fhir-types 0.1.109

// @generated by fhir-codegen from hl7.fhir.r3.core 3.0.2. DO NOT EDIT.
// Change the emitter (tools/fhir-codegen) and regenerate.
// SPDX-FileCopyrightText: Cadasto B.V.
// SPDX-License-Identifier: Apache-2.0
//! Measurements and simple assertions

/// Measurements and simple assertions
///
/// Measurements and simple assertions made about a patient, device or other
/// subject.
#[derive(Debug, Clone, Default, PartialEq, Eq)]
pub struct Observation {
    /// Logical id of this artifact
    ///
    /// The logical id of the resource, as used in the URL for the resource. Once
    /// assigned, this value never changes.
    pub id: Option<super::primitives::Id>,
    /// Metadata about the resource
    ///
    /// The metadata about the resource. This is content that is maintained by the
    /// infrastructure. Changes to the content may not always be associated with
    /// version changes to the resource.
    pub meta: Option<super::meta::Meta>,
    /// A set of rules under which this content was created
    ///
    /// A reference to a set of rules that were followed when the resource was
    /// constructed, and which must be understood when processing the content.
    pub implicit_rules: Option<super::primitives::Uri>,
    /// Language of the resource content
    ///
    /// The base language in which the resource is written.
    pub language: Option<super::primitives::Code>,
    /// Text summary of the resource, for human interpretation
    ///
    /// A human-readable narrative that contains a summary of the resource, and may
    /// be used to represent the content of the resource to a human. The narrative
    /// need not encode all the structured data, but is required to contain
    /// sufficient detail to make it "clinically safe" for a human to just read the
    /// narrative. Resource definitions may define what content should be
    /// represented in the narrative to ensure clinical safety.
    pub text: Option<super::narrative::Narrative>,
    /// Contained, inline Resources
    ///
    /// These resources do not have an independent existence apart from the resource
    /// that contains them - they cannot be identified independently, and nor can
    /// they have their own independent transaction scope.
    pub contained: Vec<super::resource::Resource>,
    /// Additional Content defined by implementations
    ///
    /// May be used to represent additional information that is not part of the
    /// basic definition of the resource. In order to make the use of extensions
    /// safe and manageable, there is a strict set of governance applied to the
    /// definition and use of extensions. Though any implementer is allowed to
    /// define an extension, there is a set of requirements that SHALL be met as
    /// part of the definition of the extension.
    pub extension: Vec<super::extension::Extension>,
    /// Extensions that cannot be ignored
    ///
    /// May be used to represent additional information that is not part of the
    /// basic definition of the resource, and that modifies the understanding of the
    /// element that contains it. Usually modifier elements provide negation or
    /// qualification. In order to make the use of extensions safe and manageable,
    /// there is a strict set of governance applied to the definition and use of
    /// extensions. Though any implementer is allowed to define an extension, there
    /// is a set of requirements that SHALL be met as part of the definition of the
    /// extension. Applications processing a resource are required to check for
    /// modifier extensions.
    pub modifier_extension: Vec<super::extension::Extension>,
    /// Business Identifier for observation
    ///
    /// A unique identifier assigned to this observation.
    pub identifier: Vec<super::identifier::Identifier>,
    /// Fulfills plan, proposal or order
    ///
    /// A plan, proposal or order that is fulfilled in whole or in part by this
    /// event.
    pub based_on: Vec<super::reference::Reference>,
    /// registered | preliminary | final | amended +
    ///
    /// The status of the result value.
    pub status: super::primitives::Code,
    /// Classification of type of observation
    ///
    /// A code that classifies the general type of observation being made.
    pub category: Vec<super::codeable_concept::CodeableConcept>,
    /// Type of observation (code / type)
    ///
    /// Describes what was observed. Sometimes this is called the observation
    /// "name".
    pub code: super::codeable_concept::CodeableConcept,
    /// Who and/or what this is about
    ///
    /// The patient, or group of patients, location, or device whose characteristics
    /// (direct or indirect) are described by the observation and into whose record
    /// the observation is placed. Comments: Indirect characteristics may be those
    /// of a specimen, fetus, donor, other observer (for example a relative or EMT),
    /// or any observation made about the subject.
    pub subject: Option<super::reference::Reference>,
    /// Healthcare event during which this observation is made
    ///
    /// The healthcare event (e.g. a patient and healthcare provider interaction)
    /// during which this observation is made.
    pub context: Option<super::reference::Reference>,
    /// Clinically relevant time/time-period for observation
    ///
    /// The time or time-period the observed value is asserted as being true. For
    /// biological subjects - e.g. human patients - this is usually called the
    /// "physiologically relevant time". This is usually either the time of the
    /// procedure or of specimen collection, but very often the source of the
    /// date/time is not known, only the date/time itself.
    pub effective: Option<ObservationEffective>,
    /// Date/Time this was made available
    ///
    /// The date and time this observation was made available to providers,
    /// typically after the results have been reviewed and verified.
    pub issued: Option<super::primitives::Instant>,
    /// Who is responsible for the observation
    ///
    /// Who was responsible for asserting the observed value as "true".
    pub performer: Vec<super::reference::Reference>,
    /// Actual result
    ///
    /// The information determined as a result of making the observation, if the
    /// information has a simple value.
    pub value: Option<ObservationValue>,
    /// Why the result is missing
    ///
    /// Provides a reason why the expected value in the element
    /// Observation.value\[x\] is missing.
    pub data_absent_reason: Option<super::codeable_concept::CodeableConcept>,
    /// High, low, normal, etc.
    ///
    /// The assessment made based on the result of the observation. Intended as a
    /// simple compact code often placed adjacent to the result value in reports and
    /// flow sheets to signal the meaning/normalcy status of the result. Otherwise
    /// known as abnormal flag.
    pub interpretation: Option<super::codeable_concept::CodeableConcept>,
    /// Comments about result
    ///
    /// May include statements about significant, unexpected or unreliable values,
    /// or information about the source of the value where this may be relevant to
    /// the interpretation of the result.
    pub comment: Option<super::primitives::String>,
    /// Observed body part
    ///
    /// Indicates the site on the subject's body where the observation was made
    /// (i.e. the target site).
    pub body_site: Option<super::codeable_concept::CodeableConcept>,
    /// How it was done
    ///
    /// Indicates the mechanism used to perform the observation.
    pub method: Option<super::codeable_concept::CodeableConcept>,
    /// Specimen used for this observation
    ///
    /// The specimen that was used when this observation was made.
    pub specimen: Option<super::reference::Reference>,
    /// (Measurement) Device
    ///
    /// The device used to generate the observation data.
    pub device: Option<super::reference::Reference>,
    /// Provides guide for interpretation
    ///
    /// Guidance on how to interpret the value by comparison to a normal or
    /// recommended range.
    pub reference_range: Vec<ObservationReferenceRange>,
    /// Resource related to this observation
    ///
    /// A reference to another resource (usually another Observation) whose
    /// relationship is defined by the relationship type code.
    pub related: Vec<ObservationRelated>,
    /// Component results
    ///
    /// Some observations have multiple component observations. These component
    /// observations are expressed as separate code value pairs that share the same
    /// attributes. Examples include systolic and diastolic component observations
    /// for blood pressure measurement and multiple component observations for
    /// genetics observations.
    pub component: Vec<ObservationComponent>,
}

impl super::super::codec::Json for Observation {
    fn to_json(&self) -> Result<super::super::codec::Object, super::super::codec::EncodeError> {
        let mut object = super::super::codec::Object::new();
        object.insert(
            std::string::String::from("resourceType"),
            super::super::codec::Value::String(std::string::String::from("Observation")),
        );
        if let Some(item) = &self.id {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("id"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_id"), e);
            }
        }
        if let Some(item) = &self.meta {
            object.insert(
                std::string::String::from("meta"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        if let Some(item) = &self.implicit_rules {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("implicitRules"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_implicitRules"), e);
            }
        }
        if let Some(item) = &self.language {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("language"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_language"), e);
            }
        }
        if let Some(item) = &self.text {
            object.insert(
                std::string::String::from("text"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        if !self.contained.is_empty() {
            let mut items = Vec::with_capacity(self.contained.len());
            for item in &self.contained {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("contained"),
                super::super::codec::Value::Array(items),
            );
        }
        if !self.extension.is_empty() {
            let mut items = Vec::with_capacity(self.extension.len());
            for item in &self.extension {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("extension"),
                super::super::codec::Value::Array(items),
            );
        }
        if !self.modifier_extension.is_empty() {
            let mut items = Vec::with_capacity(self.modifier_extension.len());
            for item in &self.modifier_extension {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("modifierExtension"),
                super::super::codec::Value::Array(items),
            );
        }
        if !self.identifier.is_empty() {
            let mut items = Vec::with_capacity(self.identifier.len());
            for item in &self.identifier {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("identifier"),
                super::super::codec::Value::Array(items),
            );
        }
        if !self.based_on.is_empty() {
            let mut items = Vec::with_capacity(self.based_on.len());
            for item in &self.based_on {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("basedOn"),
                super::super::codec::Value::Array(items),
            );
        }
        if let Some(v) = super::super::codec::Primitive::value_json(&self.status)? {
            object.insert(std::string::String::from("status"), v);
        }
        if let Some(e) = super::super::codec::Primitive::element_json(&self.status)? {
            object.insert(std::string::String::from("_status"), e);
        }
        if !self.category.is_empty() {
            let mut items = Vec::with_capacity(self.category.len());
            for item in &self.category {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("category"),
                super::super::codec::Value::Array(items),
            );
        }
        object.insert(
            std::string::String::from("code"),
            super::super::codec::Value::Object(super::super::codec::Json::to_json(&self.code)?),
        );
        if let Some(item) = &self.subject {
            object.insert(
                std::string::String::from("subject"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        if let Some(item) = &self.context {
            object.insert(
                std::string::String::from("context"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        if let Some(item) = &self.effective {
            let (suffix, value, element) = item.to_json_parts()?;
            if let Some(value) = value {
                object.insert(format!("effective{suffix}"), value);
            }
            if let Some(element) = element {
                object.insert(format!("_effective{suffix}"), element);
            }
        }
        if let Some(item) = &self.issued {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("issued"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_issued"), e);
            }
        }
        if !self.performer.is_empty() {
            let mut items = Vec::with_capacity(self.performer.len());
            for item in &self.performer {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("performer"),
                super::super::codec::Value::Array(items),
            );
        }
        if let Some(item) = &self.value {
            let (suffix, value, element) = item.to_json_parts()?;
            if let Some(value) = value {
                object.insert(format!("value{suffix}"), value);
            }
            if let Some(element) = element {
                object.insert(format!("_value{suffix}"), element);
            }
        }
        if let Some(item) = &self.data_absent_reason {
            object.insert(
                std::string::String::from("dataAbsentReason"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        if let Some(item) = &self.interpretation {
            object.insert(
                std::string::String::from("interpretation"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        if let Some(item) = &self.comment {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("comment"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_comment"), e);
            }
        }
        if let Some(item) = &self.body_site {
            object.insert(
                std::string::String::from("bodySite"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        if let Some(item) = &self.method {
            object.insert(
                std::string::String::from("method"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        if let Some(item) = &self.specimen {
            object.insert(
                std::string::String::from("specimen"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        if let Some(item) = &self.device {
            object.insert(
                std::string::String::from("device"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        if !self.reference_range.is_empty() {
            let mut items = Vec::with_capacity(self.reference_range.len());
            for item in &self.reference_range {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("referenceRange"),
                super::super::codec::Value::Array(items),
            );
        }
        if !self.related.is_empty() {
            let mut items = Vec::with_capacity(self.related.len());
            for item in &self.related {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("related"),
                super::super::codec::Value::Array(items),
            );
        }
        if !self.component.is_empty() {
            let mut items = Vec::with_capacity(self.component.len());
            for item in &self.component {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("component"),
                super::super::codec::Value::Array(items),
            );
        }
        Ok(object)
    }

    fn from_json(
        object: &super::super::codec::Object,
        path: &mut super::super::codec::Path,
    ) -> Result<Self, super::super::codec::DecodeError> {
        let mut raw_id: Option<&super::super::codec::Value> = None;
        let mut raw_id_element: Option<&super::super::codec::Value> = None;
        let mut raw_meta: Option<&super::super::codec::Value> = None;
        let mut raw_implicit_rules: Option<&super::super::codec::Value> = None;
        let mut raw_implicit_rules_element: Option<&super::super::codec::Value> = None;
        let mut raw_language: Option<&super::super::codec::Value> = None;
        let mut raw_language_element: Option<&super::super::codec::Value> = None;
        let mut raw_text: Option<&super::super::codec::Value> = None;
        let mut raw_contained: Option<&super::super::codec::Value> = None;
        let mut raw_extension: Option<&super::super::codec::Value> = None;
        let mut raw_modifier_extension: Option<&super::super::codec::Value> = None;
        let mut raw_identifier: Option<&super::super::codec::Value> = None;
        let mut raw_based_on: Option<&super::super::codec::Value> = None;
        let mut raw_status: Option<&super::super::codec::Value> = None;
        let mut raw_status_element: Option<&super::super::codec::Value> = None;
        let mut raw_category: Option<&super::super::codec::Value> = None;
        let mut raw_code: Option<&super::super::codec::Value> = None;
        let mut raw_subject: Option<&super::super::codec::Value> = None;
        let mut raw_context: Option<&super::super::codec::Value> = None;
        let mut raw_effective = super::super::codec::ChoiceSlot::default();
        let mut raw_issued: Option<&super::super::codec::Value> = None;
        let mut raw_issued_element: Option<&super::super::codec::Value> = None;
        let mut raw_performer: Option<&super::super::codec::Value> = None;
        let mut raw_value = super::super::codec::ChoiceSlot::default();
        let mut raw_data_absent_reason: Option<&super::super::codec::Value> = None;
        let mut raw_interpretation: Option<&super::super::codec::Value> = None;
        let mut raw_comment: Option<&super::super::codec::Value> = None;
        let mut raw_comment_element: Option<&super::super::codec::Value> = None;
        let mut raw_body_site: Option<&super::super::codec::Value> = None;
        let mut raw_method: Option<&super::super::codec::Value> = None;
        let mut raw_specimen: Option<&super::super::codec::Value> = None;
        let mut raw_device: Option<&super::super::codec::Value> = None;
        let mut raw_reference_range: Option<&super::super::codec::Value> = None;
        let mut raw_related: Option<&super::super::codec::Value> = None;
        let mut raw_component: Option<&super::super::codec::Value> = None;
        for (key, value) in object {
            match key.as_str() {
                "resourceType" => {
                    if value.as_str() != Some("Observation") {
                        return Err(path.error(super::super::codec::DecodeErrorKind::ResourceType));
                    }
                }
                "id" => {
                    raw_id = Some(value);
                }
                "_id" => {
                    raw_id_element = Some(value);
                }
                "meta" => {
                    raw_meta = Some(value);
                }
                "implicitRules" => {
                    raw_implicit_rules = Some(value);
                }
                "_implicitRules" => {
                    raw_implicit_rules_element = Some(value);
                }
                "language" => {
                    raw_language = Some(value);
                }
                "_language" => {
                    raw_language_element = Some(value);
                }
                "text" => {
                    raw_text = Some(value);
                }
                "contained" => {
                    raw_contained = Some(value);
                }
                "extension" => {
                    raw_extension = Some(value);
                }
                "modifierExtension" => {
                    raw_modifier_extension = Some(value);
                }
                "identifier" => {
                    raw_identifier = Some(value);
                }
                "basedOn" => {
                    raw_based_on = Some(value);
                }
                "status" => {
                    raw_status = Some(value);
                }
                "_status" => {
                    raw_status_element = Some(value);
                }
                "category" => {
                    raw_category = Some(value);
                }
                "code" => {
                    raw_code = Some(value);
                }
                "subject" => {
                    raw_subject = Some(value);
                }
                "context" => {
                    raw_context = Some(value);
                }
                "effectiveDateTime" => {
                    raw_effective.value("DateTime", value, path)?;
                }
                "_effectiveDateTime" => {
                    raw_effective.element("DateTime", value, path)?;
                }
                "effectivePeriod" => {
                    raw_effective.value("Period", value, path)?;
                }
                "_effectivePeriod" => {
                    raw_effective.element("Period", value, path)?;
                }
                "issued" => {
                    raw_issued = Some(value);
                }
                "_issued" => {
                    raw_issued_element = Some(value);
                }
                "performer" => {
                    raw_performer = Some(value);
                }
                "valueQuantity" => {
                    raw_value.value("Quantity", value, path)?;
                }
                "_valueQuantity" => {
                    raw_value.element("Quantity", value, path)?;
                }
                "valueCodeableConcept" => {
                    raw_value.value("CodeableConcept", value, path)?;
                }
                "_valueCodeableConcept" => {
                    raw_value.element("CodeableConcept", value, path)?;
                }
                "valueString" => {
                    raw_value.value("String", value, path)?;
                }
                "_valueString" => {
                    raw_value.element("String", value, path)?;
                }
                "valueBoolean" => {
                    raw_value.value("Boolean", value, path)?;
                }
                "_valueBoolean" => {
                    raw_value.element("Boolean", value, path)?;
                }
                "valueRange" => {
                    raw_value.value("Range", value, path)?;
                }
                "_valueRange" => {
                    raw_value.element("Range", value, path)?;
                }
                "valueRatio" => {
                    raw_value.value("Ratio", value, path)?;
                }
                "_valueRatio" => {
                    raw_value.element("Ratio", value, path)?;
                }
                "valueSampledData" => {
                    raw_value.value("SampledData", value, path)?;
                }
                "_valueSampledData" => {
                    raw_value.element("SampledData", value, path)?;
                }
                "valueAttachment" => {
                    raw_value.value("Attachment", value, path)?;
                }
                "_valueAttachment" => {
                    raw_value.element("Attachment", value, path)?;
                }
                "valueTime" => {
                    raw_value.value("Time", value, path)?;
                }
                "_valueTime" => {
                    raw_value.element("Time", value, path)?;
                }
                "valueDateTime" => {
                    raw_value.value("DateTime", value, path)?;
                }
                "_valueDateTime" => {
                    raw_value.element("DateTime", value, path)?;
                }
                "valuePeriod" => {
                    raw_value.value("Period", value, path)?;
                }
                "_valuePeriod" => {
                    raw_value.element("Period", value, path)?;
                }
                "dataAbsentReason" => {
                    raw_data_absent_reason = Some(value);
                }
                "interpretation" => {
                    raw_interpretation = Some(value);
                }
                "comment" => {
                    raw_comment = Some(value);
                }
                "_comment" => {
                    raw_comment_element = Some(value);
                }
                "bodySite" => {
                    raw_body_site = Some(value);
                }
                "method" => {
                    raw_method = Some(value);
                }
                "specimen" => {
                    raw_specimen = Some(value);
                }
                "device" => {
                    raw_device = Some(value);
                }
                "referenceRange" => {
                    raw_reference_range = Some(value);
                }
                "related" => {
                    raw_related = Some(value);
                }
                "component" => {
                    raw_component = Some(value);
                }
                other => {
                    return path.with(other, |path| {
                        Err(path.error(super::super::codec::DecodeErrorKind::UnknownProperty))
                    });
                }
            }
        }
        let field_id = match (raw_id, raw_id_element) {
            (None, None) => None,
            (value, element) => Some(path.with("id", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?),
        };
        let field_meta = raw_meta
            .map(|value| {
                path.with("meta", |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(
                            super::super::codec::expect_single(value, path)?,
                            path,
                        )?,
                        path,
                    )
                })
            })
            .transpose()?;
        let field_implicit_rules = match (raw_implicit_rules, raw_implicit_rules_element) {
            (None, None) => None,
            (value, element) => Some(path.with("implicitRules", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?),
        };
        let field_language = match (raw_language, raw_language_element) {
            (None, None) => None,
            (value, element) => Some(path.with("language", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?),
        };
        let field_text = raw_text
            .map(|value| {
                path.with("text", |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(
                            super::super::codec::expect_single(value, path)?,
                            path,
                        )?,
                        path,
                    )
                })
            })
            .transpose()?;
        let mut field_contained = Vec::new();
        if let Some(raw) = raw_contained {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_contained.push(path.with_index("contained", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let mut field_extension = Vec::new();
        if let Some(raw) = raw_extension {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_extension.push(path.with_index("extension", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let mut field_modifier_extension = Vec::new();
        if let Some(raw) = raw_modifier_extension {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_modifier_extension.push(path.with_index(
                    "modifierExtension",
                    index,
                    |path| {
                        super::super::codec::Json::from_json(
                            super::super::codec::expect_object(value, path)?,
                            path,
                        )
                    },
                )?);
            }
        }
        let mut field_identifier = Vec::new();
        if let Some(raw) = raw_identifier {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_identifier.push(path.with_index("identifier", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let mut field_based_on = Vec::new();
        if let Some(raw) = raw_based_on {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_based_on.push(path.with_index("basedOn", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let field_status = path.with("status", |path| {
            super::super::codec::Primitive::from_json_parts(raw_status, raw_status_element, path)
        })?;
        let mut field_category = Vec::new();
        if let Some(raw) = raw_category {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_category.push(path.with_index("category", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let field_code = path.with("code", |path| {
            let value = raw_code
                .ok_or_else(|| path.error(super::super::codec::DecodeErrorKind::MissingProperty))?;
            super::super::codec::Json::from_json(
                super::super::codec::expect_object(
                    super::super::codec::expect_single(value, path)?,
                    path,
                )?,
                path,
            )
        })?;
        let field_subject = raw_subject
            .map(|value| {
                path.with("subject", |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(
                            super::super::codec::expect_single(value, path)?,
                            path,
                        )?,
                        path,
                    )
                })
            })
            .transpose()?;
        let field_context = raw_context
            .map(|value| {
                path.with("context", |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(
                            super::super::codec::expect_single(value, path)?,
                            path,
                        )?,
                        path,
                    )
                })
            })
            .transpose()?;
        let field_effective = match raw_effective.suffix {
            None => None,
            Some(suffix) => Some(path.with("effective", |path| {
                ObservationEffective::from_json_parts(
                    suffix,
                    raw_effective.value,
                    raw_effective.element,
                    path,
                )
            })?),
        };
        let field_issued = match (raw_issued, raw_issued_element) {
            (None, None) => None,
            (value, element) => Some(path.with("issued", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?),
        };
        let mut field_performer = Vec::new();
        if let Some(raw) = raw_performer {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_performer.push(path.with_index("performer", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let field_value = match raw_value.suffix {
            None => None,
            Some(suffix) => Some(path.with("value", |path| {
                ObservationValue::from_json_parts(suffix, raw_value.value, raw_value.element, path)
            })?),
        };
        let field_data_absent_reason = raw_data_absent_reason
            .map(|value| {
                path.with("dataAbsentReason", |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(
                            super::super::codec::expect_single(value, path)?,
                            path,
                        )?,
                        path,
                    )
                })
            })
            .transpose()?;
        let field_interpretation = raw_interpretation
            .map(|value| {
                path.with("interpretation", |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(
                            super::super::codec::expect_single(value, path)?,
                            path,
                        )?,
                        path,
                    )
                })
            })
            .transpose()?;
        let field_comment = match (raw_comment, raw_comment_element) {
            (None, None) => None,
            (value, element) => Some(path.with("comment", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?),
        };
        let field_body_site = raw_body_site
            .map(|value| {
                path.with("bodySite", |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(
                            super::super::codec::expect_single(value, path)?,
                            path,
                        )?,
                        path,
                    )
                })
            })
            .transpose()?;
        let field_method = raw_method
            .map(|value| {
                path.with("method", |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(
                            super::super::codec::expect_single(value, path)?,
                            path,
                        )?,
                        path,
                    )
                })
            })
            .transpose()?;
        let field_specimen = raw_specimen
            .map(|value| {
                path.with("specimen", |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(
                            super::super::codec::expect_single(value, path)?,
                            path,
                        )?,
                        path,
                    )
                })
            })
            .transpose()?;
        let field_device = raw_device
            .map(|value| {
                path.with("device", |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(
                            super::super::codec::expect_single(value, path)?,
                            path,
                        )?,
                        path,
                    )
                })
            })
            .transpose()?;
        let mut field_reference_range = Vec::new();
        if let Some(raw) = raw_reference_range {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_reference_range.push(path.with_index("referenceRange", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let mut field_related = Vec::new();
        if let Some(raw) = raw_related {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_related.push(path.with_index("related", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let mut field_component = Vec::new();
        if let Some(raw) = raw_component {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_component.push(path.with_index("component", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        Ok(Self {
            id: field_id,
            meta: field_meta,
            implicit_rules: field_implicit_rules,
            language: field_language,
            text: field_text,
            contained: field_contained,
            extension: field_extension,
            modifier_extension: field_modifier_extension,
            identifier: field_identifier,
            based_on: field_based_on,
            status: field_status,
            category: field_category,
            code: field_code,
            subject: field_subject,
            context: field_context,
            effective: field_effective,
            issued: field_issued,
            performer: field_performer,
            value: field_value,
            data_absent_reason: field_data_absent_reason,
            interpretation: field_interpretation,
            comment: field_comment,
            body_site: field_body_site,
            method: field_method,
            specimen: field_specimen,
            device: field_device,
            reference_range: field_reference_range,
            related: field_related,
            component: field_component,
        })
    }
}

impl serde::Serialize for Observation {
    fn serialize<S: serde::Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
        let mut map = serde::Serializer::serialize_map(serializer, None)?;
        if let Some(item) = &self.comment {
            super::super::codec::element_entry(&mut map, "_comment", item)?;
        }
        if let Some(ObservationEffective::DateTime(inner)) = &self.effective {
            super::super::codec::element_entry(&mut map, "_effectiveDateTime", inner)?;
        }
        if let Some(item) = &self.id {
            super::super::codec::element_entry(&mut map, "_id", item)?;
        }
        if let Some(item) = &self.implicit_rules {
            super::super::codec::element_entry(&mut map, "_implicitRules", item)?;
        }
        if let Some(item) = &self.issued {
            super::super::codec::element_entry(&mut map, "_issued", item)?;
        }
        if let Some(item) = &self.language {
            super::super::codec::element_entry(&mut map, "_language", item)?;
        }
        super::super::codec::element_entry(&mut map, "_status", &self.status)?;
        match &self.value {
            Some(ObservationValue::Boolean(inner)) => {
                super::super::codec::element_entry(&mut map, "_valueBoolean", inner)?;
            }
            Some(ObservationValue::DateTime(inner)) => {
                super::super::codec::element_entry(&mut map, "_valueDateTime", inner)?;
            }
            Some(ObservationValue::String(inner)) => {
                super::super::codec::element_entry(&mut map, "_valueString", inner)?;
            }
            Some(ObservationValue::Time(inner)) => {
                super::super::codec::element_entry(&mut map, "_valueTime", inner)?;
            }
            _ => {}
        }
        if !self.based_on.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "basedOn", &self.based_on)?;
        }
        if let Some(item) = &self.body_site {
            serde::ser::SerializeMap::serialize_entry(&mut map, "bodySite", item)?;
        }
        if !self.category.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "category", &self.category)?;
        }
        serde::ser::SerializeMap::serialize_entry(&mut map, "code", &self.code)?;
        if let Some(item) = &self.comment {
            super::super::codec::value_entry(&mut map, "comment", item)?;
        }
        if !self.component.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "component", &self.component)?;
        }
        if !self.contained.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "contained", &self.contained)?;
        }
        if let Some(item) = &self.context {
            serde::ser::SerializeMap::serialize_entry(&mut map, "context", item)?;
        }
        if let Some(item) = &self.data_absent_reason {
            serde::ser::SerializeMap::serialize_entry(&mut map, "dataAbsentReason", item)?;
        }
        if let Some(item) = &self.device {
            serde::ser::SerializeMap::serialize_entry(&mut map, "device", item)?;
        }
        match &self.effective {
            Some(ObservationEffective::DateTime(inner)) => {
                super::super::codec::value_entry(&mut map, "effectiveDateTime", inner)?;
            }
            Some(ObservationEffective::Period(inner)) => {
                serde::ser::SerializeMap::serialize_entry(
                    &mut map,
                    "effectivePeriod",
                    inner.as_ref(),
                )?;
            }
            None => {}
        }
        if !self.extension.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "extension", &self.extension)?;
        }
        if let Some(item) = &self.id {
            super::super::codec::value_entry(&mut map, "id", item)?;
        }
        if !self.identifier.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "identifier", &self.identifier)?;
        }
        if let Some(item) = &self.implicit_rules {
            super::super::codec::value_entry(&mut map, "implicitRules", item)?;
        }
        if let Some(item) = &self.interpretation {
            serde::ser::SerializeMap::serialize_entry(&mut map, "interpretation", item)?;
        }
        if let Some(item) = &self.issued {
            super::super::codec::value_entry(&mut map, "issued", item)?;
        }
        if let Some(item) = &self.language {
            super::super::codec::value_entry(&mut map, "language", item)?;
        }
        if let Some(item) = &self.meta {
            serde::ser::SerializeMap::serialize_entry(&mut map, "meta", item)?;
        }
        if let Some(item) = &self.method {
            serde::ser::SerializeMap::serialize_entry(&mut map, "method", item)?;
        }
        if !self.modifier_extension.is_empty() {
            serde::ser::SerializeMap::serialize_entry(
                &mut map,
                "modifierExtension",
                &self.modifier_extension,
            )?;
        }
        if !self.performer.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "performer", &self.performer)?;
        }
        if !self.reference_range.is_empty() {
            serde::ser::SerializeMap::serialize_entry(
                &mut map,
                "referenceRange",
                &self.reference_range,
            )?;
        }
        if !self.related.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "related", &self.related)?;
        }
        serde::ser::SerializeMap::serialize_entry(&mut map, "resourceType", "Observation")?;
        if let Some(item) = &self.specimen {
            serde::ser::SerializeMap::serialize_entry(&mut map, "specimen", item)?;
        }
        super::super::codec::value_entry(&mut map, "status", &self.status)?;
        if let Some(item) = &self.subject {
            serde::ser::SerializeMap::serialize_entry(&mut map, "subject", item)?;
        }
        if let Some(item) = &self.text {
            serde::ser::SerializeMap::serialize_entry(&mut map, "text", item)?;
        }
        match &self.value {
            Some(ObservationValue::Attachment(inner)) => {
                serde::ser::SerializeMap::serialize_entry(
                    &mut map,
                    "valueAttachment",
                    inner.as_ref(),
                )?;
            }
            Some(ObservationValue::Boolean(inner)) => {
                super::super::codec::value_entry(&mut map, "valueBoolean", inner)?;
            }
            Some(ObservationValue::CodeableConcept(inner)) => {
                serde::ser::SerializeMap::serialize_entry(
                    &mut map,
                    "valueCodeableConcept",
                    inner.as_ref(),
                )?;
            }
            Some(ObservationValue::DateTime(inner)) => {
                super::super::codec::value_entry(&mut map, "valueDateTime", inner)?;
            }
            Some(ObservationValue::Period(inner)) => {
                serde::ser::SerializeMap::serialize_entry(&mut map, "valuePeriod", inner.as_ref())?;
            }
            Some(ObservationValue::Quantity(inner)) => {
                serde::ser::SerializeMap::serialize_entry(
                    &mut map,
                    "valueQuantity",
                    inner.as_ref(),
                )?;
            }
            Some(ObservationValue::Range(inner)) => {
                serde::ser::SerializeMap::serialize_entry(&mut map, "valueRange", inner.as_ref())?;
            }
            Some(ObservationValue::Ratio(inner)) => {
                serde::ser::SerializeMap::serialize_entry(&mut map, "valueRatio", inner.as_ref())?;
            }
            Some(ObservationValue::SampledData(inner)) => {
                serde::ser::SerializeMap::serialize_entry(
                    &mut map,
                    "valueSampledData",
                    inner.as_ref(),
                )?;
            }
            Some(ObservationValue::String(inner)) => {
                super::super::codec::value_entry(&mut map, "valueString", inner)?;
            }
            Some(ObservationValue::Time(inner)) => {
                super::super::codec::value_entry(&mut map, "valueTime", inner)?;
            }
            None => {}
        }
        serde::ser::SerializeMap::end(map)
    }
}

impl<'de> serde::Deserialize<'de> for Observation {
    fn deserialize<D: serde::Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
        let value = <super::super::codec::Value as serde::Deserialize>::deserialize(deserializer)?;
        let mut path = super::super::codec::Path::root("Observation");
        let object =
            super::super::codec::expect_object(&value, &path).map_err(serde::de::Error::custom)?;
        super::super::codec::Json::from_json(object, &mut path).map_err(serde::de::Error::custom)
    }
}

/// Component results
///
/// Some observations have multiple component observations. These component
/// observations are expressed as separate code value pairs that share the same
/// attributes. Examples include systolic and diastolic component observations
/// for blood pressure measurement and multiple component observations for
/// genetics observations.
#[derive(Debug, Clone, Default, PartialEq, Eq)]
pub struct ObservationComponent {
    /// xml:id (or equivalent in JSON)
    ///
    /// unique id for the element within a resource (for internal references). This
    /// may be any string value that does not contain spaces.
    pub id: Option<std::string::String>,
    /// Additional Content defined by implementations
    ///
    /// May be used to represent additional information that is not part of the
    /// basic definition of the element. In order to make the use of extensions safe
    /// and manageable, there is a strict set of governance applied to the
    /// definition and use of extensions. Though any implementer is allowed to
    /// define an extension, there is a set of requirements that SHALL be met as
    /// part of the definition of the extension.
    pub extension: Vec<super::extension::Extension>,
    /// Extensions that cannot be ignored
    ///
    /// May be used to represent additional information that is not part of the
    /// basic definition of the element, and that modifies the understanding of the
    /// element that contains it. Usually modifier elements provide negation or
    /// qualification. In order to make the use of extensions safe and manageable,
    /// there is a strict set of governance applied to the definition and use of
    /// extensions. Though any implementer is allowed to define an extension, there
    /// is a set of requirements that SHALL be met as part of the definition of the
    /// extension. Applications processing a resource are required to check for
    /// modifier extensions.
    pub modifier_extension: Vec<super::extension::Extension>,
    /// Type of component observation (code / type)
    ///
    /// Describes what was observed. Sometimes this is called the observation
    /// "code".
    pub code: super::codeable_concept::CodeableConcept,
    /// Actual component result
    ///
    /// The information determined as a result of making the observation, if the
    /// information has a simple value.
    pub value: Option<ObservationComponentValue>,
    /// Why the component result is missing
    ///
    /// Provides a reason why the expected value in the element
    /// Observation.value\[x\] is missing.
    pub data_absent_reason: Option<super::codeable_concept::CodeableConcept>,
    /// High, low, normal, etc.
    ///
    /// The assessment made based on the result of the observation. Intended as a
    /// simple compact code often placed adjacent to the result value in reports and
    /// flow sheets to signal the meaning/normalcy status of the result. Otherwise
    /// known as abnormal flag.
    pub interpretation: Option<super::codeable_concept::CodeableConcept>,
    /// Provides guide for interpretation of component result
    ///
    /// Guidance on how to interpret the value by comparison to a normal or
    /// recommended range.
    pub reference_range: Vec<ObservationReferenceRange>,
}

impl super::super::codec::Json for ObservationComponent {
    fn to_json(&self) -> Result<super::super::codec::Object, super::super::codec::EncodeError> {
        let mut object = super::super::codec::Object::new();
        if let Some(v) = &self.id {
            object.insert(
                std::string::String::from("id"),
                super::super::codec::Value::String(v.clone()),
            );
        }
        if !self.extension.is_empty() {
            let mut items = Vec::with_capacity(self.extension.len());
            for item in &self.extension {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("extension"),
                super::super::codec::Value::Array(items),
            );
        }
        if !self.modifier_extension.is_empty() {
            let mut items = Vec::with_capacity(self.modifier_extension.len());
            for item in &self.modifier_extension {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("modifierExtension"),
                super::super::codec::Value::Array(items),
            );
        }
        object.insert(
            std::string::String::from("code"),
            super::super::codec::Value::Object(super::super::codec::Json::to_json(&self.code)?),
        );
        if let Some(item) = &self.value {
            let (suffix, value, element) = item.to_json_parts()?;
            if let Some(value) = value {
                object.insert(format!("value{suffix}"), value);
            }
            if let Some(element) = element {
                object.insert(format!("_value{suffix}"), element);
            }
        }
        if let Some(item) = &self.data_absent_reason {
            object.insert(
                std::string::String::from("dataAbsentReason"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        if let Some(item) = &self.interpretation {
            object.insert(
                std::string::String::from("interpretation"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        if !self.reference_range.is_empty() {
            let mut items = Vec::with_capacity(self.reference_range.len());
            for item in &self.reference_range {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("referenceRange"),
                super::super::codec::Value::Array(items),
            );
        }
        Ok(object)
    }

    fn from_json(
        object: &super::super::codec::Object,
        path: &mut super::super::codec::Path,
    ) -> Result<Self, super::super::codec::DecodeError> {
        let mut raw_id: Option<&super::super::codec::Value> = None;
        let mut raw_extension: Option<&super::super::codec::Value> = None;
        let mut raw_modifier_extension: Option<&super::super::codec::Value> = None;
        let mut raw_code: Option<&super::super::codec::Value> = None;
        let mut raw_value = super::super::codec::ChoiceSlot::default();
        let mut raw_data_absent_reason: Option<&super::super::codec::Value> = None;
        let mut raw_interpretation: Option<&super::super::codec::Value> = None;
        let mut raw_reference_range: Option<&super::super::codec::Value> = None;
        for (key, value) in object {
            match key.as_str() {
                "id" => {
                    raw_id = Some(value);
                }
                "extension" => {
                    raw_extension = Some(value);
                }
                "modifierExtension" => {
                    raw_modifier_extension = Some(value);
                }
                "code" => {
                    raw_code = Some(value);
                }
                "valueQuantity" => {
                    raw_value.value("Quantity", value, path)?;
                }
                "_valueQuantity" => {
                    raw_value.element("Quantity", value, path)?;
                }
                "valueCodeableConcept" => {
                    raw_value.value("CodeableConcept", value, path)?;
                }
                "_valueCodeableConcept" => {
                    raw_value.element("CodeableConcept", value, path)?;
                }
                "valueString" => {
                    raw_value.value("String", value, path)?;
                }
                "_valueString" => {
                    raw_value.element("String", value, path)?;
                }
                "valueRange" => {
                    raw_value.value("Range", value, path)?;
                }
                "_valueRange" => {
                    raw_value.element("Range", value, path)?;
                }
                "valueRatio" => {
                    raw_value.value("Ratio", value, path)?;
                }
                "_valueRatio" => {
                    raw_value.element("Ratio", value, path)?;
                }
                "valueSampledData" => {
                    raw_value.value("SampledData", value, path)?;
                }
                "_valueSampledData" => {
                    raw_value.element("SampledData", value, path)?;
                }
                "valueAttachment" => {
                    raw_value.value("Attachment", value, path)?;
                }
                "_valueAttachment" => {
                    raw_value.element("Attachment", value, path)?;
                }
                "valueTime" => {
                    raw_value.value("Time", value, path)?;
                }
                "_valueTime" => {
                    raw_value.element("Time", value, path)?;
                }
                "valueDateTime" => {
                    raw_value.value("DateTime", value, path)?;
                }
                "_valueDateTime" => {
                    raw_value.element("DateTime", value, path)?;
                }
                "valuePeriod" => {
                    raw_value.value("Period", value, path)?;
                }
                "_valuePeriod" => {
                    raw_value.element("Period", value, path)?;
                }
                "dataAbsentReason" => {
                    raw_data_absent_reason = Some(value);
                }
                "interpretation" => {
                    raw_interpretation = Some(value);
                }
                "referenceRange" => {
                    raw_reference_range = Some(value);
                }
                other => {
                    return path.with(other, |path| {
                        Err(path.error(super::super::codec::DecodeErrorKind::UnknownProperty))
                    });
                }
            }
        }
        let field_id = raw_id
            .map(|value| {
                path.with("id", |path| {
                    let value = super::super::codec::expect_single(value, path)?;
                    super::super::codec::expect_string(value, path)
                })
            })
            .transpose()?;
        let mut field_extension = Vec::new();
        if let Some(raw) = raw_extension {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_extension.push(path.with_index("extension", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let mut field_modifier_extension = Vec::new();
        if let Some(raw) = raw_modifier_extension {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_modifier_extension.push(path.with_index(
                    "modifierExtension",
                    index,
                    |path| {
                        super::super::codec::Json::from_json(
                            super::super::codec::expect_object(value, path)?,
                            path,
                        )
                    },
                )?);
            }
        }
        let field_code = path.with("code", |path| {
            let value = raw_code
                .ok_or_else(|| path.error(super::super::codec::DecodeErrorKind::MissingProperty))?;
            super::super::codec::Json::from_json(
                super::super::codec::expect_object(
                    super::super::codec::expect_single(value, path)?,
                    path,
                )?,
                path,
            )
        })?;
        let field_value = match raw_value.suffix {
            None => None,
            Some(suffix) => Some(path.with("value", |path| {
                ObservationComponentValue::from_json_parts(
                    suffix,
                    raw_value.value,
                    raw_value.element,
                    path,
                )
            })?),
        };
        let field_data_absent_reason = raw_data_absent_reason
            .map(|value| {
                path.with("dataAbsentReason", |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(
                            super::super::codec::expect_single(value, path)?,
                            path,
                        )?,
                        path,
                    )
                })
            })
            .transpose()?;
        let field_interpretation = raw_interpretation
            .map(|value| {
                path.with("interpretation", |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(
                            super::super::codec::expect_single(value, path)?,
                            path,
                        )?,
                        path,
                    )
                })
            })
            .transpose()?;
        let mut field_reference_range = Vec::new();
        if let Some(raw) = raw_reference_range {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_reference_range.push(path.with_index("referenceRange", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        Ok(Self {
            id: field_id,
            extension: field_extension,
            modifier_extension: field_modifier_extension,
            code: field_code,
            value: field_value,
            data_absent_reason: field_data_absent_reason,
            interpretation: field_interpretation,
            reference_range: field_reference_range,
        })
    }
}

impl serde::Serialize for ObservationComponent {
    fn serialize<S: serde::Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
        let mut map = serde::Serializer::serialize_map(serializer, None)?;
        match &self.value {
            Some(ObservationComponentValue::DateTime(inner)) => {
                super::super::codec::element_entry(&mut map, "_valueDateTime", inner)?;
            }
            Some(ObservationComponentValue::String(inner)) => {
                super::super::codec::element_entry(&mut map, "_valueString", inner)?;
            }
            Some(ObservationComponentValue::Time(inner)) => {
                super::super::codec::element_entry(&mut map, "_valueTime", inner)?;
            }
            _ => {}
        }
        serde::ser::SerializeMap::serialize_entry(&mut map, "code", &self.code)?;
        if let Some(item) = &self.data_absent_reason {
            serde::ser::SerializeMap::serialize_entry(&mut map, "dataAbsentReason", item)?;
        }
        if !self.extension.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "extension", &self.extension)?;
        }
        if let Some(v) = &self.id {
            serde::ser::SerializeMap::serialize_entry(&mut map, "id", v)?;
        }
        if let Some(item) = &self.interpretation {
            serde::ser::SerializeMap::serialize_entry(&mut map, "interpretation", item)?;
        }
        if !self.modifier_extension.is_empty() {
            serde::ser::SerializeMap::serialize_entry(
                &mut map,
                "modifierExtension",
                &self.modifier_extension,
            )?;
        }
        if !self.reference_range.is_empty() {
            serde::ser::SerializeMap::serialize_entry(
                &mut map,
                "referenceRange",
                &self.reference_range,
            )?;
        }
        match &self.value {
            Some(ObservationComponentValue::Attachment(inner)) => {
                serde::ser::SerializeMap::serialize_entry(
                    &mut map,
                    "valueAttachment",
                    inner.as_ref(),
                )?;
            }
            Some(ObservationComponentValue::CodeableConcept(inner)) => {
                serde::ser::SerializeMap::serialize_entry(
                    &mut map,
                    "valueCodeableConcept",
                    inner.as_ref(),
                )?;
            }
            Some(ObservationComponentValue::DateTime(inner)) => {
                super::super::codec::value_entry(&mut map, "valueDateTime", inner)?;
            }
            Some(ObservationComponentValue::Period(inner)) => {
                serde::ser::SerializeMap::serialize_entry(&mut map, "valuePeriod", inner.as_ref())?;
            }
            Some(ObservationComponentValue::Quantity(inner)) => {
                serde::ser::SerializeMap::serialize_entry(
                    &mut map,
                    "valueQuantity",
                    inner.as_ref(),
                )?;
            }
            Some(ObservationComponentValue::Range(inner)) => {
                serde::ser::SerializeMap::serialize_entry(&mut map, "valueRange", inner.as_ref())?;
            }
            Some(ObservationComponentValue::Ratio(inner)) => {
                serde::ser::SerializeMap::serialize_entry(&mut map, "valueRatio", inner.as_ref())?;
            }
            Some(ObservationComponentValue::SampledData(inner)) => {
                serde::ser::SerializeMap::serialize_entry(
                    &mut map,
                    "valueSampledData",
                    inner.as_ref(),
                )?;
            }
            Some(ObservationComponentValue::String(inner)) => {
                super::super::codec::value_entry(&mut map, "valueString", inner)?;
            }
            Some(ObservationComponentValue::Time(inner)) => {
                super::super::codec::value_entry(&mut map, "valueTime", inner)?;
            }
            None => {}
        }
        serde::ser::SerializeMap::end(map)
    }
}

impl<'de> serde::Deserialize<'de> for ObservationComponent {
    fn deserialize<D: serde::Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
        let value = <super::super::codec::Value as serde::Deserialize>::deserialize(deserializer)?;
        let mut path = super::super::codec::Path::root("ObservationComponent");
        let object =
            super::super::codec::expect_object(&value, &path).map_err(serde::de::Error::custom)?;
        super::super::codec::Json::from_json(object, &mut path).map_err(serde::de::Error::custom)
    }
}

/// The \`value\[x\]\` choice of \`ObservationComponent\`.
///
/// The information determined as a result of making the observation, if the
/// information has a simple value.
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum ObservationComponentValue {
    /// The `Quantity` form.
    Quantity(Box<super::quantity::Quantity>),
    /// The `CodeableConcept` form.
    CodeableConcept(Box<super::codeable_concept::CodeableConcept>),
    /// The `string` form.
    String(super::primitives::String),
    /// The `Range` form.
    Range(Box<super::range::Range>),
    /// The `Ratio` form.
    Ratio(Box<super::ratio::Ratio>),
    /// The `SampledData` form.
    SampledData(Box<super::sampled_data::SampledData>),
    /// The `Attachment` form.
    Attachment(Box<super::attachment::Attachment>),
    /// The `time` form.
    Time(super::primitives::Time),
    /// The `dateTime` form.
    DateTime(super::primitives::DateTime),
    /// The `Period` form.
    Period(Box<super::period::Period>),
}

impl ObservationComponentValue {
    /// The key suffix, the value part, and the `_name` part of this form.
    ///
    /// # Errors
    ///
    /// Returns [`super::super::codec::EncodeError`] when a held value has no JSON form.
    pub fn to_json_parts(
        &self,
    ) -> Result<
        (
            &'static str,
            Option<super::super::codec::Value>,
            Option<super::super::codec::Value>,
        ),
        super::super::codec::EncodeError,
    > {
        match self {
            Self::Quantity(inner) => Ok((
                "Quantity",
                Some(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(inner.as_ref())?,
                )),
                None,
            )),
            Self::CodeableConcept(inner) => Ok((
                "CodeableConcept",
                Some(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(inner.as_ref())?,
                )),
                None,
            )),
            Self::String(inner) => Ok((
                "String",
                super::super::codec::Primitive::value_json(inner)?,
                super::super::codec::Primitive::element_json(inner)?,
            )),
            Self::Range(inner) => Ok((
                "Range",
                Some(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(inner.as_ref())?,
                )),
                None,
            )),
            Self::Ratio(inner) => Ok((
                "Ratio",
                Some(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(inner.as_ref())?,
                )),
                None,
            )),
            Self::SampledData(inner) => Ok((
                "SampledData",
                Some(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(inner.as_ref())?,
                )),
                None,
            )),
            Self::Attachment(inner) => Ok((
                "Attachment",
                Some(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(inner.as_ref())?,
                )),
                None,
            )),
            Self::Time(inner) => Ok((
                "Time",
                super::super::codec::Primitive::value_json(inner)?,
                super::super::codec::Primitive::element_json(inner)?,
            )),
            Self::DateTime(inner) => Ok((
                "DateTime",
                super::super::codec::Primitive::value_json(inner)?,
                super::super::codec::Primitive::element_json(inner)?,
            )),
            Self::Period(inner) => Ok((
                "Period",
                Some(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(inner.as_ref())?,
                )),
                None,
            )),
        }
    }

    /// Decodes the form named by `suffix` from its value and `_name` parts.
    ///
    /// # Errors
    ///
    /// Returns [`super::super::codec::DecodeError`] for an unknown suffix or a malformed part.
    pub fn from_json_parts(
        suffix: &str,
        value: Option<&super::super::codec::Value>,
        element: Option<&super::super::codec::Value>,
        path: &mut super::super::codec::Path,
    ) -> Result<Self, super::super::codec::DecodeError> {
        match suffix {
            "Quantity" => {
                if element.is_some() {
                    return Err(path.error(super::super::codec::DecodeErrorKind::WrongType {
                        expected: "no underscore form for a complex type",
                    }));
                }
                let value = value.ok_or_else(|| {
                    path.error(super::super::codec::DecodeErrorKind::MissingProperty)
                })?;
                let inner = super::super::codec::Json::from_json(
                    super::super::codec::expect_object(
                        super::super::codec::expect_single(value, path)?,
                        path,
                    )?,
                    path,
                )?;
                Ok(Self::Quantity(Box::new(inner)))
            }
            "CodeableConcept" => {
                if element.is_some() {
                    return Err(path.error(super::super::codec::DecodeErrorKind::WrongType {
                        expected: "no underscore form for a complex type",
                    }));
                }
                let value = value.ok_or_else(|| {
                    path.error(super::super::codec::DecodeErrorKind::MissingProperty)
                })?;
                let inner = super::super::codec::Json::from_json(
                    super::super::codec::expect_object(
                        super::super::codec::expect_single(value, path)?,
                        path,
                    )?,
                    path,
                )?;
                Ok(Self::CodeableConcept(Box::new(inner)))
            }
            "String" => Ok(Self::String(
                super::super::codec::Primitive::from_json_parts(value, element, path)?,
            )),
            "Range" => {
                if element.is_some() {
                    return Err(path.error(super::super::codec::DecodeErrorKind::WrongType {
                        expected: "no underscore form for a complex type",
                    }));
                }
                let value = value.ok_or_else(|| {
                    path.error(super::super::codec::DecodeErrorKind::MissingProperty)
                })?;
                let inner = super::super::codec::Json::from_json(
                    super::super::codec::expect_object(
                        super::super::codec::expect_single(value, path)?,
                        path,
                    )?,
                    path,
                )?;
                Ok(Self::Range(Box::new(inner)))
            }
            "Ratio" => {
                if element.is_some() {
                    return Err(path.error(super::super::codec::DecodeErrorKind::WrongType {
                        expected: "no underscore form for a complex type",
                    }));
                }
                let value = value.ok_or_else(|| {
                    path.error(super::super::codec::DecodeErrorKind::MissingProperty)
                })?;
                let inner = super::super::codec::Json::from_json(
                    super::super::codec::expect_object(
                        super::super::codec::expect_single(value, path)?,
                        path,
                    )?,
                    path,
                )?;
                Ok(Self::Ratio(Box::new(inner)))
            }
            "SampledData" => {
                if element.is_some() {
                    return Err(path.error(super::super::codec::DecodeErrorKind::WrongType {
                        expected: "no underscore form for a complex type",
                    }));
                }
                let value = value.ok_or_else(|| {
                    path.error(super::super::codec::DecodeErrorKind::MissingProperty)
                })?;
                let inner = super::super::codec::Json::from_json(
                    super::super::codec::expect_object(
                        super::super::codec::expect_single(value, path)?,
                        path,
                    )?,
                    path,
                )?;
                Ok(Self::SampledData(Box::new(inner)))
            }
            "Attachment" => {
                if element.is_some() {
                    return Err(path.error(super::super::codec::DecodeErrorKind::WrongType {
                        expected: "no underscore form for a complex type",
                    }));
                }
                let value = value.ok_or_else(|| {
                    path.error(super::super::codec::DecodeErrorKind::MissingProperty)
                })?;
                let inner = super::super::codec::Json::from_json(
                    super::super::codec::expect_object(
                        super::super::codec::expect_single(value, path)?,
                        path,
                    )?,
                    path,
                )?;
                Ok(Self::Attachment(Box::new(inner)))
            }
            "Time" => Ok(Self::Time(super::super::codec::Primitive::from_json_parts(
                value, element, path,
            )?)),
            "DateTime" => Ok(Self::DateTime(
                super::super::codec::Primitive::from_json_parts(value, element, path)?,
            )),
            "Period" => {
                if element.is_some() {
                    return Err(path.error(super::super::codec::DecodeErrorKind::WrongType {
                        expected: "no underscore form for a complex type",
                    }));
                }
                let value = value.ok_or_else(|| {
                    path.error(super::super::codec::DecodeErrorKind::MissingProperty)
                })?;
                let inner = super::super::codec::Json::from_json(
                    super::super::codec::expect_object(
                        super::super::codec::expect_single(value, path)?,
                        path,
                    )?,
                    path,
                )?;
                Ok(Self::Period(Box::new(inner)))
            }
            _ => Err(path.error(super::super::codec::DecodeErrorKind::UnknownProperty)),
        }
    }
}

/// The \`effective\[x\]\` choice of \`Observation\`.
///
/// The time or time-period the observed value is asserted as being true. For
/// biological subjects - e.g. human patients - this is usually called the
/// "physiologically relevant time". This is usually either the time of the
/// procedure or of specimen collection, but very often the source of the
/// date/time is not known, only the date/time itself.
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum ObservationEffective {
    /// The `dateTime` form.
    DateTime(super::primitives::DateTime),
    /// The `Period` form.
    Period(Box<super::period::Period>),
}

impl ObservationEffective {
    /// The key suffix, the value part, and the `_name` part of this form.
    ///
    /// # Errors
    ///
    /// Returns [`super::super::codec::EncodeError`] when a held value has no JSON form.
    pub fn to_json_parts(
        &self,
    ) -> Result<
        (
            &'static str,
            Option<super::super::codec::Value>,
            Option<super::super::codec::Value>,
        ),
        super::super::codec::EncodeError,
    > {
        match self {
            Self::DateTime(inner) => Ok((
                "DateTime",
                super::super::codec::Primitive::value_json(inner)?,
                super::super::codec::Primitive::element_json(inner)?,
            )),
            Self::Period(inner) => Ok((
                "Period",
                Some(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(inner.as_ref())?,
                )),
                None,
            )),
        }
    }

    /// Decodes the form named by `suffix` from its value and `_name` parts.
    ///
    /// # Errors
    ///
    /// Returns [`super::super::codec::DecodeError`] for an unknown suffix or a malformed part.
    pub fn from_json_parts(
        suffix: &str,
        value: Option<&super::super::codec::Value>,
        element: Option<&super::super::codec::Value>,
        path: &mut super::super::codec::Path,
    ) -> Result<Self, super::super::codec::DecodeError> {
        match suffix {
            "DateTime" => Ok(Self::DateTime(
                super::super::codec::Primitive::from_json_parts(value, element, path)?,
            )),
            "Period" => {
                if element.is_some() {
                    return Err(path.error(super::super::codec::DecodeErrorKind::WrongType {
                        expected: "no underscore form for a complex type",
                    }));
                }
                let value = value.ok_or_else(|| {
                    path.error(super::super::codec::DecodeErrorKind::MissingProperty)
                })?;
                let inner = super::super::codec::Json::from_json(
                    super::super::codec::expect_object(
                        super::super::codec::expect_single(value, path)?,
                        path,
                    )?,
                    path,
                )?;
                Ok(Self::Period(Box::new(inner)))
            }
            _ => Err(path.error(super::super::codec::DecodeErrorKind::UnknownProperty)),
        }
    }
}

/// Provides guide for interpretation
///
/// Guidance on how to interpret the value by comparison to a normal or
/// recommended range.
#[derive(Debug, Clone, Default, PartialEq, Eq)]
pub struct ObservationReferenceRange {
    /// xml:id (or equivalent in JSON)
    ///
    /// unique id for the element within a resource (for internal references). This
    /// may be any string value that does not contain spaces.
    pub id: Option<std::string::String>,
    /// Additional Content defined by implementations
    ///
    /// May be used to represent additional information that is not part of the
    /// basic definition of the element. In order to make the use of extensions safe
    /// and manageable, there is a strict set of governance applied to the
    /// definition and use of extensions. Though any implementer is allowed to
    /// define an extension, there is a set of requirements that SHALL be met as
    /// part of the definition of the extension.
    pub extension: Vec<super::extension::Extension>,
    /// Extensions that cannot be ignored
    ///
    /// May be used to represent additional information that is not part of the
    /// basic definition of the element, and that modifies the understanding of the
    /// element that contains it. Usually modifier elements provide negation or
    /// qualification. In order to make the use of extensions safe and manageable,
    /// there is a strict set of governance applied to the definition and use of
    /// extensions. Though any implementer is allowed to define an extension, there
    /// is a set of requirements that SHALL be met as part of the definition of the
    /// extension. Applications processing a resource are required to check for
    /// modifier extensions.
    pub modifier_extension: Vec<super::extension::Extension>,
    /// Low Range, if relevant
    ///
    /// The value of the low bound of the reference range. The low bound of the
    /// reference range endpoint is inclusive of the value (e.g. reference range is
    /// \>=5 - \<=9). If the low bound is omitted, it is assumed to be meaningless
    /// (e.g. reference range is \<=2.3).
    pub low: Option<super::quantity::Quantity>,
    /// High Range, if relevant
    ///
    /// The value of the high bound of the reference range. The high bound of the
    /// reference range endpoint is inclusive of the value (e.g. reference range is
    /// \>=5 - \<=9). If the high bound is omitted, it is assumed to be meaningless
    /// (e.g. reference range is \>= 2.3).
    pub high: Option<super::quantity::Quantity>,
    /// Reference range qualifier
    ///
    /// Codes to indicate the what part of the targeted reference population it
    /// applies to. For example, the normal or therapeutic range.
    pub r#type: Option<super::codeable_concept::CodeableConcept>,
    /// Reference range population
    ///
    /// Codes to indicate the target population this reference range applies to. For
    /// example, a reference range may be based on the normal population or a
    /// particular sex or race.
    pub applies_to: Vec<super::codeable_concept::CodeableConcept>,
    /// Applicable age range, if relevant
    ///
    /// The age at which this reference range is applicable. This is a neonatal age
    /// (e.g. number of weeks at term) if the meaning says so.
    pub age: Option<super::range::Range>,
    /// Text based reference range in an observation
    ///
    /// Text based reference range in an observation which may be used when a
    /// quantitative range is not appropriate for an observation. An example would
    /// be a reference value of "Negative" or a list or table of 'normals'.
    pub text: Option<super::primitives::String>,
}

impl super::super::codec::Json for ObservationReferenceRange {
    fn to_json(&self) -> Result<super::super::codec::Object, super::super::codec::EncodeError> {
        let mut object = super::super::codec::Object::new();
        if let Some(v) = &self.id {
            object.insert(
                std::string::String::from("id"),
                super::super::codec::Value::String(v.clone()),
            );
        }
        if !self.extension.is_empty() {
            let mut items = Vec::with_capacity(self.extension.len());
            for item in &self.extension {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("extension"),
                super::super::codec::Value::Array(items),
            );
        }
        if !self.modifier_extension.is_empty() {
            let mut items = Vec::with_capacity(self.modifier_extension.len());
            for item in &self.modifier_extension {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("modifierExtension"),
                super::super::codec::Value::Array(items),
            );
        }
        if let Some(item) = &self.low {
            object.insert(
                std::string::String::from("low"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        if let Some(item) = &self.high {
            object.insert(
                std::string::String::from("high"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        if let Some(item) = &self.r#type {
            object.insert(
                std::string::String::from("type"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        if !self.applies_to.is_empty() {
            let mut items = Vec::with_capacity(self.applies_to.len());
            for item in &self.applies_to {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("appliesTo"),
                super::super::codec::Value::Array(items),
            );
        }
        if let Some(item) = &self.age {
            object.insert(
                std::string::String::from("age"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        if let Some(item) = &self.text {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("text"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_text"), e);
            }
        }
        Ok(object)
    }

    fn from_json(
        object: &super::super::codec::Object,
        path: &mut super::super::codec::Path,
    ) -> Result<Self, super::super::codec::DecodeError> {
        let mut raw_id: Option<&super::super::codec::Value> = None;
        let mut raw_extension: Option<&super::super::codec::Value> = None;
        let mut raw_modifier_extension: Option<&super::super::codec::Value> = None;
        let mut raw_low: Option<&super::super::codec::Value> = None;
        let mut raw_high: Option<&super::super::codec::Value> = None;
        let mut raw_type: Option<&super::super::codec::Value> = None;
        let mut raw_applies_to: Option<&super::super::codec::Value> = None;
        let mut raw_age: Option<&super::super::codec::Value> = None;
        let mut raw_text: Option<&super::super::codec::Value> = None;
        let mut raw_text_element: Option<&super::super::codec::Value> = None;
        for (key, value) in object {
            match key.as_str() {
                "id" => {
                    raw_id = Some(value);
                }
                "extension" => {
                    raw_extension = Some(value);
                }
                "modifierExtension" => {
                    raw_modifier_extension = Some(value);
                }
                "low" => {
                    raw_low = Some(value);
                }
                "high" => {
                    raw_high = Some(value);
                }
                "type" => {
                    raw_type = Some(value);
                }
                "appliesTo" => {
                    raw_applies_to = Some(value);
                }
                "age" => {
                    raw_age = Some(value);
                }
                "text" => {
                    raw_text = Some(value);
                }
                "_text" => {
                    raw_text_element = Some(value);
                }
                other => {
                    return path.with(other, |path| {
                        Err(path.error(super::super::codec::DecodeErrorKind::UnknownProperty))
                    });
                }
            }
        }
        let field_id = raw_id
            .map(|value| {
                path.with("id", |path| {
                    let value = super::super::codec::expect_single(value, path)?;
                    super::super::codec::expect_string(value, path)
                })
            })
            .transpose()?;
        let mut field_extension = Vec::new();
        if let Some(raw) = raw_extension {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_extension.push(path.with_index("extension", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let mut field_modifier_extension = Vec::new();
        if let Some(raw) = raw_modifier_extension {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_modifier_extension.push(path.with_index(
                    "modifierExtension",
                    index,
                    |path| {
                        super::super::codec::Json::from_json(
                            super::super::codec::expect_object(value, path)?,
                            path,
                        )
                    },
                )?);
            }
        }
        let field_low = raw_low
            .map(|value| {
                path.with("low", |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(
                            super::super::codec::expect_single(value, path)?,
                            path,
                        )?,
                        path,
                    )
                })
            })
            .transpose()?;
        let field_high = raw_high
            .map(|value| {
                path.with("high", |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(
                            super::super::codec::expect_single(value, path)?,
                            path,
                        )?,
                        path,
                    )
                })
            })
            .transpose()?;
        let field_type = raw_type
            .map(|value| {
                path.with("type", |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(
                            super::super::codec::expect_single(value, path)?,
                            path,
                        )?,
                        path,
                    )
                })
            })
            .transpose()?;
        let mut field_applies_to = Vec::new();
        if let Some(raw) = raw_applies_to {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_applies_to.push(path.with_index("appliesTo", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let field_age = raw_age
            .map(|value| {
                path.with("age", |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(
                            super::super::codec::expect_single(value, path)?,
                            path,
                        )?,
                        path,
                    )
                })
            })
            .transpose()?;
        let field_text = match (raw_text, raw_text_element) {
            (None, None) => None,
            (value, element) => Some(path.with("text", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?),
        };
        Ok(Self {
            id: field_id,
            extension: field_extension,
            modifier_extension: field_modifier_extension,
            low: field_low,
            high: field_high,
            r#type: field_type,
            applies_to: field_applies_to,
            age: field_age,
            text: field_text,
        })
    }
}

impl serde::Serialize for ObservationReferenceRange {
    fn serialize<S: serde::Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
        let mut map = serde::Serializer::serialize_map(serializer, None)?;
        if let Some(item) = &self.text {
            super::super::codec::element_entry(&mut map, "_text", item)?;
        }
        if let Some(item) = &self.age {
            serde::ser::SerializeMap::serialize_entry(&mut map, "age", item)?;
        }
        if !self.applies_to.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "appliesTo", &self.applies_to)?;
        }
        if !self.extension.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "extension", &self.extension)?;
        }
        if let Some(item) = &self.high {
            serde::ser::SerializeMap::serialize_entry(&mut map, "high", item)?;
        }
        if let Some(v) = &self.id {
            serde::ser::SerializeMap::serialize_entry(&mut map, "id", v)?;
        }
        if let Some(item) = &self.low {
            serde::ser::SerializeMap::serialize_entry(&mut map, "low", item)?;
        }
        if !self.modifier_extension.is_empty() {
            serde::ser::SerializeMap::serialize_entry(
                &mut map,
                "modifierExtension",
                &self.modifier_extension,
            )?;
        }
        if let Some(item) = &self.text {
            super::super::codec::value_entry(&mut map, "text", item)?;
        }
        if let Some(item) = &self.r#type {
            serde::ser::SerializeMap::serialize_entry(&mut map, "type", item)?;
        }
        serde::ser::SerializeMap::end(map)
    }
}

impl<'de> serde::Deserialize<'de> for ObservationReferenceRange {
    fn deserialize<D: serde::Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
        let value = <super::super::codec::Value as serde::Deserialize>::deserialize(deserializer)?;
        let mut path = super::super::codec::Path::root("ObservationReferenceRange");
        let object =
            super::super::codec::expect_object(&value, &path).map_err(serde::de::Error::custom)?;
        super::super::codec::Json::from_json(object, &mut path).map_err(serde::de::Error::custom)
    }
}

/// Resource related to this observation
///
/// A reference to another resource (usually another Observation) whose
/// relationship is defined by the relationship type code.
#[derive(Debug, Clone, Default, PartialEq, Eq)]
pub struct ObservationRelated {
    /// xml:id (or equivalent in JSON)
    ///
    /// unique id for the element within a resource (for internal references). This
    /// may be any string value that does not contain spaces.
    pub id: Option<std::string::String>,
    /// Additional Content defined by implementations
    ///
    /// May be used to represent additional information that is not part of the
    /// basic definition of the element. In order to make the use of extensions safe
    /// and manageable, there is a strict set of governance applied to the
    /// definition and use of extensions. Though any implementer is allowed to
    /// define an extension, there is a set of requirements that SHALL be met as
    /// part of the definition of the extension.
    pub extension: Vec<super::extension::Extension>,
    /// Extensions that cannot be ignored
    ///
    /// May be used to represent additional information that is not part of the
    /// basic definition of the element, and that modifies the understanding of the
    /// element that contains it. Usually modifier elements provide negation or
    /// qualification. In order to make the use of extensions safe and manageable,
    /// there is a strict set of governance applied to the definition and use of
    /// extensions. Though any implementer is allowed to define an extension, there
    /// is a set of requirements that SHALL be met as part of the definition of the
    /// extension. Applications processing a resource are required to check for
    /// modifier extensions.
    pub modifier_extension: Vec<super::extension::Extension>,
    /// has-member | derived-from | sequel-to | replaces | qualified-by |
    /// interfered-by
    ///
    /// A code specifying the kind of relationship that exists with the target
    /// resource.
    pub r#type: Option<super::primitives::Code>,
    /// Resource that is related to this one
    ///
    /// A reference to the observation or
    /// \[QuestionnaireResponse\](questionnaireresponse.html\#) resource that is
    /// related to this observation.
    pub target: super::reference::Reference,
}

impl super::super::codec::Json for ObservationRelated {
    fn to_json(&self) -> Result<super::super::codec::Object, super::super::codec::EncodeError> {
        let mut object = super::super::codec::Object::new();
        if let Some(v) = &self.id {
            object.insert(
                std::string::String::from("id"),
                super::super::codec::Value::String(v.clone()),
            );
        }
        if !self.extension.is_empty() {
            let mut items = Vec::with_capacity(self.extension.len());
            for item in &self.extension {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("extension"),
                super::super::codec::Value::Array(items),
            );
        }
        if !self.modifier_extension.is_empty() {
            let mut items = Vec::with_capacity(self.modifier_extension.len());
            for item in &self.modifier_extension {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("modifierExtension"),
                super::super::codec::Value::Array(items),
            );
        }
        if let Some(item) = &self.r#type {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("type"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_type"), e);
            }
        }
        object.insert(
            std::string::String::from("target"),
            super::super::codec::Value::Object(super::super::codec::Json::to_json(&self.target)?),
        );
        Ok(object)
    }

    fn from_json(
        object: &super::super::codec::Object,
        path: &mut super::super::codec::Path,
    ) -> Result<Self, super::super::codec::DecodeError> {
        let mut raw_id: Option<&super::super::codec::Value> = None;
        let mut raw_extension: Option<&super::super::codec::Value> = None;
        let mut raw_modifier_extension: Option<&super::super::codec::Value> = None;
        let mut raw_type: Option<&super::super::codec::Value> = None;
        let mut raw_type_element: Option<&super::super::codec::Value> = None;
        let mut raw_target: Option<&super::super::codec::Value> = None;
        for (key, value) in object {
            match key.as_str() {
                "id" => {
                    raw_id = Some(value);
                }
                "extension" => {
                    raw_extension = Some(value);
                }
                "modifierExtension" => {
                    raw_modifier_extension = Some(value);
                }
                "type" => {
                    raw_type = Some(value);
                }
                "_type" => {
                    raw_type_element = Some(value);
                }
                "target" => {
                    raw_target = Some(value);
                }
                other => {
                    return path.with(other, |path| {
                        Err(path.error(super::super::codec::DecodeErrorKind::UnknownProperty))
                    });
                }
            }
        }
        let field_id = raw_id
            .map(|value| {
                path.with("id", |path| {
                    let value = super::super::codec::expect_single(value, path)?;
                    super::super::codec::expect_string(value, path)
                })
            })
            .transpose()?;
        let mut field_extension = Vec::new();
        if let Some(raw) = raw_extension {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_extension.push(path.with_index("extension", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let mut field_modifier_extension = Vec::new();
        if let Some(raw) = raw_modifier_extension {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_modifier_extension.push(path.with_index(
                    "modifierExtension",
                    index,
                    |path| {
                        super::super::codec::Json::from_json(
                            super::super::codec::expect_object(value, path)?,
                            path,
                        )
                    },
                )?);
            }
        }
        let field_type = match (raw_type, raw_type_element) {
            (None, None) => None,
            (value, element) => Some(path.with("type", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?),
        };
        let field_target = path.with("target", |path| {
            let value = raw_target
                .ok_or_else(|| path.error(super::super::codec::DecodeErrorKind::MissingProperty))?;
            super::super::codec::Json::from_json(
                super::super::codec::expect_object(
                    super::super::codec::expect_single(value, path)?,
                    path,
                )?,
                path,
            )
        })?;
        Ok(Self {
            id: field_id,
            extension: field_extension,
            modifier_extension: field_modifier_extension,
            r#type: field_type,
            target: field_target,
        })
    }
}

impl serde::Serialize for ObservationRelated {
    fn serialize<S: serde::Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
        let mut map = serde::Serializer::serialize_map(serializer, None)?;
        if let Some(item) = &self.r#type {
            super::super::codec::element_entry(&mut map, "_type", item)?;
        }
        if !self.extension.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "extension", &self.extension)?;
        }
        if let Some(v) = &self.id {
            serde::ser::SerializeMap::serialize_entry(&mut map, "id", v)?;
        }
        if !self.modifier_extension.is_empty() {
            serde::ser::SerializeMap::serialize_entry(
                &mut map,
                "modifierExtension",
                &self.modifier_extension,
            )?;
        }
        serde::ser::SerializeMap::serialize_entry(&mut map, "target", &self.target)?;
        if let Some(item) = &self.r#type {
            super::super::codec::value_entry(&mut map, "type", item)?;
        }
        serde::ser::SerializeMap::end(map)
    }
}

impl<'de> serde::Deserialize<'de> for ObservationRelated {
    fn deserialize<D: serde::Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
        let value = <super::super::codec::Value as serde::Deserialize>::deserialize(deserializer)?;
        let mut path = super::super::codec::Path::root("ObservationRelated");
        let object =
            super::super::codec::expect_object(&value, &path).map_err(serde::de::Error::custom)?;
        super::super::codec::Json::from_json(object, &mut path).map_err(serde::de::Error::custom)
    }
}

/// The \`value\[x\]\` choice of \`Observation\`.
///
/// The information determined as a result of making the observation, if the
/// information has a simple value.
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum ObservationValue {
    /// The `Quantity` form.
    Quantity(Box<super::quantity::Quantity>),
    /// The `CodeableConcept` form.
    CodeableConcept(Box<super::codeable_concept::CodeableConcept>),
    /// The `string` form.
    String(super::primitives::String),
    /// The `boolean` form.
    Boolean(super::primitives::Boolean),
    /// The `Range` form.
    Range(Box<super::range::Range>),
    /// The `Ratio` form.
    Ratio(Box<super::ratio::Ratio>),
    /// The `SampledData` form.
    SampledData(Box<super::sampled_data::SampledData>),
    /// The `Attachment` form.
    Attachment(Box<super::attachment::Attachment>),
    /// The `time` form.
    Time(super::primitives::Time),
    /// The `dateTime` form.
    DateTime(super::primitives::DateTime),
    /// The `Period` form.
    Period(Box<super::period::Period>),
}

impl ObservationValue {
    /// The key suffix, the value part, and the `_name` part of this form.
    ///
    /// # Errors
    ///
    /// Returns [`super::super::codec::EncodeError`] when a held value has no JSON form.
    pub fn to_json_parts(
        &self,
    ) -> Result<
        (
            &'static str,
            Option<super::super::codec::Value>,
            Option<super::super::codec::Value>,
        ),
        super::super::codec::EncodeError,
    > {
        match self {
            Self::Quantity(inner) => Ok((
                "Quantity",
                Some(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(inner.as_ref())?,
                )),
                None,
            )),
            Self::CodeableConcept(inner) => Ok((
                "CodeableConcept",
                Some(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(inner.as_ref())?,
                )),
                None,
            )),
            Self::String(inner) => Ok((
                "String",
                super::super::codec::Primitive::value_json(inner)?,
                super::super::codec::Primitive::element_json(inner)?,
            )),
            Self::Boolean(inner) => Ok((
                "Boolean",
                super::super::codec::Primitive::value_json(inner)?,
                super::super::codec::Primitive::element_json(inner)?,
            )),
            Self::Range(inner) => Ok((
                "Range",
                Some(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(inner.as_ref())?,
                )),
                None,
            )),
            Self::Ratio(inner) => Ok((
                "Ratio",
                Some(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(inner.as_ref())?,
                )),
                None,
            )),
            Self::SampledData(inner) => Ok((
                "SampledData",
                Some(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(inner.as_ref())?,
                )),
                None,
            )),
            Self::Attachment(inner) => Ok((
                "Attachment",
                Some(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(inner.as_ref())?,
                )),
                None,
            )),
            Self::Time(inner) => Ok((
                "Time",
                super::super::codec::Primitive::value_json(inner)?,
                super::super::codec::Primitive::element_json(inner)?,
            )),
            Self::DateTime(inner) => Ok((
                "DateTime",
                super::super::codec::Primitive::value_json(inner)?,
                super::super::codec::Primitive::element_json(inner)?,
            )),
            Self::Period(inner) => Ok((
                "Period",
                Some(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(inner.as_ref())?,
                )),
                None,
            )),
        }
    }

    /// Decodes the form named by `suffix` from its value and `_name` parts.
    ///
    /// # Errors
    ///
    /// Returns [`super::super::codec::DecodeError`] for an unknown suffix or a malformed part.
    pub fn from_json_parts(
        suffix: &str,
        value: Option<&super::super::codec::Value>,
        element: Option<&super::super::codec::Value>,
        path: &mut super::super::codec::Path,
    ) -> Result<Self, super::super::codec::DecodeError> {
        match suffix {
            "Quantity" => {
                if element.is_some() {
                    return Err(path.error(super::super::codec::DecodeErrorKind::WrongType {
                        expected: "no underscore form for a complex type",
                    }));
                }
                let value = value.ok_or_else(|| {
                    path.error(super::super::codec::DecodeErrorKind::MissingProperty)
                })?;
                let inner = super::super::codec::Json::from_json(
                    super::super::codec::expect_object(
                        super::super::codec::expect_single(value, path)?,
                        path,
                    )?,
                    path,
                )?;
                Ok(Self::Quantity(Box::new(inner)))
            }
            "CodeableConcept" => {
                if element.is_some() {
                    return Err(path.error(super::super::codec::DecodeErrorKind::WrongType {
                        expected: "no underscore form for a complex type",
                    }));
                }
                let value = value.ok_or_else(|| {
                    path.error(super::super::codec::DecodeErrorKind::MissingProperty)
                })?;
                let inner = super::super::codec::Json::from_json(
                    super::super::codec::expect_object(
                        super::super::codec::expect_single(value, path)?,
                        path,
                    )?,
                    path,
                )?;
                Ok(Self::CodeableConcept(Box::new(inner)))
            }
            "String" => Ok(Self::String(
                super::super::codec::Primitive::from_json_parts(value, element, path)?,
            )),
            "Boolean" => Ok(Self::Boolean(
                super::super::codec::Primitive::from_json_parts(value, element, path)?,
            )),
            "Range" => {
                if element.is_some() {
                    return Err(path.error(super::super::codec::DecodeErrorKind::WrongType {
                        expected: "no underscore form for a complex type",
                    }));
                }
                let value = value.ok_or_else(|| {
                    path.error(super::super::codec::DecodeErrorKind::MissingProperty)
                })?;
                let inner = super::super::codec::Json::from_json(
                    super::super::codec::expect_object(
                        super::super::codec::expect_single(value, path)?,
                        path,
                    )?,
                    path,
                )?;
                Ok(Self::Range(Box::new(inner)))
            }
            "Ratio" => {
                if element.is_some() {
                    return Err(path.error(super::super::codec::DecodeErrorKind::WrongType {
                        expected: "no underscore form for a complex type",
                    }));
                }
                let value = value.ok_or_else(|| {
                    path.error(super::super::codec::DecodeErrorKind::MissingProperty)
                })?;
                let inner = super::super::codec::Json::from_json(
                    super::super::codec::expect_object(
                        super::super::codec::expect_single(value, path)?,
                        path,
                    )?,
                    path,
                )?;
                Ok(Self::Ratio(Box::new(inner)))
            }
            "SampledData" => {
                if element.is_some() {
                    return Err(path.error(super::super::codec::DecodeErrorKind::WrongType {
                        expected: "no underscore form for a complex type",
                    }));
                }
                let value = value.ok_or_else(|| {
                    path.error(super::super::codec::DecodeErrorKind::MissingProperty)
                })?;
                let inner = super::super::codec::Json::from_json(
                    super::super::codec::expect_object(
                        super::super::codec::expect_single(value, path)?,
                        path,
                    )?,
                    path,
                )?;
                Ok(Self::SampledData(Box::new(inner)))
            }
            "Attachment" => {
                if element.is_some() {
                    return Err(path.error(super::super::codec::DecodeErrorKind::WrongType {
                        expected: "no underscore form for a complex type",
                    }));
                }
                let value = value.ok_or_else(|| {
                    path.error(super::super::codec::DecodeErrorKind::MissingProperty)
                })?;
                let inner = super::super::codec::Json::from_json(
                    super::super::codec::expect_object(
                        super::super::codec::expect_single(value, path)?,
                        path,
                    )?,
                    path,
                )?;
                Ok(Self::Attachment(Box::new(inner)))
            }
            "Time" => Ok(Self::Time(super::super::codec::Primitive::from_json_parts(
                value, element, path,
            )?)),
            "DateTime" => Ok(Self::DateTime(
                super::super::codec::Primitive::from_json_parts(value, element, path)?,
            )),
            "Period" => {
                if element.is_some() {
                    return Err(path.error(super::super::codec::DecodeErrorKind::WrongType {
                        expected: "no underscore form for a complex type",
                    }));
                }
                let value = value.ok_or_else(|| {
                    path.error(super::super::codec::DecodeErrorKind::MissingProperty)
                })?;
                let inner = super::super::codec::Json::from_json(
                    super::super::codec::expect_object(
                        super::super::codec::expect_single(value, path)?,
                        path,
                    )?,
                    path,
                )?;
                Ok(Self::Period(Box::new(inner)))
            }
            _ => Err(path.error(super::super::codec::DecodeErrorKind::UnknownProperty)),
        }
    }
}