fhir-types 0.1.102

// @generated by fhir-codegen from hl7.fhir.r4b.core 4.3.0. DO NOT EDIT.
// Change the emitter (tools/fhir-codegen) and regenerate.
// SPDX-FileCopyrightText: Ruben Talstra
// SPDX-License-Identifier: Apache-2.0
//! A research context or question

/// A research context or question
///
/// The ResearchDefinition resource describes the conditional state (population
/// and any exposures being compared within the population) and outcome (if
/// specified) that the knowledge (evidence, assertion, recommendation) is
/// about.
#[derive(Debug, Clone, Default, PartialEq, Eq)]
pub struct ResearchDefinition {
    /// 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<std::string::String>,
    /// Metadata about the resource
    ///
    /// The metadata about the resource. This is content that is maintained by the
    /// infrastructure. Changes to the content might 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.
    /// Often, this is a reference to an implementation guide that defines the
    /// special rules along with other profiles etc.
    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 can
    /// 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. 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 can 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 and/or the understanding of the containing
    /// element's descendants. Usually modifier elements provide negation or
    /// qualification. 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. Modifier extensions SHALL NOT change the meaning of any elements
    /// on Resource or DomainResource (including cannot change the meaning of
    /// modifierExtension itself).
    pub modifier_extension: Vec<super::extension::Extension>,
    /// Canonical identifier for this research definition, represented as a URI
    /// (globally unique)
    ///
    /// An absolute URI that is used to identify this research definition when it is
    /// referenced in a specification, model, design or an instance; also called its
    /// canonical identifier. This SHOULD be globally unique and SHOULD be a literal
    /// address at which at which an authoritative instance of this research
    /// definition is (or will be) published. This URL can be the target of a
    /// canonical reference. It SHALL remain the same when the research definition
    /// is stored on different servers.
    pub url: Option<super::primitives::Uri>,
    /// Additional identifier for the research definition
    ///
    /// A formal identifier that is used to identify this research definition when
    /// it is represented in other formats, or referenced in a specification, model,
    /// design or an instance.
    pub identifier: Vec<super::identifier::Identifier>,
    /// Business version of the research definition
    ///
    /// The identifier that is used to identify this version of the research
    /// definition when it is referenced in a specification, model, design or
    /// instance. This is an arbitrary value managed by the research definition
    /// author and is not expected to be globally unique. For example, it might be a
    /// timestamp (e.g. yyyymmdd) if a managed version is not available. There is
    /// also no expectation that versions can be placed in a lexicographical
    /// sequence. To provide a version consistent with the Decision Support Service
    /// specification, use the format Major.Minor.Revision (e.g. 1.0.0). For more
    /// information on versioning knowledge assets, refer to the Decision Support
    /// Service specification. Note that a version is required for non-experimental
    /// active artifacts.
    pub version: Option<super::primitives::String>,
    /// Name for this research definition (computer friendly)
    ///
    /// A natural language name identifying the research definition. This name
    /// should be usable as an identifier for the module by machine processing
    /// applications such as code generation.
    pub name: Option<super::primitives::String>,
    /// Name for this research definition (human friendly)
    ///
    /// A short, descriptive, user-friendly title for the research definition.
    pub title: Option<super::primitives::String>,
    /// Title for use in informal contexts
    ///
    /// The short title provides an alternate title for use in informal descriptive
    /// contexts where the full, formal title is not necessary.
    pub short_title: Option<super::primitives::String>,
    /// Subordinate title of the ResearchDefinition
    ///
    /// An explanatory or alternate title for the ResearchDefinition giving
    /// additional information about its content.
    pub subtitle: Option<super::primitives::String>,
    /// draft | active | retired | unknown
    ///
    /// The status of this research definition. Enables tracking the life-cycle of
    /// the content.
    pub status: super::primitives::Code,
    /// For testing purposes, not real usage
    ///
    /// A Boolean value to indicate that this research definition is authored for
    /// testing purposes (or education/evaluation/marketing) and is not intended to
    /// be used for genuine usage.
    pub experimental: Option<super::primitives::Boolean>,
    /// E.g. Patient, Practitioner, RelatedPerson, Organization, Location, Device
    ///
    /// The intended subjects for the ResearchDefinition. If this element is not
    /// provided, a Patient subject is assumed, but the subject of the
    /// ResearchDefinition can be anything.
    pub subject: Option<ResearchDefinitionSubject>,
    /// Date last changed
    ///
    /// The date (and optionally time) when the research definition was published.
    /// The date must change when the business version changes and it must change if
    /// the status code changes. In addition, it should change when the substantive
    /// content of the research definition changes.
    pub date: Option<super::primitives::DateTime>,
    /// Name of the publisher (organization or individual)
    ///
    /// The name of the organization or individual that published the research
    /// definition.
    pub publisher: Option<super::primitives::String>,
    /// Contact details for the publisher
    ///
    /// Contact details to assist a user in finding and communicating with the
    /// publisher.
    pub contact: Vec<super::contact_detail::ContactDetail>,
    /// Natural language description of the research definition
    ///
    /// A free text natural language description of the research definition from a
    /// consumer's perspective.
    pub description: Option<super::primitives::Markdown>,
    /// Used for footnotes or explanatory notes
    ///
    /// A human-readable string to clarify or explain concepts about the resource.
    pub comment: Vec<super::primitives::String>,
    /// The context that the content is intended to support
    ///
    /// The content was developed with a focus and intent of supporting the contexts
    /// that are listed. These contexts may be general categories (gender, age, ...)
    /// or may be references to specific programs (insurance plans, studies, ...)
    /// and may be used to assist with indexing and searching for appropriate
    /// research definition instances.
    pub use_context: Vec<super::usage_context::UsageContext>,
    /// Intended jurisdiction for research definition (if applicable)
    ///
    /// A legal or geographic region in which the research definition is intended to
    /// be used.
    pub jurisdiction: Vec<super::codeable_concept::CodeableConcept>,
    /// Why this research definition is defined
    ///
    /// Explanation of why this research definition is needed and why it has been
    /// designed as it has.
    pub purpose: Option<super::primitives::Markdown>,
    /// Describes the clinical usage of the ResearchDefinition
    ///
    /// A detailed description, from a clinical perspective, of how the
    /// ResearchDefinition is used.
    pub usage: Option<super::primitives::String>,
    /// Use and/or publishing restrictions
    ///
    /// A copyright statement relating to the research definition and/or its
    /// contents. Copyright statements are generally legal restrictions on the use
    /// and publishing of the research definition.
    pub copyright: Option<super::primitives::Markdown>,
    /// When the research definition was approved by publisher
    ///
    /// The date on which the resource content was approved by the publisher.
    /// Approval happens once when the content is officially approved for usage.
    pub approval_date: Option<super::primitives::Date>,
    /// When the research definition was last reviewed
    ///
    /// The date on which the resource content was last reviewed. Review happens
    /// periodically after approval but does not change the original approval date.
    pub last_review_date: Option<super::primitives::Date>,
    /// When the research definition is expected to be used
    ///
    /// The period during which the research definition content was or is planned to
    /// be in active use.
    pub effective_period: Option<super::period::Period>,
    /// The category of the ResearchDefinition, such as Education, Treatment,
    /// Assessment, etc.
    ///
    /// Descriptive topics related to the content of the ResearchDefinition. Topics
    /// provide a high-level categorization grouping types of ResearchDefinitions
    /// that can be useful for filtering and searching.
    pub topic: Vec<super::codeable_concept::CodeableConcept>,
    /// Who authored the content
    ///
    /// An individiual or organization primarily involved in the creation and
    /// maintenance of the content.
    pub author: Vec<super::contact_detail::ContactDetail>,
    /// Who edited the content
    ///
    /// An individual or organization primarily responsible for internal coherence
    /// of the content.
    pub editor: Vec<super::contact_detail::ContactDetail>,
    /// Who reviewed the content
    ///
    /// An individual or organization primarily responsible for review of some
    /// aspect of the content.
    pub reviewer: Vec<super::contact_detail::ContactDetail>,
    /// Who endorsed the content
    ///
    /// An individual or organization responsible for officially endorsing the
    /// content for use in some setting.
    pub endorser: Vec<super::contact_detail::ContactDetail>,
    /// Additional documentation, citations, etc.
    ///
    /// Related artifacts such as additional documentation, justification, or
    /// bibliographic references.
    pub related_artifact: Vec<super::related_artifact::RelatedArtifact>,
    /// Logic used by the ResearchDefinition
    ///
    /// A reference to a Library resource containing the formal logic used by the
    /// ResearchDefinition.
    pub library: Vec<super::primitives::Canonical>,
    /// What population?
    ///
    /// A reference to a ResearchElementDefinition resource that defines the
    /// population for the research.
    pub population: super::reference::Reference,
    /// What exposure?
    ///
    /// A reference to a ResearchElementDefinition resource that defines the
    /// exposure for the research.
    pub exposure: Option<super::reference::Reference>,
    /// What alternative exposure state?
    ///
    /// A reference to a ResearchElementDefinition resource that defines the
    /// exposureAlternative for the research.
    pub exposure_alternative: Option<super::reference::Reference>,
    /// What outcome?
    ///
    /// A reference to a ResearchElementDefinition resomece that defines the outcome
    /// for the research.
    pub outcome: Option<super::reference::Reference>,
}

impl super::super::codec::Json for ResearchDefinition {
    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("ResearchDefinition")),
        );
        if let Some(v) = &self.id {
            object.insert(
                std::string::String::from("id"),
                super::super::codec::Value::String(v.clone()),
            );
        }
        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 let Some(item) = &self.url {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("url"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_url"), e);
            }
        }
        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 let Some(item) = &self.version {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("version"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_version"), e);
            }
        }
        if let Some(item) = &self.name {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("name"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_name"), e);
            }
        }
        if let Some(item) = &self.title {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("title"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_title"), e);
            }
        }
        if let Some(item) = &self.short_title {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("shortTitle"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_shortTitle"), e);
            }
        }
        if let Some(item) = &self.subtitle {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("subtitle"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_subtitle"), e);
            }
        }
        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 let Some(item) = &self.experimental {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("experimental"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_experimental"), e);
            }
        }
        if let Some(item) = &self.subject {
            let (suffix, value, element) = item.to_json_parts()?;
            if let Some(value) = value {
                object.insert(format!("subject{suffix}"), value);
            }
            if let Some(element) = element {
                object.insert(format!("_subject{suffix}"), element);
            }
        }
        if let Some(item) = &self.date {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("date"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_date"), e);
            }
        }
        if let Some(item) = &self.publisher {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("publisher"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_publisher"), e);
            }
        }
        if !self.contact.is_empty() {
            let mut items = Vec::with_capacity(self.contact.len());
            for item in &self.contact {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("contact"),
                super::super::codec::Value::Array(items),
            );
        }
        if let Some(item) = &self.description {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("description"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_description"), e);
            }
        }
        if !self.comment.is_empty() {
            let (values, elements) = super::super::codec::primitive_arrays(&self.comment)?;
            object.insert(std::string::String::from("comment"), values);
            if let Some(elements) = elements {
                object.insert(std::string::String::from("_comment"), elements);
            }
        }
        if !self.use_context.is_empty() {
            let mut items = Vec::with_capacity(self.use_context.len());
            for item in &self.use_context {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("useContext"),
                super::super::codec::Value::Array(items),
            );
        }
        if !self.jurisdiction.is_empty() {
            let mut items = Vec::with_capacity(self.jurisdiction.len());
            for item in &self.jurisdiction {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("jurisdiction"),
                super::super::codec::Value::Array(items),
            );
        }
        if let Some(item) = &self.purpose {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("purpose"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_purpose"), e);
            }
        }
        if let Some(item) = &self.usage {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("usage"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_usage"), e);
            }
        }
        if let Some(item) = &self.copyright {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("copyright"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_copyright"), e);
            }
        }
        if let Some(item) = &self.approval_date {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("approvalDate"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_approvalDate"), e);
            }
        }
        if let Some(item) = &self.last_review_date {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("lastReviewDate"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_lastReviewDate"), e);
            }
        }
        if let Some(item) = &self.effective_period {
            object.insert(
                std::string::String::from("effectivePeriod"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        if !self.topic.is_empty() {
            let mut items = Vec::with_capacity(self.topic.len());
            for item in &self.topic {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("topic"),
                super::super::codec::Value::Array(items),
            );
        }
        if !self.author.is_empty() {
            let mut items = Vec::with_capacity(self.author.len());
            for item in &self.author {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("author"),
                super::super::codec::Value::Array(items),
            );
        }
        if !self.editor.is_empty() {
            let mut items = Vec::with_capacity(self.editor.len());
            for item in &self.editor {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("editor"),
                super::super::codec::Value::Array(items),
            );
        }
        if !self.reviewer.is_empty() {
            let mut items = Vec::with_capacity(self.reviewer.len());
            for item in &self.reviewer {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("reviewer"),
                super::super::codec::Value::Array(items),
            );
        }
        if !self.endorser.is_empty() {
            let mut items = Vec::with_capacity(self.endorser.len());
            for item in &self.endorser {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("endorser"),
                super::super::codec::Value::Array(items),
            );
        }
        if !self.related_artifact.is_empty() {
            let mut items = Vec::with_capacity(self.related_artifact.len());
            for item in &self.related_artifact {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("relatedArtifact"),
                super::super::codec::Value::Array(items),
            );
        }
        if !self.library.is_empty() {
            let (values, elements) = super::super::codec::primitive_arrays(&self.library)?;
            object.insert(std::string::String::from("library"), values);
            if let Some(elements) = elements {
                object.insert(std::string::String::from("_library"), elements);
            }
        }
        object.insert(
            std::string::String::from("population"),
            super::super::codec::Value::Object(super::super::codec::Json::to_json(
                &self.population,
            )?),
        );
        if let Some(item) = &self.exposure {
            object.insert(
                std::string::String::from("exposure"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        if let Some(item) = &self.exposure_alternative {
            object.insert(
                std::string::String::from("exposureAlternative"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        if let Some(item) = &self.outcome {
            object.insert(
                std::string::String::from("outcome"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        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_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_url: Option<&super::super::codec::Value> = None;
        let mut raw_url_element: Option<&super::super::codec::Value> = None;
        let mut raw_identifier: Option<&super::super::codec::Value> = None;
        let mut raw_version: Option<&super::super::codec::Value> = None;
        let mut raw_version_element: Option<&super::super::codec::Value> = None;
        let mut raw_name: Option<&super::super::codec::Value> = None;
        let mut raw_name_element: Option<&super::super::codec::Value> = None;
        let mut raw_title: Option<&super::super::codec::Value> = None;
        let mut raw_title_element: Option<&super::super::codec::Value> = None;
        let mut raw_short_title: Option<&super::super::codec::Value> = None;
        let mut raw_short_title_element: Option<&super::super::codec::Value> = None;
        let mut raw_subtitle: Option<&super::super::codec::Value> = None;
        let mut raw_subtitle_element: 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_experimental: Option<&super::super::codec::Value> = None;
        let mut raw_experimental_element: Option<&super::super::codec::Value> = None;
        let mut raw_subject = super::super::codec::ChoiceSlot::default();
        let mut raw_date: Option<&super::super::codec::Value> = None;
        let mut raw_date_element: Option<&super::super::codec::Value> = None;
        let mut raw_publisher: Option<&super::super::codec::Value> = None;
        let mut raw_publisher_element: Option<&super::super::codec::Value> = None;
        let mut raw_contact: Option<&super::super::codec::Value> = None;
        let mut raw_description: Option<&super::super::codec::Value> = None;
        let mut raw_description_element: 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_use_context: Option<&super::super::codec::Value> = None;
        let mut raw_jurisdiction: Option<&super::super::codec::Value> = None;
        let mut raw_purpose: Option<&super::super::codec::Value> = None;
        let mut raw_purpose_element: Option<&super::super::codec::Value> = None;
        let mut raw_usage: Option<&super::super::codec::Value> = None;
        let mut raw_usage_element: Option<&super::super::codec::Value> = None;
        let mut raw_copyright: Option<&super::super::codec::Value> = None;
        let mut raw_copyright_element: Option<&super::super::codec::Value> = None;
        let mut raw_approval_date: Option<&super::super::codec::Value> = None;
        let mut raw_approval_date_element: Option<&super::super::codec::Value> = None;
        let mut raw_last_review_date: Option<&super::super::codec::Value> = None;
        let mut raw_last_review_date_element: Option<&super::super::codec::Value> = None;
        let mut raw_effective_period: Option<&super::super::codec::Value> = None;
        let mut raw_topic: Option<&super::super::codec::Value> = None;
        let mut raw_author: Option<&super::super::codec::Value> = None;
        let mut raw_editor: Option<&super::super::codec::Value> = None;
        let mut raw_reviewer: Option<&super::super::codec::Value> = None;
        let mut raw_endorser: Option<&super::super::codec::Value> = None;
        let mut raw_related_artifact: Option<&super::super::codec::Value> = None;
        let mut raw_library: Option<&super::super::codec::Value> = None;
        let mut raw_library_element: Option<&super::super::codec::Value> = None;
        let mut raw_population: Option<&super::super::codec::Value> = None;
        let mut raw_exposure: Option<&super::super::codec::Value> = None;
        let mut raw_exposure_alternative: Option<&super::super::codec::Value> = None;
        let mut raw_outcome: Option<&super::super::codec::Value> = None;
        for (key, value) in object {
            match key.as_str() {
                "resourceType" => {
                    if value.as_str() != Some("ResearchDefinition") {
                        return Err(path.error(super::super::codec::DecodeErrorKind::ResourceType));
                    }
                }
                "id" => {
                    raw_id = 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);
                }
                "url" => {
                    raw_url = Some(value);
                }
                "_url" => {
                    raw_url_element = Some(value);
                }
                "identifier" => {
                    raw_identifier = Some(value);
                }
                "version" => {
                    raw_version = Some(value);
                }
                "_version" => {
                    raw_version_element = Some(value);
                }
                "name" => {
                    raw_name = Some(value);
                }
                "_name" => {
                    raw_name_element = Some(value);
                }
                "title" => {
                    raw_title = Some(value);
                }
                "_title" => {
                    raw_title_element = Some(value);
                }
                "shortTitle" => {
                    raw_short_title = Some(value);
                }
                "_shortTitle" => {
                    raw_short_title_element = Some(value);
                }
                "subtitle" => {
                    raw_subtitle = Some(value);
                }
                "_subtitle" => {
                    raw_subtitle_element = Some(value);
                }
                "status" => {
                    raw_status = Some(value);
                }
                "_status" => {
                    raw_status_element = Some(value);
                }
                "experimental" => {
                    raw_experimental = Some(value);
                }
                "_experimental" => {
                    raw_experimental_element = Some(value);
                }
                "subjectCodeableConcept" => {
                    raw_subject.value("CodeableConcept", value, path)?;
                }
                "_subjectCodeableConcept" => {
                    raw_subject.element("CodeableConcept", value, path)?;
                }
                "subjectReference" => {
                    raw_subject.value("Reference", value, path)?;
                }
                "_subjectReference" => {
                    raw_subject.element("Reference", value, path)?;
                }
                "date" => {
                    raw_date = Some(value);
                }
                "_date" => {
                    raw_date_element = Some(value);
                }
                "publisher" => {
                    raw_publisher = Some(value);
                }
                "_publisher" => {
                    raw_publisher_element = Some(value);
                }
                "contact" => {
                    raw_contact = Some(value);
                }
                "description" => {
                    raw_description = Some(value);
                }
                "_description" => {
                    raw_description_element = Some(value);
                }
                "comment" => {
                    raw_comment = Some(value);
                }
                "_comment" => {
                    raw_comment_element = Some(value);
                }
                "useContext" => {
                    raw_use_context = Some(value);
                }
                "jurisdiction" => {
                    raw_jurisdiction = Some(value);
                }
                "purpose" => {
                    raw_purpose = Some(value);
                }
                "_purpose" => {
                    raw_purpose_element = Some(value);
                }
                "usage" => {
                    raw_usage = Some(value);
                }
                "_usage" => {
                    raw_usage_element = Some(value);
                }
                "copyright" => {
                    raw_copyright = Some(value);
                }
                "_copyright" => {
                    raw_copyright_element = Some(value);
                }
                "approvalDate" => {
                    raw_approval_date = Some(value);
                }
                "_approvalDate" => {
                    raw_approval_date_element = Some(value);
                }
                "lastReviewDate" => {
                    raw_last_review_date = Some(value);
                }
                "_lastReviewDate" => {
                    raw_last_review_date_element = Some(value);
                }
                "effectivePeriod" => {
                    raw_effective_period = Some(value);
                }
                "topic" => {
                    raw_topic = Some(value);
                }
                "author" => {
                    raw_author = Some(value);
                }
                "editor" => {
                    raw_editor = Some(value);
                }
                "reviewer" => {
                    raw_reviewer = Some(value);
                }
                "endorser" => {
                    raw_endorser = Some(value);
                }
                "relatedArtifact" => {
                    raw_related_artifact = Some(value);
                }
                "library" => {
                    raw_library = Some(value);
                }
                "_library" => {
                    raw_library_element = Some(value);
                }
                "population" => {
                    raw_population = Some(value);
                }
                "exposure" => {
                    raw_exposure = Some(value);
                }
                "exposureAlternative" => {
                    raw_exposure_alternative = Some(value);
                }
                "outcome" => {
                    raw_outcome = 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 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 field_url = match (raw_url, raw_url_element) {
            (None, None) => None,
            (value, element) => Some(path.with("url", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, 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 field_version = match (raw_version, raw_version_element) {
            (None, None) => None,
            (value, element) => Some(path.with("version", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?),
        };
        let field_name = match (raw_name, raw_name_element) {
            (None, None) => None,
            (value, element) => Some(path.with("name", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?),
        };
        let field_title = match (raw_title, raw_title_element) {
            (None, None) => None,
            (value, element) => Some(path.with("title", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?),
        };
        let field_short_title = match (raw_short_title, raw_short_title_element) {
            (None, None) => None,
            (value, element) => Some(path.with("shortTitle", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?),
        };
        let field_subtitle = match (raw_subtitle, raw_subtitle_element) {
            (None, None) => None,
            (value, element) => Some(path.with("subtitle", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?),
        };
        let field_status = path.with("status", |path| {
            super::super::codec::Primitive::from_json_parts(raw_status, raw_status_element, path)
        })?;
        let field_experimental = match (raw_experimental, raw_experimental_element) {
            (None, None) => None,
            (value, element) => Some(path.with("experimental", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?),
        };
        let field_subject = match raw_subject.suffix {
            None => None,
            Some(suffix) => Some(path.with("subject", |path| {
                ResearchDefinitionSubject::from_json_parts(
                    suffix,
                    raw_subject.value,
                    raw_subject.element,
                    path,
                )
            })?),
        };
        let field_date = match (raw_date, raw_date_element) {
            (None, None) => None,
            (value, element) => Some(path.with("date", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?),
        };
        let field_publisher = match (raw_publisher, raw_publisher_element) {
            (None, None) => None,
            (value, element) => Some(path.with("publisher", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?),
        };
        let mut field_contact = Vec::new();
        if let Some(raw) = raw_contact {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_contact.push(path.with_index("contact", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let field_description = match (raw_description, raw_description_element) {
            (None, None) => None,
            (value, element) => Some(path.with("description", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?),
        };
        let mut field_comment = Vec::new();
        for (index, (value, element)) in
            super::super::codec::pair_arrays(raw_comment, raw_comment_element, path)?
                .into_iter()
                .enumerate()
        {
            field_comment.push(path.with_index("comment", index, |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?);
        }
        let mut field_use_context = Vec::new();
        if let Some(raw) = raw_use_context {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_use_context.push(path.with_index("useContext", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let mut field_jurisdiction = Vec::new();
        if let Some(raw) = raw_jurisdiction {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_jurisdiction.push(path.with_index("jurisdiction", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let field_purpose = match (raw_purpose, raw_purpose_element) {
            (None, None) => None,
            (value, element) => Some(path.with("purpose", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?),
        };
        let field_usage = match (raw_usage, raw_usage_element) {
            (None, None) => None,
            (value, element) => Some(path.with("usage", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?),
        };
        let field_copyright = match (raw_copyright, raw_copyright_element) {
            (None, None) => None,
            (value, element) => Some(path.with("copyright", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?),
        };
        let field_approval_date = match (raw_approval_date, raw_approval_date_element) {
            (None, None) => None,
            (value, element) => Some(path.with("approvalDate", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?),
        };
        let field_last_review_date = match (raw_last_review_date, raw_last_review_date_element) {
            (None, None) => None,
            (value, element) => Some(path.with("lastReviewDate", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?),
        };
        let field_effective_period = raw_effective_period
            .map(|value| {
                path.with("effectivePeriod", |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_topic = Vec::new();
        if let Some(raw) = raw_topic {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_topic.push(path.with_index("topic", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let mut field_author = Vec::new();
        if let Some(raw) = raw_author {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_author.push(path.with_index("author", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let mut field_editor = Vec::new();
        if let Some(raw) = raw_editor {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_editor.push(path.with_index("editor", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let mut field_reviewer = Vec::new();
        if let Some(raw) = raw_reviewer {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_reviewer.push(path.with_index("reviewer", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let mut field_endorser = Vec::new();
        if let Some(raw) = raw_endorser {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_endorser.push(path.with_index("endorser", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let mut field_related_artifact = Vec::new();
        if let Some(raw) = raw_related_artifact {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_related_artifact.push(path.with_index("relatedArtifact", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let mut field_library = Vec::new();
        for (index, (value, element)) in
            super::super::codec::pair_arrays(raw_library, raw_library_element, path)?
                .into_iter()
                .enumerate()
        {
            field_library.push(path.with_index("library", index, |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?);
        }
        let field_population = path.with("population", |path| {
            let value = raw_population
                .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_exposure = raw_exposure
            .map(|value| {
                path.with("exposure", |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(
                            super::super::codec::expect_single(value, path)?,
                            path,
                        )?,
                        path,
                    )
                })
            })
            .transpose()?;
        let field_exposure_alternative = raw_exposure_alternative
            .map(|value| {
                path.with("exposureAlternative", |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(
                            super::super::codec::expect_single(value, path)?,
                            path,
                        )?,
                        path,
                    )
                })
            })
            .transpose()?;
        let field_outcome = raw_outcome
            .map(|value| {
                path.with("outcome", |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(
                            super::super::codec::expect_single(value, path)?,
                            path,
                        )?,
                        path,
                    )
                })
            })
            .transpose()?;
        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,
            url: field_url,
            identifier: field_identifier,
            version: field_version,
            name: field_name,
            title: field_title,
            short_title: field_short_title,
            subtitle: field_subtitle,
            status: field_status,
            experimental: field_experimental,
            subject: field_subject,
            date: field_date,
            publisher: field_publisher,
            contact: field_contact,
            description: field_description,
            comment: field_comment,
            use_context: field_use_context,
            jurisdiction: field_jurisdiction,
            purpose: field_purpose,
            usage: field_usage,
            copyright: field_copyright,
            approval_date: field_approval_date,
            last_review_date: field_last_review_date,
            effective_period: field_effective_period,
            topic: field_topic,
            author: field_author,
            editor: field_editor,
            reviewer: field_reviewer,
            endorser: field_endorser,
            related_artifact: field_related_artifact,
            library: field_library,
            population: field_population,
            exposure: field_exposure,
            exposure_alternative: field_exposure_alternative,
            outcome: field_outcome,
        })
    }
}

impl serde::Serialize for ResearchDefinition {
    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.approval_date {
            super::super::codec::element_entry(&mut map, "_approvalDate", item)?;
        }
        super::super::codec::element_list_entry(&mut map, "_comment", &self.comment)?;
        if let Some(item) = &self.copyright {
            super::super::codec::element_entry(&mut map, "_copyright", item)?;
        }
        if let Some(item) = &self.date {
            super::super::codec::element_entry(&mut map, "_date", item)?;
        }
        if let Some(item) = &self.description {
            super::super::codec::element_entry(&mut map, "_description", item)?;
        }
        if let Some(item) = &self.experimental {
            super::super::codec::element_entry(&mut map, "_experimental", item)?;
        }
        if let Some(item) = &self.implicit_rules {
            super::super::codec::element_entry(&mut map, "_implicitRules", item)?;
        }
        if let Some(item) = &self.language {
            super::super::codec::element_entry(&mut map, "_language", item)?;
        }
        if let Some(item) = &self.last_review_date {
            super::super::codec::element_entry(&mut map, "_lastReviewDate", item)?;
        }
        super::super::codec::element_list_entry(&mut map, "_library", &self.library)?;
        if let Some(item) = &self.name {
            super::super::codec::element_entry(&mut map, "_name", item)?;
        }
        if let Some(item) = &self.publisher {
            super::super::codec::element_entry(&mut map, "_publisher", item)?;
        }
        if let Some(item) = &self.purpose {
            super::super::codec::element_entry(&mut map, "_purpose", item)?;
        }
        if let Some(item) = &self.short_title {
            super::super::codec::element_entry(&mut map, "_shortTitle", item)?;
        }
        super::super::codec::element_entry(&mut map, "_status", &self.status)?;
        if let Some(item) = &self.subtitle {
            super::super::codec::element_entry(&mut map, "_subtitle", item)?;
        }
        if let Some(item) = &self.title {
            super::super::codec::element_entry(&mut map, "_title", item)?;
        }
        if let Some(item) = &self.url {
            super::super::codec::element_entry(&mut map, "_url", item)?;
        }
        if let Some(item) = &self.usage {
            super::super::codec::element_entry(&mut map, "_usage", item)?;
        }
        if let Some(item) = &self.version {
            super::super::codec::element_entry(&mut map, "_version", item)?;
        }
        if let Some(item) = &self.approval_date {
            super::super::codec::value_entry(&mut map, "approvalDate", item)?;
        }
        if !self.author.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "author", &self.author)?;
        }
        super::super::codec::value_list_entry(&mut map, "comment", &self.comment)?;
        if !self.contact.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "contact", &self.contact)?;
        }
        if !self.contained.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "contained", &self.contained)?;
        }
        if let Some(item) = &self.copyright {
            super::super::codec::value_entry(&mut map, "copyright", item)?;
        }
        if let Some(item) = &self.date {
            super::super::codec::value_entry(&mut map, "date", item)?;
        }
        if let Some(item) = &self.description {
            super::super::codec::value_entry(&mut map, "description", item)?;
        }
        if !self.editor.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "editor", &self.editor)?;
        }
        if let Some(item) = &self.effective_period {
            serde::ser::SerializeMap::serialize_entry(&mut map, "effectivePeriod", item)?;
        }
        if !self.endorser.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "endorser", &self.endorser)?;
        }
        if let Some(item) = &self.experimental {
            super::super::codec::value_entry(&mut map, "experimental", item)?;
        }
        if let Some(item) = &self.exposure {
            serde::ser::SerializeMap::serialize_entry(&mut map, "exposure", item)?;
        }
        if let Some(item) = &self.exposure_alternative {
            serde::ser::SerializeMap::serialize_entry(&mut map, "exposureAlternative", 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.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 !self.jurisdiction.is_empty() {
            serde::ser::SerializeMap::serialize_entry(
                &mut map,
                "jurisdiction",
                &self.jurisdiction,
            )?;
        }
        if let Some(item) = &self.language {
            super::super::codec::value_entry(&mut map, "language", item)?;
        }
        if let Some(item) = &self.last_review_date {
            super::super::codec::value_entry(&mut map, "lastReviewDate", item)?;
        }
        super::super::codec::value_list_entry(&mut map, "library", &self.library)?;
        if let Some(item) = &self.meta {
            serde::ser::SerializeMap::serialize_entry(&mut map, "meta", item)?;
        }
        if !self.modifier_extension.is_empty() {
            serde::ser::SerializeMap::serialize_entry(
                &mut map,
                "modifierExtension",
                &self.modifier_extension,
            )?;
        }
        if let Some(item) = &self.name {
            super::super::codec::value_entry(&mut map, "name", item)?;
        }
        if let Some(item) = &self.outcome {
            serde::ser::SerializeMap::serialize_entry(&mut map, "outcome", item)?;
        }
        serde::ser::SerializeMap::serialize_entry(&mut map, "population", &self.population)?;
        if let Some(item) = &self.publisher {
            super::super::codec::value_entry(&mut map, "publisher", item)?;
        }
        if let Some(item) = &self.purpose {
            super::super::codec::value_entry(&mut map, "purpose", item)?;
        }
        if !self.related_artifact.is_empty() {
            serde::ser::SerializeMap::serialize_entry(
                &mut map,
                "relatedArtifact",
                &self.related_artifact,
            )?;
        }
        serde::ser::SerializeMap::serialize_entry(&mut map, "resourceType", "ResearchDefinition")?;
        if !self.reviewer.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "reviewer", &self.reviewer)?;
        }
        if let Some(item) = &self.short_title {
            super::super::codec::value_entry(&mut map, "shortTitle", item)?;
        }
        super::super::codec::value_entry(&mut map, "status", &self.status)?;
        match &self.subject {
            Some(ResearchDefinitionSubject::CodeableConcept(inner)) => {
                serde::ser::SerializeMap::serialize_entry(
                    &mut map,
                    "subjectCodeableConcept",
                    inner.as_ref(),
                )?;
            }
            Some(ResearchDefinitionSubject::Reference(inner)) => {
                serde::ser::SerializeMap::serialize_entry(
                    &mut map,
                    "subjectReference",
                    inner.as_ref(),
                )?;
            }
            None => {}
        }
        if let Some(item) = &self.subtitle {
            super::super::codec::value_entry(&mut map, "subtitle", item)?;
        }
        if let Some(item) = &self.text {
            serde::ser::SerializeMap::serialize_entry(&mut map, "text", item)?;
        }
        if let Some(item) = &self.title {
            super::super::codec::value_entry(&mut map, "title", item)?;
        }
        if !self.topic.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "topic", &self.topic)?;
        }
        if let Some(item) = &self.url {
            super::super::codec::value_entry(&mut map, "url", item)?;
        }
        if let Some(item) = &self.usage {
            super::super::codec::value_entry(&mut map, "usage", item)?;
        }
        if !self.use_context.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "useContext", &self.use_context)?;
        }
        if let Some(item) = &self.version {
            super::super::codec::value_entry(&mut map, "version", item)?;
        }
        serde::ser::SerializeMap::end(map)
    }
}

impl<'de> serde::Deserialize<'de> for ResearchDefinition {
    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("ResearchDefinition");
        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 \`subject\[x\]\` choice of \`ResearchDefinition\`.
///
/// The intended subjects for the ResearchDefinition. If this element is not
/// provided, a Patient subject is assumed, but the subject of the
/// ResearchDefinition can be anything.
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum ResearchDefinitionSubject {
    /// The `CodeableConcept` form.
    CodeableConcept(Box<super::codeable_concept::CodeableConcept>),
    /// The `Reference` form.
    Reference(Box<super::reference::Reference>),
}

impl ResearchDefinitionSubject {
    /// 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::CodeableConcept(inner) => Ok((
                "CodeableConcept",
                Some(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(inner.as_ref())?,
                )),
                None,
            )),
            Self::Reference(inner) => Ok((
                "Reference",
                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 {
            "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)))
            }
            "Reference" => {
                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::Reference(Box::new(inner)))
            }
            _ => Err(path.error(super::super::codec::DecodeErrorKind::UnknownProperty)),
        }
    }
}