInstant(value.Created, writer);
                writer.WriteEndElement();
            }

            // Serialize element class
            if (value.Class != null)
            {
                writer.WriteStartElement("class");
                CodingSerializer.SerializeCoding(value.Class, writer);
                writer.WriteEndElement();
            }

            // Serialize element type
            if (value.Type != null)
            {
                writer.WriteStartElement("type");
                CodeableConceptSerializer.SerializeCodeableConcept(value.Type, writer);
                writer.WriteEndElement();
            }

            // Serialize element title
            if (value.Title != null)
            {
                writer.WriteStartElement("title");
                FhirStringSerializer.SerializeFhirString(value.Title, writer);
                writer.WriteEndElement();
            }

            // Serialize element confidentiality
            if (value.Confidentiality != null)
            {
                writer.WriteStartElement("confidentiality");
                CodingSerializer.SerializeCoding(value.Confidentiality, writer);
                writer.WriteEndElement();
            }

            // Serialize element subject
            if (value.Subject != null)
            {
                writer.WriteStartElement("subject");
                ResourceReferenceSerializer.SerializeResourceReference(value.Subject, writer);
                writer.WriteEndElement();
            }

            // Serialize element author
            if (value.Author != null && value.Author.Count > 0)
            {
                writer.WriteStartArrayElement("author");
                foreach (var item in value.Author)
                {
                    writer.WriteStartArrayMember("author");
                    ResourceReferenceSerializer.SerializeResourceReference(item, writer);
                    writer.WriteEndArrayMember();
                }
                writer.WriteEndArrayElement();
            }

            // Serialize element attester
            if (value.Attester != null && value.Attester.Count > 0)
            {
                writer.WriteStartArrayElement("attester");
                foreach (var item in value.Attester)
                {
                    writer.WriteStartArrayMember("attester");
                    DocumentInformationSerializer.SerializeDocumentInformationAttesterComponent(item, writer);
                    writer.WriteEndArrayMember();
                }
                writer.WriteEndArrayElement();
            }

            // Serialize element custodian
            if (value.Custodian != null)
            {
                writer.WriteStartElement("custodian");
                ResourceReferenceSerializer.SerializeResourceReference(value.Custodian, writer);
                writer.WriteEndElement();
            }

            // Serialize element event
            if (value.Event != null)
            {
                writer.WriteStartElement("event");
                DocumentInformationSerializer.SerializeDocumentInformationEventComponent(value.Event, writer);
                writer.WriteEndElement();
            }

            // Serialize element encounter
            if (value.Encounter != null)
            {
                writer.WriteStartElement("encounter");
                ResourceReferenceSerializer.SerializeResourceReference(value.Encounter, writer);
                writer.WriteEndElement();
            }

            // Serialize element facilityType
            if (value.FacilityType != null)
            {
                writer.WriteStartElement("facilityType");
                CodeableConceptSerializer.SerializeCodeableConcept(value.FacilityType, writer);
                writer.WriteEndElement();
            }

            // Serialize element practiceSetting
            if (value.PracticeSetting != null)
            {
                writer.WriteStartElement("practiceSetting");
                CodeableConceptSerializer.SerializeCodeableConcept(value.PracticeSetting, writer);
                writer.WriteEndElement();
            }


            writer.WriteEndComplexContent();
        }