fhir_types/r6/

code_system.rs

// @generated by fhir-codegen from hl7.fhir.r6.core 6.0.0-ballot5. DO NOT EDIT.
// Change the emitter (tools/fhir-codegen) and regenerate.
// SPDX-FileCopyrightText: Cadasto B.V.
// SPDX-License-Identifier: Apache-2.0
//! Declares the existence of and describes a code system or code system supplement

/// Declares the existence of and describes a code system or code system
/// supplement
///
/// The CodeSystem resource is used to declare the existence of and describe a
/// code system or code system supplement and its key properties, and optionally
/// define a part or all of its content.
#[derive(Debug, Clone, Default, PartialEq, Eq)]
pub struct CodeSystem {
    /// 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. For DomainResources, if more
    /// than one implicitRules policy applies, additional policies may be conveyed
    /// using the
    /// \[additionalImplicitRules\](<https://build.fhir.org/ig/HL7/fhir-extensions/StructureDefinition-additionalImplicitRules.html>)
    /// extension.
    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, nor can they
    /// have their own independent transaction scope. This is allowed to be a
    /// Parameters resource if and only if it is referenced by a resource that
    /// provides context/meaning.
    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
    /// managable, 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 managable, 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 code system, represented as a URI (globally
    /// unique) (Coding.system)
    ///
    /// An absolute URI that is used to identify this code system 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 an authoritative instance of this code system is (or will
    /// be) published. This URL can be the target of a canonical reference. It SHALL
    /// remain the same when the code system is stored on different servers. This is
    /// used in \[Coding\](datatypes.html\#Coding).system.
    pub url: Option<super::primitives::Uri>,
    /// Additional identifier for the code system (business identifier)
    ///
    /// A formal identifier that is used to identify this code system 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 code system (Coding.version)
    ///
    /// The identifier that is used to identify this version of the code system when
    /// it is referenced in a specification, model, design or instance. This is an
    /// arbitrary value managed by the code system 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. This is used in
    /// \[Coding\](datatypes.html\#Coding).version.
    pub version: Option<super::primitives::String>,
    /// How to compare versions
    ///
    /// Indicates the mechanism used to compare versions to determine which
    /// CodeSystem is more current.
    pub version_algorithm: Option<CodeSystemVersionAlgorithm>,
    /// Name for this code system (computer friendly)
    ///
    /// A natural language name identifying the code system. 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 code system (human friendly)
    ///
    /// A short, descriptive, user-friendly title for the code system.
    pub title: Option<super::primitives::String>,
    /// draft | active | retired | unknown
    ///
    /// The status of this code system. Enables tracking the life-cycle of the
    /// content.
    pub status: super::primitives::Code,
    /// For testing only - never for real usage
    ///
    /// A Boolean value to indicate that this code system is authored for testing
    /// purposes (or education/evaluation/marketing) and no version of this resource
    /// will ever be intended for genuine usage.
    pub experimental: Option<super::primitives::Boolean>,
    /// Date last changed
    ///
    /// The date (and optionally time) when the code system was last significantly
    /// changed. 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 code system changes.
    pub date: Option<super::primitives::DateTime>,
    /// Name of the publisher/steward (organization or individual)
    ///
    /// The name of the organization or individual responsible for the release and
    /// ongoing maintenance of the code system.
    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 code system
    ///
    /// A free text natural language description of the code system from a
    /// consumer's perspective.
    pub description: Option<super::primitives::Markdown>,
    /// 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 code
    /// system instances.
    pub use_context: Vec<super::usage_context::UsageContext>,
    /// Jurisdiction of the authority that maintains the code system (if applicable)
    ///
    /// A legal or geographic region in which the authority that maintains the
    /// resource is operating. In general, the jurisdiction is also found in the
    /// useContext. The useContext may reference additional jurisdictions because
    /// the defining jurisdiction does not necessarily limit the jurisdictions of
    /// use.
    pub jurisdiction: Vec<super::codeable_concept::CodeableConcept>,
    /// Why this code system is defined
    ///
    /// Explanation of why this code system is needed and why it has been designed
    /// as it has.
    pub purpose: Option<super::primitives::Markdown>,
    /// Notice about intellectual property ownership, can include restrictions on
    /// use
    ///
    /// A copyright statement relating to the code system and/or its contents.
    /// Copyright statements are notices of intellectual property ownership and can
    /// include restrictions on the use and publishing of the code system.
    pub copyright: Option<super::primitives::Markdown>,
    /// Copyright holder and year(s)
    ///
    /// A short string (\<50 characters), suitable for inclusion in a page footer
    /// that identifies the copyright holder, effective period, and optionally
    /// whether rights are restricted. (e.g. 'All rights reserved', 'Some rights
    /// reserved').
    pub copyright_label: Option<super::primitives::String>,
    /// When the CodeSystem 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 CodeSystem was last reviewed by the publisher
    ///
    /// 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 CodeSystem is expected to be used
    ///
    /// The period during which the CodeSystem content was or is planned to be in
    /// active use.
    pub effective_period: Option<super::period::Period>,
    /// E.g. Education, Treatment, Assessment, etc
    ///
    /// Descriptions related to the content of the CodeSystem. Topics provide a
    /// high-level categorization as well as keywords for the CodeSystem that can be
    /// useful for filtering and searching.
    pub topic: Vec<super::codeable_concept::CodeableConcept>,
    /// Who authored the CodeSystem
    ///
    /// An individual or organization primarily involved in the creation and
    /// maintenance of the CodeSystem.
    pub author: Vec<super::contact_detail::ContactDetail>,
    /// Who edited the CodeSystem
    ///
    /// An individual or organization primarily responsible for internal coherence
    /// of the CodeSystem.
    pub editor: Vec<super::contact_detail::ContactDetail>,
    /// Who reviewed the CodeSystem
    ///
    /// An individual or organization asserted by the publisher to be primarily
    /// responsible for review of some aspect of the CodeSystem.
    pub reviewer: Vec<super::contact_detail::ContactDetail>,
    /// Who endorsed the CodeSystem
    ///
    /// An individual or organization asserted by the publisher to be responsible
    /// for officially endorsing the CodeSystem for use in some setting.
    pub endorser: Vec<super::contact_detail::ContactDetail>,
    /// Additional documentation, citations, etc
    ///
    /// Related artifacts such as additional documentation, justification,
    /// dependencies, bibliographic references, and predecessor and successor
    /// artifacts. If the type is \`successor\` or \`predecessor\`, the related
    /// resource must be a CodeSystem.
    pub related_artifact: Vec<super::related_artifact::RelatedArtifact>,
    /// If code comparison is case sensitive
    ///
    /// If code comparison is case sensitive when codes within this system are
    /// compared to each other.
    pub case_sensitive: Option<super::primitives::Boolean>,
    /// Canonical reference to the value set with entire code system
    ///
    /// Canonical reference to the value set that contains all codes in the code
    /// system independent of code status.
    pub value_set: Option<super::primitives::Canonical>,
    /// grouped-by | is-a | part-of | classified-with
    ///
    /// The meaning of the hierarchy of concepts as represented in this resource.
    pub hierarchy_meaning: Option<super::primitives::Code>,
    /// If code system defines a compositional grammar
    ///
    /// The code system defines a compositional (post-coordination) grammar.
    pub compositional: Option<super::primitives::Boolean>,
    /// If definitions are not stable
    ///
    /// This flag is used to signify that the code system does not commit to concept
    /// permanence across versions. If true, a version must be specified when
    /// referencing this code system.
    pub version_needed: Option<super::primitives::Boolean>,
    /// not-present | example | fragment | complete | supplement
    ///
    /// The extent of the content of the code system (the concepts and codes it
    /// defines) are represented in this resource instance.
    pub content: super::primitives::Code,
    /// Canonical URL of Code System this adds designations and properties to
    ///
    /// The canonical URL of the code system that this code system supplement is
    /// adding designations and properties to.
    pub supplements: Option<super::primitives::Canonical>,
    /// Total concepts in the code system
    ///
    /// The total number of concepts defined by the code system. Where the code
    /// system has a compositional grammar, the basis of this count is defined by
    /// the system steward.
    pub count: Option<super::primitives::UnsignedInt>,
    /// Filter that can be used in a value set
    ///
    /// A filter that can be used in a value set compose statement when selecting
    /// concepts using a filter.
    pub filter: Vec<CodeSystemFilter>,
    /// Additional information supplied about each concept
    ///
    /// A property defines an additional slot through which additional information
    /// can be provided about a concept.
    pub property: Vec<CodeSystemProperty>,
    /// Concepts in the code system
    ///
    /// Concepts that are in the code system. The concept definitions are inherently
    /// hierarchical, but the definitions must be consulted to determine what the
    /// meanings of the hierarchical relationships are.
    pub concept: Vec<CodeSystemConcept>,
}

impl super::super::codec::Json for CodeSystem {
    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("CodeSystem")),
        );
        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.version_algorithm {
            let (suffix, value, element) = item.to_json_parts()?;
            if let Some(value) = value {
                object.insert(format!("versionAlgorithm{suffix}"), value);
            }
            if let Some(element) = element {
                object.insert(format!("_versionAlgorithm{suffix}"), element);
            }
        }
        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(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.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.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.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.copyright_label {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("copyrightLabel"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_copyrightLabel"), 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 let Some(item) = &self.case_sensitive {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("caseSensitive"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_caseSensitive"), e);
            }
        }
        if let Some(item) = &self.value_set {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("valueSet"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_valueSet"), e);
            }
        }
        if let Some(item) = &self.hierarchy_meaning {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("hierarchyMeaning"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_hierarchyMeaning"), e);
            }
        }
        if let Some(item) = &self.compositional {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("compositional"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_compositional"), e);
            }
        }
        if let Some(item) = &self.version_needed {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("versionNeeded"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_versionNeeded"), e);
            }
        }
        if let Some(v) = super::super::codec::Primitive::value_json(&self.content)? {
            object.insert(std::string::String::from("content"), v);
        }
        if let Some(e) = super::super::codec::Primitive::element_json(&self.content)? {
            object.insert(std::string::String::from("_content"), e);
        }
        if let Some(item) = &self.supplements {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("supplements"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_supplements"), e);
            }
        }
        if let Some(item) = &self.count {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("count"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_count"), e);
            }
        }
        if !self.filter.is_empty() {
            let mut items = Vec::with_capacity(self.filter.len());
            for item in &self.filter {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("filter"),
                super::super::codec::Value::Array(items),
            );
        }
        if !self.property.is_empty() {
            let mut items = Vec::with_capacity(self.property.len());
            for item in &self.property {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("property"),
                super::super::codec::Value::Array(items),
            );
        }
        if !self.concept.is_empty() {
            let mut items = Vec::with_capacity(self.concept.len());
            for item in &self.concept {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("concept"),
                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_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_version_algorithm = super::super::codec::ChoiceSlot::default();
        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_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_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_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_copyright: Option<&super::super::codec::Value> = None;
        let mut raw_copyright_element: Option<&super::super::codec::Value> = None;
        let mut raw_copyright_label: Option<&super::super::codec::Value> = None;
        let mut raw_copyright_label_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_case_sensitive: Option<&super::super::codec::Value> = None;
        let mut raw_case_sensitive_element: Option<&super::super::codec::Value> = None;
        let mut raw_value_set: Option<&super::super::codec::Value> = None;
        let mut raw_value_set_element: Option<&super::super::codec::Value> = None;
        let mut raw_hierarchy_meaning: Option<&super::super::codec::Value> = None;
        let mut raw_hierarchy_meaning_element: Option<&super::super::codec::Value> = None;
        let mut raw_compositional: Option<&super::super::codec::Value> = None;
        let mut raw_compositional_element: Option<&super::super::codec::Value> = None;
        let mut raw_version_needed: Option<&super::super::codec::Value> = None;
        let mut raw_version_needed_element: Option<&super::super::codec::Value> = None;
        let mut raw_content: Option<&super::super::codec::Value> = None;
        let mut raw_content_element: Option<&super::super::codec::Value> = None;
        let mut raw_supplements: Option<&super::super::codec::Value> = None;
        let mut raw_supplements_element: Option<&super::super::codec::Value> = None;
        let mut raw_count: Option<&super::super::codec::Value> = None;
        let mut raw_count_element: Option<&super::super::codec::Value> = None;
        let mut raw_filter: Option<&super::super::codec::Value> = None;
        let mut raw_property: Option<&super::super::codec::Value> = None;
        let mut raw_concept: Option<&super::super::codec::Value> = None;
        for (key, value) in object {
            match key.as_str() {
                "resourceType" => {
                    if value.as_str() != Some("CodeSystem") {
                        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);
                }
                "versionAlgorithmString" => {
                    raw_version_algorithm.value("String", value, path)?;
                }
                "_versionAlgorithmString" => {
                    raw_version_algorithm.element("String", value, path)?;
                }
                "versionAlgorithmCoding" => {
                    raw_version_algorithm.value("Coding", value, path)?;
                }
                "_versionAlgorithmCoding" => {
                    raw_version_algorithm.element("Coding", value, path)?;
                }
                "name" => {
                    raw_name = Some(value);
                }
                "_name" => {
                    raw_name_element = Some(value);
                }
                "title" => {
                    raw_title = Some(value);
                }
                "_title" => {
                    raw_title_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);
                }
                "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);
                }
                "useContext" => {
                    raw_use_context = Some(value);
                }
                "jurisdiction" => {
                    raw_jurisdiction = Some(value);
                }
                "purpose" => {
                    raw_purpose = Some(value);
                }
                "_purpose" => {
                    raw_purpose_element = Some(value);
                }
                "copyright" => {
                    raw_copyright = Some(value);
                }
                "_copyright" => {
                    raw_copyright_element = Some(value);
                }
                "copyrightLabel" => {
                    raw_copyright_label = Some(value);
                }
                "_copyrightLabel" => {
                    raw_copyright_label_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);
                }
                "caseSensitive" => {
                    raw_case_sensitive = Some(value);
                }
                "_caseSensitive" => {
                    raw_case_sensitive_element = Some(value);
                }
                "valueSet" => {
                    raw_value_set = Some(value);
                }
                "_valueSet" => {
                    raw_value_set_element = Some(value);
                }
                "hierarchyMeaning" => {
                    raw_hierarchy_meaning = Some(value);
                }
                "_hierarchyMeaning" => {
                    raw_hierarchy_meaning_element = Some(value);
                }
                "compositional" => {
                    raw_compositional = Some(value);
                }
                "_compositional" => {
                    raw_compositional_element = Some(value);
                }
                "versionNeeded" => {
                    raw_version_needed = Some(value);
                }
                "_versionNeeded" => {
                    raw_version_needed_element = Some(value);
                }
                "content" => {
                    raw_content = Some(value);
                }
                "_content" => {
                    raw_content_element = Some(value);
                }
                "supplements" => {
                    raw_supplements = Some(value);
                }
                "_supplements" => {
                    raw_supplements_element = Some(value);
                }
                "count" => {
                    raw_count = Some(value);
                }
                "_count" => {
                    raw_count_element = Some(value);
                }
                "filter" => {
                    raw_filter = Some(value);
                }
                "property" => {
                    raw_property = Some(value);
                }
                "concept" => {
                    raw_concept = 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::primitives::checked_id(
                        super::super::codec::expect_string(value, path)?,
                        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 path
                .with("contained", |path| {
                    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 path
                .with("extension", |path| {
                    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 path
                .with("modifierExtension", |path| {
                    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 path
                .with("identifier", |path| {
                    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_version_algorithm = match raw_version_algorithm.suffix {
            None => None,
            Some(suffix) => Some(path.with("versionAlgorithm", |path| {
                CodeSystemVersionAlgorithm::from_json_parts(
                    suffix,
                    raw_version_algorithm.value,
                    raw_version_algorithm.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_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_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 path
                .with("contact", |path| {
                    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_use_context = Vec::new();
        if let Some(raw) = raw_use_context {
            for (index, value) in path
                .with("useContext", |path| {
                    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 path
                .with("jurisdiction", |path| {
                    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_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_copyright_label = match (raw_copyright_label, raw_copyright_label_element) {
            (None, None) => None,
            (value, element) => Some(path.with("copyrightLabel", |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 path
                .with("topic", |path| 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 path
                .with("author", |path| {
                    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 path
                .with("editor", |path| {
                    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 path
                .with("reviewer", |path| {
                    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 path
                .with("endorser", |path| {
                    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 path
                .with("relatedArtifact", |path| {
                    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 field_case_sensitive = match (raw_case_sensitive, raw_case_sensitive_element) {
            (None, None) => None,
            (value, element) => Some(path.with("caseSensitive", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?),
        };
        let field_value_set = match (raw_value_set, raw_value_set_element) {
            (None, None) => None,
            (value, element) => Some(path.with("valueSet", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?),
        };
        let field_hierarchy_meaning = match (raw_hierarchy_meaning, raw_hierarchy_meaning_element) {
            (None, None) => None,
            (value, element) => Some(path.with("hierarchyMeaning", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?),
        };
        let field_compositional = match (raw_compositional, raw_compositional_element) {
            (None, None) => None,
            (value, element) => Some(path.with("compositional", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?),
        };
        let field_version_needed = match (raw_version_needed, raw_version_needed_element) {
            (None, None) => None,
            (value, element) => Some(path.with("versionNeeded", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?),
        };
        let field_content = path.with("content", |path| {
            super::super::codec::Primitive::from_json_parts(raw_content, raw_content_element, path)
        })?;
        let field_supplements = match (raw_supplements, raw_supplements_element) {
            (None, None) => None,
            (value, element) => Some(path.with("supplements", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?),
        };
        let field_count = match (raw_count, raw_count_element) {
            (None, None) => None,
            (value, element) => Some(path.with("count", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?),
        };
        let mut field_filter = Vec::new();
        if let Some(raw) = raw_filter {
            for (index, value) in path
                .with("filter", |path| {
                    super::super::codec::expect_array(raw, path)
                })?
                .iter()
                .enumerate()
            {
                field_filter.push(path.with_index("filter", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let mut field_property = Vec::new();
        if let Some(raw) = raw_property {
            for (index, value) in path
                .with("property", |path| {
                    super::super::codec::expect_array(raw, path)
                })?
                .iter()
                .enumerate()
            {
                field_property.push(path.with_index("property", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let mut field_concept = Vec::new();
        if let Some(raw) = raw_concept {
            for (index, value) in path
                .with("concept", |path| {
                    super::super::codec::expect_array(raw, path)
                })?
                .iter()
                .enumerate()
            {
                field_concept.push(path.with_index("concept", 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,
            url: field_url,
            identifier: field_identifier,
            version: field_version,
            version_algorithm: field_version_algorithm,
            name: field_name,
            title: field_title,
            status: field_status,
            experimental: field_experimental,
            date: field_date,
            publisher: field_publisher,
            contact: field_contact,
            description: field_description,
            use_context: field_use_context,
            jurisdiction: field_jurisdiction,
            purpose: field_purpose,
            copyright: field_copyright,
            copyright_label: field_copyright_label,
            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,
            case_sensitive: field_case_sensitive,
            value_set: field_value_set,
            hierarchy_meaning: field_hierarchy_meaning,
            compositional: field_compositional,
            version_needed: field_version_needed,
            content: field_content,
            supplements: field_supplements,
            count: field_count,
            filter: field_filter,
            property: field_property,
            concept: field_concept,
        })
    }
}

impl serde::Serialize for CodeSystem {
    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)?;
        }
        if let Some(item) = &self.case_sensitive {
            super::super::codec::element_entry(&mut map, "_caseSensitive", item)?;
        }
        if let Some(item) = &self.compositional {
            super::super::codec::element_entry(&mut map, "_compositional", item)?;
        }
        super::super::codec::element_entry(&mut map, "_content", &self.content)?;
        if let Some(item) = &self.copyright {
            super::super::codec::element_entry(&mut map, "_copyright", item)?;
        }
        if let Some(item) = &self.copyright_label {
            super::super::codec::element_entry(&mut map, "_copyrightLabel", item)?;
        }
        if let Some(item) = &self.count {
            super::super::codec::element_entry(&mut map, "_count", 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.hierarchy_meaning {
            super::super::codec::element_entry(&mut map, "_hierarchyMeaning", 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)?;
        }
        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)?;
        }
        super::super::codec::element_entry(&mut map, "_status", &self.status)?;
        if let Some(item) = &self.supplements {
            super::super::codec::element_entry(&mut map, "_supplements", 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.value_set {
            super::super::codec::element_entry(&mut map, "_valueSet", item)?;
        }
        if let Some(item) = &self.version {
            super::super::codec::element_entry(&mut map, "_version", item)?;
        }
        if let Some(CodeSystemVersionAlgorithm::String(inner)) = &self.version_algorithm {
            super::super::codec::element_entry(&mut map, "_versionAlgorithmString", inner)?;
        }
        if let Some(item) = &self.version_needed {
            super::super::codec::element_entry(&mut map, "_versionNeeded", 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)?;
        }
        if let Some(item) = &self.case_sensitive {
            super::super::codec::value_entry(&mut map, "caseSensitive", item)?;
        }
        if let Some(item) = &self.compositional {
            super::super::codec::value_entry(&mut map, "compositional", item)?;
        }
        if !self.concept.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "concept", &self.concept)?;
        }
        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)?;
        }
        super::super::codec::value_entry(&mut map, "content", &self.content)?;
        if let Some(item) = &self.copyright {
            super::super::codec::value_entry(&mut map, "copyright", item)?;
        }
        if let Some(item) = &self.copyright_label {
            super::super::codec::value_entry(&mut map, "copyrightLabel", item)?;
        }
        if let Some(item) = &self.count {
            super::super::codec::value_entry(&mut map, "count", 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 !self.extension.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "extension", &self.extension)?;
        }
        if !self.filter.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "filter", &self.filter)?;
        }
        if let Some(item) = &self.hierarchy_meaning {
            super::super::codec::value_entry(&mut map, "hierarchyMeaning", item)?;
        }
        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)?;
        }
        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 !self.property.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "property", &self.property)?;
        }
        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", "CodeSystem")?;
        if !self.reviewer.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "reviewer", &self.reviewer)?;
        }
        super::super::codec::value_entry(&mut map, "status", &self.status)?;
        if let Some(item) = &self.supplements {
            super::super::codec::value_entry(&mut map, "supplements", 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 !self.use_context.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "useContext", &self.use_context)?;
        }
        if let Some(item) = &self.value_set {
            super::super::codec::value_entry(&mut map, "valueSet", item)?;
        }
        if let Some(item) = &self.version {
            super::super::codec::value_entry(&mut map, "version", item)?;
        }
        match &self.version_algorithm {
            Some(CodeSystemVersionAlgorithm::Coding(inner)) => {
                serde::ser::SerializeMap::serialize_entry(
                    &mut map,
                    "versionAlgorithmCoding",
                    inner.as_ref(),
                )?;
            }
            Some(CodeSystemVersionAlgorithm::String(inner)) => {
                super::super::codec::value_entry(&mut map, "versionAlgorithmString", inner)?;
            }
            None => {}
        }
        if let Some(item) = &self.version_needed {
            super::super::codec::value_entry(&mut map, "versionNeeded", item)?;
        }
        serde::ser::SerializeMap::end(map)
    }
}

impl<'de> serde::Deserialize<'de> for CodeSystem {
    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("CodeSystem");
        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)
    }
}

/// Concepts in the code system
///
/// Concepts that are in the code system. The concept definitions are inherently
/// hierarchical, but the definitions must be consulted to determine what the
/// meanings of the hierarchical relationships are.
#[derive(Debug, Clone, Default, PartialEq, Eq)]
pub struct CodeSystemConcept {
    /// Unique id for inter-element referencing
    ///
    /// 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. To make the use of extensions safe and
    /// managable, 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 even if unrecognized
    ///
    /// 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 in which it is contained 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 managable, 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.
    /// 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>,
    /// Code that identifies concept
    ///
    /// A code - a text symbol - that uniquely identifies the concept within the
    /// code system.
    pub code: super::primitives::Code,
    /// Text to display to the user
    ///
    /// A human readable string that is the recommended default way to present this
    /// concept to a user.
    pub display: Option<super::primitives::String>,
    /// Formal definition
    ///
    /// The formal definition of the concept. The code system resource does not make
    /// formal definitions required, because of the prevalence of legacy systems.
    /// However, they are highly recommended, as without them there is no formal
    /// meaning associated with the concept.
    pub definition: Option<super::primitives::String>,
    /// Additional representations for the concept
    ///
    /// Additional representations for the concept - other languages, aliases,
    /// specialized purposes, used for particular purposes, etc.
    pub designation: Vec<CodeSystemConceptDesignation>,
    /// Property value for the concept
    ///
    /// A property value for this concept.
    pub property: Vec<CodeSystemConceptProperty>,
    /// Child Concepts (is-a/contains/categorizes)
    ///
    /// Defines children of a concept to produce a hierarchy of concepts. The nature
    /// of the relationships is variable (is-a/contains/categorizes) - see
    /// hierarchyMeaning.
    pub concept: Vec<CodeSystemConcept>,
}

impl super::super::codec::Json for CodeSystemConcept {
    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(v) = super::super::codec::Primitive::value_json(&self.code)? {
            object.insert(std::string::String::from("code"), v);
        }
        if let Some(e) = super::super::codec::Primitive::element_json(&self.code)? {
            object.insert(std::string::String::from("_code"), e);
        }
        if let Some(item) = &self.display {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("display"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_display"), e);
            }
        }
        if let Some(item) = &self.definition {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("definition"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_definition"), e);
            }
        }
        if !self.designation.is_empty() {
            let mut items = Vec::with_capacity(self.designation.len());
            for item in &self.designation {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("designation"),
                super::super::codec::Value::Array(items),
            );
        }
        if !self.property.is_empty() {
            let mut items = Vec::with_capacity(self.property.len());
            for item in &self.property {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("property"),
                super::super::codec::Value::Array(items),
            );
        }
        if !self.concept.is_empty() {
            let mut items = Vec::with_capacity(self.concept.len());
            for item in &self.concept {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("concept"),
                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_code_element: Option<&super::super::codec::Value> = None;
        let mut raw_display: Option<&super::super::codec::Value> = None;
        let mut raw_display_element: Option<&super::super::codec::Value> = None;
        let mut raw_definition: Option<&super::super::codec::Value> = None;
        let mut raw_definition_element: Option<&super::super::codec::Value> = None;
        let mut raw_designation: Option<&super::super::codec::Value> = None;
        let mut raw_property: Option<&super::super::codec::Value> = None;
        let mut raw_concept: 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);
                }
                "_code" => {
                    raw_code_element = Some(value);
                }
                "display" => {
                    raw_display = Some(value);
                }
                "_display" => {
                    raw_display_element = Some(value);
                }
                "definition" => {
                    raw_definition = Some(value);
                }
                "_definition" => {
                    raw_definition_element = Some(value);
                }
                "designation" => {
                    raw_designation = Some(value);
                }
                "property" => {
                    raw_property = Some(value);
                }
                "concept" => {
                    raw_concept = 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::primitives::checked_string(
                        super::super::codec::expect_string(value, path)?,
                        path,
                    )
                })
            })
            .transpose()?;
        let mut field_extension = Vec::new();
        if let Some(raw) = raw_extension {
            for (index, value) in path
                .with("extension", |path| {
                    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 path
                .with("modifierExtension", |path| {
                    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| {
            super::super::codec::Primitive::from_json_parts(raw_code, raw_code_element, path)
        })?;
        let field_display = match (raw_display, raw_display_element) {
            (None, None) => None,
            (value, element) => Some(path.with("display", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?),
        };
        let field_definition = match (raw_definition, raw_definition_element) {
            (None, None) => None,
            (value, element) => Some(path.with("definition", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?),
        };
        let mut field_designation = Vec::new();
        if let Some(raw) = raw_designation {
            for (index, value) in path
                .with("designation", |path| {
                    super::super::codec::expect_array(raw, path)
                })?
                .iter()
                .enumerate()
            {
                field_designation.push(path.with_index("designation", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let mut field_property = Vec::new();
        if let Some(raw) = raw_property {
            for (index, value) in path
                .with("property", |path| {
                    super::super::codec::expect_array(raw, path)
                })?
                .iter()
                .enumerate()
            {
                field_property.push(path.with_index("property", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let mut field_concept = Vec::new();
        if let Some(raw) = raw_concept {
            for (index, value) in path
                .with("concept", |path| {
                    super::super::codec::expect_array(raw, path)
                })?
                .iter()
                .enumerate()
            {
                field_concept.push(path.with_index("concept", 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,
            display: field_display,
            definition: field_definition,
            designation: field_designation,
            property: field_property,
            concept: field_concept,
        })
    }
}

impl serde::Serialize for CodeSystemConcept {
    fn serialize<S: serde::Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
        let mut map = serde::Serializer::serialize_map(serializer, None)?;
        super::super::codec::element_entry(&mut map, "_code", &self.code)?;
        if let Some(item) = &self.definition {
            super::super::codec::element_entry(&mut map, "_definition", item)?;
        }
        if let Some(item) = &self.display {
            super::super::codec::element_entry(&mut map, "_display", item)?;
        }
        super::super::codec::value_entry(&mut map, "code", &self.code)?;
        if !self.concept.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "concept", &self.concept)?;
        }
        if let Some(item) = &self.definition {
            super::super::codec::value_entry(&mut map, "definition", item)?;
        }
        if !self.designation.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "designation", &self.designation)?;
        }
        if let Some(item) = &self.display {
            super::super::codec::value_entry(&mut map, "display", 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,
            )?;
        }
        if !self.property.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "property", &self.property)?;
        }
        serde::ser::SerializeMap::end(map)
    }
}

impl<'de> serde::Deserialize<'de> for CodeSystemConcept {
    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("CodeSystemConcept");
        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)
    }
}

/// Additional representations for the concept
///
/// Additional representations for the concept - other languages, aliases,
/// specialized purposes, used for particular purposes, etc.
#[derive(Debug, Clone, Default, PartialEq, Eq)]
pub struct CodeSystemConceptDesignation {
    /// Unique id for inter-element referencing
    ///
    /// 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. To make the use of extensions safe and
    /// managable, 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 even if unrecognized
    ///
    /// 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 in which it is contained 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 managable, 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.
    /// 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>,
    /// Human language of the designation
    ///
    /// The language this designation is defined for.
    pub language: Option<super::primitives::Code>,
    /// Details how this designation would be used
    ///
    /// A code that details how this designation would be used.
    pub r#use: Option<super::coding::Coding>,
    /// Additional ways how this designation would be used
    ///
    /// Additional codes that detail how this designation would be used, if there is
    /// more than one use.
    pub additional_use: Vec<super::coding::Coding>,
    /// The text value for this designation.
    pub value: super::primitives::String,
}

impl super::super::codec::Json for CodeSystemConceptDesignation {
    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.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.r#use {
            object.insert(
                std::string::String::from("use"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        if !self.additional_use.is_empty() {
            let mut items = Vec::with_capacity(self.additional_use.len());
            for item in &self.additional_use {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("additionalUse"),
                super::super::codec::Value::Array(items),
            );
        }
        if let Some(v) = super::super::codec::Primitive::value_json(&self.value)? {
            object.insert(std::string::String::from("value"), v);
        }
        if let Some(e) = super::super::codec::Primitive::element_json(&self.value)? {
            object.insert(std::string::String::from("_value"), 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_language: Option<&super::super::codec::Value> = None;
        let mut raw_language_element: Option<&super::super::codec::Value> = None;
        let mut raw_use: Option<&super::super::codec::Value> = None;
        let mut raw_additional_use: Option<&super::super::codec::Value> = None;
        let mut raw_value: Option<&super::super::codec::Value> = None;
        let mut raw_value_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);
                }
                "language" => {
                    raw_language = Some(value);
                }
                "_language" => {
                    raw_language_element = Some(value);
                }
                "use" => {
                    raw_use = Some(value);
                }
                "additionalUse" => {
                    raw_additional_use = Some(value);
                }
                "value" => {
                    raw_value = Some(value);
                }
                "_value" => {
                    raw_value_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::primitives::checked_string(
                        super::super::codec::expect_string(value, path)?,
                        path,
                    )
                })
            })
            .transpose()?;
        let mut field_extension = Vec::new();
        if let Some(raw) = raw_extension {
            for (index, value) in path
                .with("extension", |path| {
                    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 path
                .with("modifierExtension", |path| {
                    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_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_use = raw_use
            .map(|value| {
                path.with("use", |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_additional_use = Vec::new();
        if let Some(raw) = raw_additional_use {
            for (index, value) in path
                .with("additionalUse", |path| {
                    super::super::codec::expect_array(raw, path)
                })?
                .iter()
                .enumerate()
            {
                field_additional_use.push(path.with_index("additionalUse", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let field_value = path.with("value", |path| {
            super::super::codec::Primitive::from_json_parts(raw_value, raw_value_element, path)
        })?;
        Ok(Self {
            id: field_id,
            extension: field_extension,
            modifier_extension: field_modifier_extension,
            language: field_language,
            r#use: field_use,
            additional_use: field_additional_use,
            value: field_value,
        })
    }
}

impl serde::Serialize for CodeSystemConceptDesignation {
    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.language {
            super::super::codec::element_entry(&mut map, "_language", item)?;
        }
        super::super::codec::element_entry(&mut map, "_value", &self.value)?;
        if !self.additional_use.is_empty() {
            serde::ser::SerializeMap::serialize_entry(
                &mut map,
                "additionalUse",
                &self.additional_use,
            )?;
        }
        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.language {
            super::super::codec::value_entry(&mut map, "language", item)?;
        }
        if !self.modifier_extension.is_empty() {
            serde::ser::SerializeMap::serialize_entry(
                &mut map,
                "modifierExtension",
                &self.modifier_extension,
            )?;
        }
        if let Some(item) = &self.r#use {
            serde::ser::SerializeMap::serialize_entry(&mut map, "use", item)?;
        }
        super::super::codec::value_entry(&mut map, "value", &self.value)?;
        serde::ser::SerializeMap::end(map)
    }
}

impl<'de> serde::Deserialize<'de> for CodeSystemConceptDesignation {
    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("CodeSystemConceptDesignation");
        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)
    }
}

/// Property value for the concept
///
/// A property value for this concept.
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct CodeSystemConceptProperty {
    /// Unique id for inter-element referencing
    ///
    /// 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. To make the use of extensions safe and
    /// managable, 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 even if unrecognized
    ///
    /// 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 in which it is contained 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 managable, 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.
    /// 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>,
    /// Reference to CodeSystem.property.code or a FHIR defined concept-property
    ///
    /// Identifies a property that is either defined in this CodeSystem
    /// (\`CodeSystem.property.code\`) or is a code from
    /// \[<http://hl7.org/fhir/concept-properties>\](codesystem.html\#defined-props).
    pub code: super::primitives::Code,
    /// Value of the property for this concept
    ///
    /// The value of this property.
    pub value: CodeSystemConceptPropertyValue,
}

impl super::super::codec::Json for CodeSystemConceptProperty {
    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(v) = super::super::codec::Primitive::value_json(&self.code)? {
            object.insert(std::string::String::from("code"), v);
        }
        if let Some(e) = super::super::codec::Primitive::element_json(&self.code)? {
            object.insert(std::string::String::from("_code"), e);
        }
        let (suffix, value, element) = self.value.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);
        }
        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_code_element: Option<&super::super::codec::Value> = None;
        let mut raw_value = super::super::codec::ChoiceSlot::default();
        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);
                }
                "_code" => {
                    raw_code_element = Some(value);
                }
                "valueCode" => {
                    raw_value.value("Code", value, path)?;
                }
                "_valueCode" => {
                    raw_value.element("Code", value, path)?;
                }
                "valueCoding" => {
                    raw_value.value("Coding", value, path)?;
                }
                "_valueCoding" => {
                    raw_value.element("Coding", value, path)?;
                }
                "valueString" => {
                    raw_value.value("String", value, path)?;
                }
                "_valueString" => {
                    raw_value.element("String", value, path)?;
                }
                "valueInteger" => {
                    raw_value.value("Integer", value, path)?;
                }
                "_valueInteger" => {
                    raw_value.element("Integer", value, path)?;
                }
                "valueBoolean" => {
                    raw_value.value("Boolean", value, path)?;
                }
                "_valueBoolean" => {
                    raw_value.element("Boolean", value, path)?;
                }
                "valueDateTime" => {
                    raw_value.value("DateTime", value, path)?;
                }
                "_valueDateTime" => {
                    raw_value.element("DateTime", value, path)?;
                }
                "valueDecimal" => {
                    raw_value.value("Decimal", value, path)?;
                }
                "_valueDecimal" => {
                    raw_value.element("Decimal", value, path)?;
                }
                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::primitives::checked_string(
                        super::super::codec::expect_string(value, path)?,
                        path,
                    )
                })
            })
            .transpose()?;
        let mut field_extension = Vec::new();
        if let Some(raw) = raw_extension {
            for (index, value) in path
                .with("extension", |path| {
                    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 path
                .with("modifierExtension", |path| {
                    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| {
            super::super::codec::Primitive::from_json_parts(raw_code, raw_code_element, path)
        })?;
        let field_value = path.with("value", |path| {
            let suffix = raw_value
                .suffix
                .ok_or_else(|| path.error(super::super::codec::DecodeErrorKind::MissingProperty))?;
            CodeSystemConceptPropertyValue::from_json_parts(
                suffix,
                raw_value.value,
                raw_value.element,
                path,
            )
        })?;
        Ok(Self {
            id: field_id,
            extension: field_extension,
            modifier_extension: field_modifier_extension,
            code: field_code,
            value: field_value,
        })
    }
}

impl serde::Serialize for CodeSystemConceptProperty {
    fn serialize<S: serde::Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
        let mut map = serde::Serializer::serialize_map(serializer, None)?;
        super::super::codec::element_entry(&mut map, "_code", &self.code)?;
        match &self.value {
            CodeSystemConceptPropertyValue::Boolean(inner) => {
                super::super::codec::element_entry(&mut map, "_valueBoolean", inner)?;
            }
            CodeSystemConceptPropertyValue::Code(inner) => {
                super::super::codec::element_entry(&mut map, "_valueCode", inner)?;
            }
            CodeSystemConceptPropertyValue::DateTime(inner) => {
                super::super::codec::element_entry(&mut map, "_valueDateTime", inner)?;
            }
            CodeSystemConceptPropertyValue::Decimal(inner) => {
                super::super::codec::element_entry(&mut map, "_valueDecimal", inner)?;
            }
            CodeSystemConceptPropertyValue::Integer(inner) => {
                super::super::codec::element_entry(&mut map, "_valueInteger", inner)?;
            }
            CodeSystemConceptPropertyValue::String(inner) => {
                super::super::codec::element_entry(&mut map, "_valueString", inner)?;
            }
            CodeSystemConceptPropertyValue::Coding(_) => {}
        }
        super::super::codec::value_entry(&mut map, "code", &self.code)?;
        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,
            )?;
        }
        match &self.value {
            CodeSystemConceptPropertyValue::Boolean(inner) => {
                super::super::codec::value_entry(&mut map, "valueBoolean", inner)?;
            }
            CodeSystemConceptPropertyValue::Code(inner) => {
                super::super::codec::value_entry(&mut map, "valueCode", inner)?;
            }
            CodeSystemConceptPropertyValue::Coding(inner) => {
                serde::ser::SerializeMap::serialize_entry(&mut map, "valueCoding", inner.as_ref())?;
            }
            CodeSystemConceptPropertyValue::DateTime(inner) => {
                super::super::codec::value_entry(&mut map, "valueDateTime", inner)?;
            }
            CodeSystemConceptPropertyValue::Decimal(inner) => {
                super::super::codec::value_entry(&mut map, "valueDecimal", inner)?;
            }
            CodeSystemConceptPropertyValue::Integer(inner) => {
                super::super::codec::value_entry(&mut map, "valueInteger", inner)?;
            }
            CodeSystemConceptPropertyValue::String(inner) => {
                super::super::codec::value_entry(&mut map, "valueString", inner)?;
            }
        }
        serde::ser::SerializeMap::end(map)
    }
}

impl<'de> serde::Deserialize<'de> for CodeSystemConceptProperty {
    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("CodeSystemConceptProperty");
        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 \`CodeSystemConceptProperty\`.
///
/// The value of this property.
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum CodeSystemConceptPropertyValue {
    /// The `code` form.
    Code(super::primitives::Code),
    /// The `Coding` form.
    Coding(Box<super::coding::Coding>),
    /// The `string` form.
    String(super::primitives::String),
    /// The `integer` form.
    Integer(super::primitives::Integer),
    /// The `boolean` form.
    Boolean(super::primitives::Boolean),
    /// The `dateTime` form.
    DateTime(super::primitives::DateTime),
    /// The `decimal` form.
    Decimal(super::primitives::Decimal),
}

impl CodeSystemConceptPropertyValue {
    /// 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::Code(inner) => Ok((
                "Code",
                super::super::codec::Primitive::value_json(inner)?,
                super::super::codec::Primitive::element_json(inner)?,
            )),
            Self::Coding(inner) => Ok((
                "Coding",
                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::Integer(inner) => Ok((
                "Integer",
                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::DateTime(inner) => Ok((
                "DateTime",
                super::super::codec::Primitive::value_json(inner)?,
                super::super::codec::Primitive::element_json(inner)?,
            )),
            Self::Decimal(inner) => Ok((
                "Decimal",
                super::super::codec::Primitive::value_json(inner)?,
                super::super::codec::Primitive::element_json(inner)?,
            )),
        }
    }

    /// 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 {
            "Code" => Ok(Self::Code(super::super::codec::Primitive::from_json_parts(
                value, element, path,
            )?)),
            "Coding" => {
                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::Coding(Box::new(inner)))
            }
            "String" => Ok(Self::String(
                super::super::codec::Primitive::from_json_parts(value, element, path)?,
            )),
            "Integer" => Ok(Self::Integer(
                super::super::codec::Primitive::from_json_parts(value, element, path)?,
            )),
            "Boolean" => Ok(Self::Boolean(
                super::super::codec::Primitive::from_json_parts(value, element, path)?,
            )),
            "DateTime" => Ok(Self::DateTime(
                super::super::codec::Primitive::from_json_parts(value, element, path)?,
            )),
            "Decimal" => Ok(Self::Decimal(
                super::super::codec::Primitive::from_json_parts(value, element, path)?,
            )),
            _ => Err(path.error(super::super::codec::DecodeErrorKind::UnknownProperty)),
        }
    }
}

/// Filter that can be used in a value set
///
/// A filter that can be used in a value set compose statement when selecting
/// concepts using a filter.
#[derive(Debug, Clone, Default, PartialEq, Eq)]
pub struct CodeSystemFilter {
    /// Unique id for inter-element referencing
    ///
    /// 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. To make the use of extensions safe and
    /// managable, 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 even if unrecognized
    ///
    /// 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 in which it is contained 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 managable, 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.
    /// 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>,
    /// Code that identifies the filter
    ///
    /// The code that identifies this filter when it is used as a filter in
    /// \[ValueSet\](valueset.html\#).compose.include.filter.
    pub code: super::primitives::Code,
    /// How or why the filter is used
    ///
    /// A description of how or why the filter is used.
    pub description: Option<super::primitives::String>,
    /// = | is-a | descendent-of | is-not-a | regex | in | not-in | generalizes |
    /// child-of | descendent-leaf | exists | property-value-of
    ///
    /// A list of operators that can be used with the filter.
    pub operator: Vec<super::primitives::Code>,
    /// Code from the system, or regex criteria, or boolean value for exists
    ///
    /// CodeSystem.filter.value is represented as a string, and the string value
    /// must be as described in \[Using Filter
    /// Values\](valueset.html\#filter-values).
    pub value: super::primitives::String,
}

impl super::super::codec::Json for CodeSystemFilter {
    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(v) = super::super::codec::Primitive::value_json(&self.code)? {
            object.insert(std::string::String::from("code"), v);
        }
        if let Some(e) = super::super::codec::Primitive::element_json(&self.code)? {
            object.insert(std::string::String::from("_code"), e);
        }
        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.operator.is_empty() {
            let (values, elements) = super::super::codec::primitive_arrays(&self.operator)?;
            if let Some(values) = values {
                object.insert(std::string::String::from("operator"), values);
            }
            if let Some(elements) = elements {
                object.insert(std::string::String::from("_operator"), elements);
            }
        }
        if let Some(v) = super::super::codec::Primitive::value_json(&self.value)? {
            object.insert(std::string::String::from("value"), v);
        }
        if let Some(e) = super::super::codec::Primitive::element_json(&self.value)? {
            object.insert(std::string::String::from("_value"), 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_code: Option<&super::super::codec::Value> = None;
        let mut raw_code_element: 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_operator: Option<&super::super::codec::Value> = None;
        let mut raw_operator_element: Option<&super::super::codec::Value> = None;
        let mut raw_value: Option<&super::super::codec::Value> = None;
        let mut raw_value_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);
                }
                "code" => {
                    raw_code = Some(value);
                }
                "_code" => {
                    raw_code_element = Some(value);
                }
                "description" => {
                    raw_description = Some(value);
                }
                "_description" => {
                    raw_description_element = Some(value);
                }
                "operator" => {
                    raw_operator = Some(value);
                }
                "_operator" => {
                    raw_operator_element = Some(value);
                }
                "value" => {
                    raw_value = Some(value);
                }
                "_value" => {
                    raw_value_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::primitives::checked_string(
                        super::super::codec::expect_string(value, path)?,
                        path,
                    )
                })
            })
            .transpose()?;
        let mut field_extension = Vec::new();
        if let Some(raw) = raw_extension {
            for (index, value) in path
                .with("extension", |path| {
                    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 path
                .with("modifierExtension", |path| {
                    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| {
            super::super::codec::Primitive::from_json_parts(raw_code, raw_code_element, 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_operator = Vec::new();
        for (index, (value, element)) in path
            .with("operator", |path| {
                super::super::codec::pair_arrays(raw_operator, raw_operator_element, path)
            })?
            .into_iter()
            .enumerate()
        {
            field_operator.push(path.with_index("operator", index, |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?);
        }
        if field_operator.is_empty() && !path.is_lenient() {
            return path.with("operator", |path| {
                Err(path.error(super::super::codec::DecodeErrorKind::MissingProperty))
            });
        }
        let field_value = path.with("value", |path| {
            super::super::codec::Primitive::from_json_parts(raw_value, raw_value_element, path)
        })?;
        Ok(Self {
            id: field_id,
            extension: field_extension,
            modifier_extension: field_modifier_extension,
            code: field_code,
            description: field_description,
            operator: field_operator,
            value: field_value,
        })
    }
}

impl serde::Serialize for CodeSystemFilter {
    fn serialize<S: serde::Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
        let mut map = serde::Serializer::serialize_map(serializer, None)?;
        super::super::codec::element_entry(&mut map, "_code", &self.code)?;
        if let Some(item) = &self.description {
            super::super::codec::element_entry(&mut map, "_description", item)?;
        }
        super::super::codec::element_list_entry(&mut map, "_operator", &self.operator)?;
        super::super::codec::element_entry(&mut map, "_value", &self.value)?;
        super::super::codec::value_entry(&mut map, "code", &self.code)?;
        if let Some(item) = &self.description {
            super::super::codec::value_entry(&mut map, "description", 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,
            )?;
        }
        super::super::codec::value_list_entry(&mut map, "operator", &self.operator)?;
        super::super::codec::value_entry(&mut map, "value", &self.value)?;
        serde::ser::SerializeMap::end(map)
    }
}

impl<'de> serde::Deserialize<'de> for CodeSystemFilter {
    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("CodeSystemFilter");
        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)
    }
}

/// Additional information supplied about each concept
///
/// A property defines an additional slot through which additional information
/// can be provided about a concept.
#[derive(Debug, Clone, Default, PartialEq, Eq)]
pub struct CodeSystemProperty {
    /// Unique id for inter-element referencing
    ///
    /// 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. To make the use of extensions safe and
    /// managable, 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 even if unrecognized
    ///
    /// 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 in which it is contained 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 managable, 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.
    /// 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>,
    /// Identifies the property on the concepts, and when referred to in operations
    ///
    /// A code that is used to identify the property. The code is used internally
    /// (in CodeSystem.concept.property.code) and also externally, such as in
    /// property filters.
    pub code: super::primitives::Code,
    /// Formal identifier for the property
    ///
    /// Reference to the formal meaning of the property. One possible source of
    /// meaning is the \[Concept Properties\](codesystem-concept-properties.html)
    /// code system.
    pub uri: Option<super::primitives::Uri>,
    /// Why the property is defined, and/or what it conveys
    ///
    /// A description of the property- why it is defined, and how its value might be
    /// used.
    pub description: Option<super::primitives::String>,
    /// code | Coding | string | integer | boolean | dateTime | decimal
    ///
    /// The type of the property value. Properties of type "code" contain a code
    /// defined by the code system or another code system.
    pub r#type: super::primitives::Code,
}

impl super::super::codec::Json for CodeSystemProperty {
    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(v) = super::super::codec::Primitive::value_json(&self.code)? {
            object.insert(std::string::String::from("code"), v);
        }
        if let Some(e) = super::super::codec::Primitive::element_json(&self.code)? {
            object.insert(std::string::String::from("_code"), e);
        }
        if let Some(item) = &self.uri {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("uri"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_uri"), e);
            }
        }
        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 let Some(v) = super::super::codec::Primitive::value_json(&self.r#type)? {
            object.insert(std::string::String::from("type"), v);
        }
        if let Some(e) = super::super::codec::Primitive::element_json(&self.r#type)? {
            object.insert(std::string::String::from("_type"), 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_code: Option<&super::super::codec::Value> = None;
        let mut raw_code_element: Option<&super::super::codec::Value> = None;
        let mut raw_uri: Option<&super::super::codec::Value> = None;
        let mut raw_uri_element: 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_type: Option<&super::super::codec::Value> = None;
        let mut raw_type_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);
                }
                "code" => {
                    raw_code = Some(value);
                }
                "_code" => {
                    raw_code_element = Some(value);
                }
                "uri" => {
                    raw_uri = Some(value);
                }
                "_uri" => {
                    raw_uri_element = Some(value);
                }
                "description" => {
                    raw_description = Some(value);
                }
                "_description" => {
                    raw_description_element = Some(value);
                }
                "type" => {
                    raw_type = Some(value);
                }
                "_type" => {
                    raw_type_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::primitives::checked_string(
                        super::super::codec::expect_string(value, path)?,
                        path,
                    )
                })
            })
            .transpose()?;
        let mut field_extension = Vec::new();
        if let Some(raw) = raw_extension {
            for (index, value) in path
                .with("extension", |path| {
                    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 path
                .with("modifierExtension", |path| {
                    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| {
            super::super::codec::Primitive::from_json_parts(raw_code, raw_code_element, path)
        })?;
        let field_uri = match (raw_uri, raw_uri_element) {
            (None, None) => None,
            (value, element) => Some(path.with("uri", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, 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 field_type = path.with("type", |path| {
            super::super::codec::Primitive::from_json_parts(raw_type, raw_type_element, path)
        })?;
        Ok(Self {
            id: field_id,
            extension: field_extension,
            modifier_extension: field_modifier_extension,
            code: field_code,
            uri: field_uri,
            description: field_description,
            r#type: field_type,
        })
    }
}

impl serde::Serialize for CodeSystemProperty {
    fn serialize<S: serde::Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
        let mut map = serde::Serializer::serialize_map(serializer, None)?;
        super::super::codec::element_entry(&mut map, "_code", &self.code)?;
        if let Some(item) = &self.description {
            super::super::codec::element_entry(&mut map, "_description", item)?;
        }
        super::super::codec::element_entry(&mut map, "_type", &self.r#type)?;
        if let Some(item) = &self.uri {
            super::super::codec::element_entry(&mut map, "_uri", item)?;
        }
        super::super::codec::value_entry(&mut map, "code", &self.code)?;
        if let Some(item) = &self.description {
            super::super::codec::value_entry(&mut map, "description", 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,
            )?;
        }
        super::super::codec::value_entry(&mut map, "type", &self.r#type)?;
        if let Some(item) = &self.uri {
            super::super::codec::value_entry(&mut map, "uri", item)?;
        }
        serde::ser::SerializeMap::end(map)
    }
}

impl<'de> serde::Deserialize<'de> for CodeSystemProperty {
    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("CodeSystemProperty");
        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 \`versionAlgorithm\[x\]\` choice of \`CodeSystem\`.
///
/// Indicates the mechanism used to compare versions to determine which
/// CodeSystem is more current.
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum CodeSystemVersionAlgorithm {
    /// The `string` form.
    String(super::primitives::String),
    /// The `Coding` form.
    Coding(Box<super::coding::Coding>),
}

impl CodeSystemVersionAlgorithm {
    /// 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::String(inner) => Ok((
                "String",
                super::super::codec::Primitive::value_json(inner)?,
                super::super::codec::Primitive::element_json(inner)?,
            )),
            Self::Coding(inner) => Ok((
                "Coding",
                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 {
            "String" => Ok(Self::String(
                super::super::codec::Primitive::from_json_parts(value, element, path)?,
            )),
            "Coding" => {
                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::Coding(Box::new(inner)))
            }
            _ => Err(path.error(super::super::codec::DecodeErrorKind::UnknownProperty)),
        }
    }
}