fhir-types 0.1.106

// @generated by fhir-codegen from hl7.fhir.r4b.core 4.3.0. DO NOT EDIT.
// Change the emitter (tools/fhir-codegen) and regenerate.
// SPDX-FileCopyrightText: Vernum Projecten B.V.
// SPDX-License-Identifier: Apache-2.0
//! Investigation to increase healthcare-related patient-independent knowledge

/// Investigation to increase healthcare-related patient-independent knowledge
///
/// A process where a researcher or organization plans and then executes a
/// series of steps intended to increase the field of healthcare-related
/// knowledge. This includes studies of safety, efficacy, comparative
/// effectiveness and other information about medications, devices, therapies
/// and other interventional and investigative techniques. A ResearchStudy
/// involves the gathering of information about human or animal subjects.
#[derive(Debug, Clone, Default, PartialEq, Eq)]
pub struct ResearchStudy {
    /// Logical id of this artifact
    ///
    /// The logical id of the resource, as used in the URL for the resource. Once
    /// assigned, this value never changes.
    pub id: Option<std::string::String>,
    /// Metadata about the resource
    ///
    /// The metadata about the resource. This is content that is maintained by the
    /// infrastructure. Changes to the content might not always be associated with
    /// version changes to the resource.
    pub meta: Option<super::meta::Meta>,
    /// A set of rules under which this content was created
    ///
    /// A reference to a set of rules that were followed when the resource was
    /// constructed, and which must be understood when processing the content.
    /// Often, this is a reference to an implementation guide that defines the
    /// special rules along with other profiles etc.
    pub implicit_rules: Option<super::primitives::Uri>,
    /// Language of the resource content
    ///
    /// The base language in which the resource is written.
    pub language: Option<super::primitives::Code>,
    /// Text summary of the resource, for human interpretation
    ///
    /// A human-readable narrative that contains a summary of the resource and can
    /// be used to represent the content of the resource to a human. The narrative
    /// need not encode all the structured data, but is required to contain
    /// sufficient detail to make it "clinically safe" for a human to just read the
    /// narrative. Resource definitions may define what content should be
    /// represented in the narrative to ensure clinical safety.
    pub text: Option<super::narrative::Narrative>,
    /// Contained, inline Resources
    ///
    /// These resources do not have an independent existence apart from the resource
    /// that contains them - they cannot be identified independently, and nor can
    /// they have their own independent transaction scope.
    pub contained: Vec<super::resource::Resource>,
    /// Additional content defined by implementations
    ///
    /// May be used to represent additional information that is not part of the
    /// basic definition of the resource. To make the use of extensions safe and
    /// manageable, there is a strict set of governance applied to the definition
    /// and use of extensions. Though any implementer can define an extension, there
    /// is a set of requirements that SHALL be met as part of the definition of the
    /// extension.
    pub extension: Vec<super::extension::Extension>,
    /// Extensions that cannot be ignored
    ///
    /// May be used to represent additional information that is not part of the
    /// basic definition of the resource and that modifies the understanding of the
    /// element that contains it and/or the understanding of the containing
    /// element's descendants. Usually modifier elements provide negation or
    /// qualification. To make the use of extensions safe and manageable, there is a
    /// strict set of governance applied to the definition and use of extensions.
    /// Though any implementer is allowed to define an extension, there is a set of
    /// requirements that SHALL be met as part of the definition of the extension.
    /// Applications processing a resource are required to check for modifier
    /// extensions. Modifier extensions SHALL NOT change the meaning of any elements
    /// on Resource or DomainResource (including cannot change the meaning of
    /// modifierExtension itself).
    pub modifier_extension: Vec<super::extension::Extension>,
    /// Business Identifier for study
    ///
    /// Identifiers assigned to this research study by the sponsor or other systems.
    pub identifier: Vec<super::identifier::Identifier>,
    /// Name for this study
    ///
    /// A short, descriptive user-friendly label for the study.
    pub title: Option<super::primitives::String>,
    /// Steps followed in executing study
    ///
    /// The set of steps expected to be performed as part of the execution of the
    /// study.
    pub protocol: Vec<super::reference::Reference>,
    /// Part of larger study
    ///
    /// A larger research study of which this particular study is a component or
    /// step.
    pub part_of: Vec<super::reference::Reference>,
    /// active | administratively-completed | approved | closed-to-accrual |
    /// closed-to-accrual-and-intervention | completed | disapproved | in-review |
    /// temporarily-closed-to-accrual |
    /// temporarily-closed-to-accrual-and-intervention | withdrawn
    ///
    /// The current state of the study.
    pub status: super::primitives::Code,
    /// treatment | prevention | diagnostic | supportive-care | screening |
    /// health-services-research | basic-science | device-feasibility
    ///
    /// The type of study based upon the intent of the study's activities. A
    /// classification of the intent of the study.
    pub primary_purpose_type: Option<super::codeable_concept::CodeableConcept>,
    /// n-a | early-phase-1 | phase-1 | phase-1-phase-2 | phase-2 | phase-2-phase-3
    /// | phase-3 | phase-4
    ///
    /// The stage in the progression of a therapy from initial experimental use in
    /// humans in clinical trials to post-market evaluation.
    pub phase: Option<super::codeable_concept::CodeableConcept>,
    /// Classifications for the study
    ///
    /// Codes categorizing the type of study such as investigational vs.
    /// observational, type of blinding, type of randomization, safety vs. efficacy,
    /// etc.
    pub category: Vec<super::codeable_concept::CodeableConcept>,
    /// Drugs, devices, etc. under study
    ///
    /// The medication(s), food(s), therapy(ies), device(s) or other concerns or
    /// interventions that the study is seeking to gain more information about.
    pub focus: Vec<super::codeable_concept::CodeableConcept>,
    /// Condition being studied
    ///
    /// The condition that is the focus of the study. For example, In a study to
    /// examine risk factors for Lupus, might have as an inclusion criterion
    /// "healthy volunteer", but the target condition code would be a Lupus SNOMED
    /// code.
    pub condition: Vec<super::codeable_concept::CodeableConcept>,
    /// Contact details for the study
    ///
    /// Contact details to assist a user in learning more about or engaging with the
    /// study.
    pub contact: Vec<super::contact_detail::ContactDetail>,
    /// References and dependencies
    ///
    /// Citations, references and other related documents.
    pub related_artifact: Vec<super::related_artifact::RelatedArtifact>,
    /// Used to search for the study
    ///
    /// Key terms to aid in searching for or filtering the study.
    pub keyword: Vec<super::codeable_concept::CodeableConcept>,
    /// Geographic region(s) for study
    ///
    /// Indicates a country, state or other region where the study is taking place.
    pub location: Vec<super::codeable_concept::CodeableConcept>,
    /// What this is study doing
    ///
    /// A full description of how the study is being conducted.
    pub description: Option<super::primitives::Markdown>,
    /// Inclusion & exclusion criteria
    ///
    /// Reference to a Group that defines the criteria for and quantity of subjects
    /// participating in the study. E.g. " 200 female Europeans between the ages of
    /// 20 and 45 with early onset diabetes".
    pub enrollment: Vec<super::reference::Reference>,
    /// When the study began and ended
    ///
    /// Identifies the start date and the expected (or actual, depending on status)
    /// end date for the study.
    pub period: Option<super::period::Period>,
    /// Organization that initiates and is legally responsible for the study
    ///
    /// An organization that initiates the investigation and is legally responsible
    /// for the study.
    pub sponsor: Option<super::reference::Reference>,
    /// Researcher who oversees multiple aspects of the study
    ///
    /// A researcher in a study who oversees multiple aspects of the study, such as
    /// concept development, protocol writing, protocol submission for IRB approval,
    /// participant recruitment, informed consent, data collection, analysis,
    /// interpretation and presentation.
    pub principal_investigator: Option<super::reference::Reference>,
    /// Facility where study activities are conducted
    ///
    /// A facility in which study activities are conducted.
    pub site: Vec<super::reference::Reference>,
    /// accrual-goal-met | closed-due-to-toxicity |
    /// closed-due-to-lack-of-study-progress | temporarily-closed-per-study-design
    ///
    /// A description and/or code explaining the premature termination of the study.
    pub reason_stopped: Option<super::codeable_concept::CodeableConcept>,
    /// Comments made about the study
    ///
    /// Comments made about the study by the performer, subject or other
    /// participants.
    pub note: Vec<super::annotation::Annotation>,
    /// Defined path through the study for a subject
    ///
    /// Describes an expected sequence of events for one of the participants of a
    /// study. E.g. Exposure to drug A, wash-out, exposure to drug B, wash-out,
    /// follow-up.
    pub arm: Vec<ResearchStudyArm>,
    /// A goal for the study
    ///
    /// A goal that the study is aiming to achieve in terms of a scientific question
    /// to be answered by the analysis of data collected during the study.
    pub objective: Vec<ResearchStudyObjective>,
}

impl super::super::codec::Json for ResearchStudy {
    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("ResearchStudy")),
        );
        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 !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.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 !self.protocol.is_empty() {
            let mut items = Vec::with_capacity(self.protocol.len());
            for item in &self.protocol {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("protocol"),
                super::super::codec::Value::Array(items),
            );
        }
        if !self.part_of.is_empty() {
            let mut items = Vec::with_capacity(self.part_of.len());
            for item in &self.part_of {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("partOf"),
                super::super::codec::Value::Array(items),
            );
        }
        if let Some(v) = super::super::codec::Primitive::value_json(&self.status)? {
            object.insert(std::string::String::from("status"), v);
        }
        if let Some(e) = super::super::codec::Primitive::element_json(&self.status)? {
            object.insert(std::string::String::from("_status"), e);
        }
        if let Some(item) = &self.primary_purpose_type {
            object.insert(
                std::string::String::from("primaryPurposeType"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        if let Some(item) = &self.phase {
            object.insert(
                std::string::String::from("phase"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        if !self.category.is_empty() {
            let mut items = Vec::with_capacity(self.category.len());
            for item in &self.category {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("category"),
                super::super::codec::Value::Array(items),
            );
        }
        if !self.focus.is_empty() {
            let mut items = Vec::with_capacity(self.focus.len());
            for item in &self.focus {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("focus"),
                super::super::codec::Value::Array(items),
            );
        }
        if !self.condition.is_empty() {
            let mut items = Vec::with_capacity(self.condition.len());
            for item in &self.condition {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("condition"),
                super::super::codec::Value::Array(items),
            );
        }
        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 !self.related_artifact.is_empty() {
            let mut items = Vec::with_capacity(self.related_artifact.len());
            for item in &self.related_artifact {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("relatedArtifact"),
                super::super::codec::Value::Array(items),
            );
        }
        if !self.keyword.is_empty() {
            let mut items = Vec::with_capacity(self.keyword.len());
            for item in &self.keyword {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("keyword"),
                super::super::codec::Value::Array(items),
            );
        }
        if !self.location.is_empty() {
            let mut items = Vec::with_capacity(self.location.len());
            for item in &self.location {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("location"),
                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.enrollment.is_empty() {
            let mut items = Vec::with_capacity(self.enrollment.len());
            for item in &self.enrollment {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("enrollment"),
                super::super::codec::Value::Array(items),
            );
        }
        if let Some(item) = &self.period {
            object.insert(
                std::string::String::from("period"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        if let Some(item) = &self.sponsor {
            object.insert(
                std::string::String::from("sponsor"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        if let Some(item) = &self.principal_investigator {
            object.insert(
                std::string::String::from("principalInvestigator"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        if !self.site.is_empty() {
            let mut items = Vec::with_capacity(self.site.len());
            for item in &self.site {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("site"),
                super::super::codec::Value::Array(items),
            );
        }
        if let Some(item) = &self.reason_stopped {
            object.insert(
                std::string::String::from("reasonStopped"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        if !self.note.is_empty() {
            let mut items = Vec::with_capacity(self.note.len());
            for item in &self.note {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("note"),
                super::super::codec::Value::Array(items),
            );
        }
        if !self.arm.is_empty() {
            let mut items = Vec::with_capacity(self.arm.len());
            for item in &self.arm {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("arm"),
                super::super::codec::Value::Array(items),
            );
        }
        if !self.objective.is_empty() {
            let mut items = Vec::with_capacity(self.objective.len());
            for item in &self.objective {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("objective"),
                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_identifier: 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_protocol: Option<&super::super::codec::Value> = None;
        let mut raw_part_of: 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_primary_purpose_type: Option<&super::super::codec::Value> = None;
        let mut raw_phase: Option<&super::super::codec::Value> = None;
        let mut raw_category: Option<&super::super::codec::Value> = None;
        let mut raw_focus: Option<&super::super::codec::Value> = None;
        let mut raw_condition: Option<&super::super::codec::Value> = None;
        let mut raw_contact: Option<&super::super::codec::Value> = None;
        let mut raw_related_artifact: Option<&super::super::codec::Value> = None;
        let mut raw_keyword: Option<&super::super::codec::Value> = None;
        let mut raw_location: 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_enrollment: Option<&super::super::codec::Value> = None;
        let mut raw_period: Option<&super::super::codec::Value> = None;
        let mut raw_sponsor: Option<&super::super::codec::Value> = None;
        let mut raw_principal_investigator: Option<&super::super::codec::Value> = None;
        let mut raw_site: Option<&super::super::codec::Value> = None;
        let mut raw_reason_stopped: Option<&super::super::codec::Value> = None;
        let mut raw_note: Option<&super::super::codec::Value> = None;
        let mut raw_arm: Option<&super::super::codec::Value> = None;
        let mut raw_objective: Option<&super::super::codec::Value> = None;
        for (key, value) in object {
            match key.as_str() {
                "resourceType" => {
                    if value.as_str() != Some("ResearchStudy") {
                        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);
                }
                "identifier" => {
                    raw_identifier = Some(value);
                }
                "title" => {
                    raw_title = Some(value);
                }
                "_title" => {
                    raw_title_element = Some(value);
                }
                "protocol" => {
                    raw_protocol = Some(value);
                }
                "partOf" => {
                    raw_part_of = Some(value);
                }
                "status" => {
                    raw_status = Some(value);
                }
                "_status" => {
                    raw_status_element = Some(value);
                }
                "primaryPurposeType" => {
                    raw_primary_purpose_type = Some(value);
                }
                "phase" => {
                    raw_phase = Some(value);
                }
                "category" => {
                    raw_category = Some(value);
                }
                "focus" => {
                    raw_focus = Some(value);
                }
                "condition" => {
                    raw_condition = Some(value);
                }
                "contact" => {
                    raw_contact = Some(value);
                }
                "relatedArtifact" => {
                    raw_related_artifact = Some(value);
                }
                "keyword" => {
                    raw_keyword = Some(value);
                }
                "location" => {
                    raw_location = Some(value);
                }
                "description" => {
                    raw_description = Some(value);
                }
                "_description" => {
                    raw_description_element = Some(value);
                }
                "enrollment" => {
                    raw_enrollment = Some(value);
                }
                "period" => {
                    raw_period = Some(value);
                }
                "sponsor" => {
                    raw_sponsor = Some(value);
                }
                "principalInvestigator" => {
                    raw_principal_investigator = Some(value);
                }
                "site" => {
                    raw_site = Some(value);
                }
                "reasonStopped" => {
                    raw_reason_stopped = Some(value);
                }
                "note" => {
                    raw_note = Some(value);
                }
                "arm" => {
                    raw_arm = Some(value);
                }
                "objective" => {
                    raw_objective = 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 super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_contained.push(path.with_index("contained", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let mut field_extension = Vec::new();
        if let Some(raw) = raw_extension {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_extension.push(path.with_index("extension", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let mut field_modifier_extension = Vec::new();
        if let Some(raw) = raw_modifier_extension {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_modifier_extension.push(path.with_index(
                    "modifierExtension",
                    index,
                    |path| {
                        super::super::codec::Json::from_json(
                            super::super::codec::expect_object(value, path)?,
                            path,
                        )
                    },
                )?);
            }
        }
        let mut field_identifier = Vec::new();
        if let Some(raw) = raw_identifier {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_identifier.push(path.with_index("identifier", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let 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 mut field_protocol = Vec::new();
        if let Some(raw) = raw_protocol {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_protocol.push(path.with_index("protocol", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let mut field_part_of = Vec::new();
        if let Some(raw) = raw_part_of {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_part_of.push(path.with_index("partOf", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let field_status = path.with("status", |path| {
            super::super::codec::Primitive::from_json_parts(raw_status, raw_status_element, path)
        })?;
        let field_primary_purpose_type = raw_primary_purpose_type
            .map(|value| {
                path.with("primaryPurposeType", |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(
                            super::super::codec::expect_single(value, path)?,
                            path,
                        )?,
                        path,
                    )
                })
            })
            .transpose()?;
        let field_phase = raw_phase
            .map(|value| {
                path.with("phase", |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_category = Vec::new();
        if let Some(raw) = raw_category {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_category.push(path.with_index("category", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let mut field_focus = Vec::new();
        if let Some(raw) = raw_focus {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_focus.push(path.with_index("focus", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let mut field_condition = Vec::new();
        if let Some(raw) = raw_condition {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_condition.push(path.with_index("condition", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let mut field_contact = Vec::new();
        if let Some(raw) = raw_contact {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_contact.push(path.with_index("contact", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let mut field_related_artifact = Vec::new();
        if let Some(raw) = raw_related_artifact {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_related_artifact.push(path.with_index("relatedArtifact", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let mut field_keyword = Vec::new();
        if let Some(raw) = raw_keyword {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_keyword.push(path.with_index("keyword", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let mut field_location = Vec::new();
        if let Some(raw) = raw_location {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_location.push(path.with_index("location", 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_enrollment = Vec::new();
        if let Some(raw) = raw_enrollment {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_enrollment.push(path.with_index("enrollment", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let field_period = raw_period
            .map(|value| {
                path.with("period", |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(
                            super::super::codec::expect_single(value, path)?,
                            path,
                        )?,
                        path,
                    )
                })
            })
            .transpose()?;
        let field_sponsor = raw_sponsor
            .map(|value| {
                path.with("sponsor", |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(
                            super::super::codec::expect_single(value, path)?,
                            path,
                        )?,
                        path,
                    )
                })
            })
            .transpose()?;
        let field_principal_investigator = raw_principal_investigator
            .map(|value| {
                path.with("principalInvestigator", |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_site = Vec::new();
        if let Some(raw) = raw_site {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_site.push(path.with_index("site", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let field_reason_stopped = raw_reason_stopped
            .map(|value| {
                path.with("reasonStopped", |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_note = Vec::new();
        if let Some(raw) = raw_note {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_note.push(path.with_index("note", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let mut field_arm = Vec::new();
        if let Some(raw) = raw_arm {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_arm.push(path.with_index("arm", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let mut field_objective = Vec::new();
        if let Some(raw) = raw_objective {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_objective.push(path.with_index("objective", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        Ok(Self {
            id: field_id,
            meta: field_meta,
            implicit_rules: field_implicit_rules,
            language: field_language,
            text: field_text,
            contained: field_contained,
            extension: field_extension,
            modifier_extension: field_modifier_extension,
            identifier: field_identifier,
            title: field_title,
            protocol: field_protocol,
            part_of: field_part_of,
            status: field_status,
            primary_purpose_type: field_primary_purpose_type,
            phase: field_phase,
            category: field_category,
            focus: field_focus,
            condition: field_condition,
            contact: field_contact,
            related_artifact: field_related_artifact,
            keyword: field_keyword,
            location: field_location,
            description: field_description,
            enrollment: field_enrollment,
            period: field_period,
            sponsor: field_sponsor,
            principal_investigator: field_principal_investigator,
            site: field_site,
            reason_stopped: field_reason_stopped,
            note: field_note,
            arm: field_arm,
            objective: field_objective,
        })
    }
}

impl serde::Serialize for ResearchStudy {
    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.description {
            super::super::codec::element_entry(&mut map, "_description", 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)?;
        }
        super::super::codec::element_entry(&mut map, "_status", &self.status)?;
        if let Some(item) = &self.title {
            super::super::codec::element_entry(&mut map, "_title", item)?;
        }
        if !self.arm.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "arm", &self.arm)?;
        }
        if !self.category.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "category", &self.category)?;
        }
        if !self.condition.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "condition", &self.condition)?;
        }
        if !self.contact.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "contact", &self.contact)?;
        }
        if !self.contained.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "contained", &self.contained)?;
        }
        if let Some(item) = &self.description {
            super::super::codec::value_entry(&mut map, "description", item)?;
        }
        if !self.enrollment.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "enrollment", &self.enrollment)?;
        }
        if !self.extension.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "extension", &self.extension)?;
        }
        if !self.focus.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "focus", &self.focus)?;
        }
        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.keyword.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "keyword", &self.keyword)?;
        }
        if let Some(item) = &self.language {
            super::super::codec::value_entry(&mut map, "language", item)?;
        }
        if !self.location.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "location", &self.location)?;
        }
        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 !self.note.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "note", &self.note)?;
        }
        if !self.objective.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "objective", &self.objective)?;
        }
        if !self.part_of.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "partOf", &self.part_of)?;
        }
        if let Some(item) = &self.period {
            serde::ser::SerializeMap::serialize_entry(&mut map, "period", item)?;
        }
        if let Some(item) = &self.phase {
            serde::ser::SerializeMap::serialize_entry(&mut map, "phase", item)?;
        }
        if let Some(item) = &self.primary_purpose_type {
            serde::ser::SerializeMap::serialize_entry(&mut map, "primaryPurposeType", item)?;
        }
        if let Some(item) = &self.principal_investigator {
            serde::ser::SerializeMap::serialize_entry(&mut map, "principalInvestigator", item)?;
        }
        if !self.protocol.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "protocol", &self.protocol)?;
        }
        if let Some(item) = &self.reason_stopped {
            serde::ser::SerializeMap::serialize_entry(&mut map, "reasonStopped", 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", "ResearchStudy")?;
        if !self.site.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "site", &self.site)?;
        }
        if let Some(item) = &self.sponsor {
            serde::ser::SerializeMap::serialize_entry(&mut map, "sponsor", item)?;
        }
        super::super::codec::value_entry(&mut map, "status", &self.status)?;
        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)?;
        }
        serde::ser::SerializeMap::end(map)
    }
}

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

/// Defined path through the study for a subject
///
/// Describes an expected sequence of events for one of the participants of a
/// study. E.g. Exposure to drug A, wash-out, exposure to drug B, wash-out,
/// follow-up.
#[derive(Debug, Clone, Default, PartialEq, Eq)]
pub struct ResearchStudyArm {
    /// 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
    /// manageable, there is a strict set of governance applied to the definition
    /// and use of extensions. Though any implementer can define an extension, there
    /// is a set of requirements that SHALL be met as part of the definition of the
    /// extension.
    pub extension: Vec<super::extension::Extension>,
    /// Extensions that cannot be ignored 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 manageable, there is a
    /// strict set of governance applied to the definition and use of extensions.
    /// Though any implementer can define an extension, there is a set of
    /// requirements that SHALL be met as part of the definition of the extension.
    /// 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>,
    /// Label for study arm
    ///
    /// Unique, human-readable label for this arm of the study.
    pub name: super::primitives::String,
    /// Categorization of study arm
    ///
    /// Categorization of study arm, e.g. experimental, active comparator, placebo
    /// comparater.
    pub r#type: Option<super::codeable_concept::CodeableConcept>,
    /// Short explanation of study path
    ///
    /// A succinct description of the path through the study that would be followed
    /// by a subject adhering to this arm.
    pub description: Option<super::primitives::String>,
}

impl super::super::codec::Json for ResearchStudyArm {
    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.name)? {
            object.insert(std::string::String::from("name"), v);
        }
        if let Some(e) = super::super::codec::Primitive::element_json(&self.name)? {
            object.insert(std::string::String::from("_name"), e);
        }
        if let Some(item) = &self.r#type {
            object.insert(
                std::string::String::from("type"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        if 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);
            }
        }
        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_name: Option<&super::super::codec::Value> = None;
        let mut raw_name_element: Option<&super::super::codec::Value> = None;
        let mut raw_type: 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;
        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);
                }
                "name" => {
                    raw_name = Some(value);
                }
                "_name" => {
                    raw_name_element = Some(value);
                }
                "type" => {
                    raw_type = Some(value);
                }
                "description" => {
                    raw_description = Some(value);
                }
                "_description" => {
                    raw_description_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 super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_extension.push(path.with_index("extension", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let mut field_modifier_extension = Vec::new();
        if let Some(raw) = raw_modifier_extension {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_modifier_extension.push(path.with_index(
                    "modifierExtension",
                    index,
                    |path| {
                        super::super::codec::Json::from_json(
                            super::super::codec::expect_object(value, path)?,
                            path,
                        )
                    },
                )?);
            }
        }
        let field_name = path.with("name", |path| {
            super::super::codec::Primitive::from_json_parts(raw_name, raw_name_element, path)
        })?;
        let field_type = raw_type
            .map(|value| {
                path.with("type", |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(
                            super::super::codec::expect_single(value, path)?,
                            path,
                        )?,
                        path,
                    )
                })
            })
            .transpose()?;
        let 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)
            })?),
        };
        Ok(Self {
            id: field_id,
            extension: field_extension,
            modifier_extension: field_modifier_extension,
            name: field_name,
            r#type: field_type,
            description: field_description,
        })
    }
}

impl serde::Serialize for ResearchStudyArm {
    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.description {
            super::super::codec::element_entry(&mut map, "_description", item)?;
        }
        super::super::codec::element_entry(&mut map, "_name", &self.name)?;
        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, "name", &self.name)?;
        if let Some(item) = &self.r#type {
            serde::ser::SerializeMap::serialize_entry(&mut map, "type", item)?;
        }
        serde::ser::SerializeMap::end(map)
    }
}

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

/// A goal for the study
///
/// A goal that the study is aiming to achieve in terms of a scientific question
/// to be answered by the analysis of data collected during the study.
#[derive(Debug, Clone, Default, PartialEq, Eq)]
pub struct ResearchStudyObjective {
    /// 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
    /// manageable, there is a strict set of governance applied to the definition
    /// and use of extensions. Though any implementer can define an extension, there
    /// is a set of requirements that SHALL be met as part of the definition of the
    /// extension.
    pub extension: Vec<super::extension::Extension>,
    /// Extensions that cannot be ignored 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 manageable, there is a
    /// strict set of governance applied to the definition and use of extensions.
    /// Though any implementer can define an extension, there is a set of
    /// requirements that SHALL be met as part of the definition of the extension.
    /// 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>,
    /// Label for the objective
    ///
    /// Unique, human-readable label for this objective of the study.
    pub name: Option<super::primitives::String>,
    /// primary | secondary | exploratory
    ///
    /// The kind of study objective.
    pub r#type: Option<super::codeable_concept::CodeableConcept>,
}

impl super::super::codec::Json for ResearchStudyObjective {
    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.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.r#type {
            object.insert(
                std::string::String::from("type"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        Ok(object)
    }

    fn from_json(
        object: &super::super::codec::Object,
        path: &mut super::super::codec::Path,
    ) -> Result<Self, super::super::codec::DecodeError> {
        let mut raw_id: Option<&super::super::codec::Value> = None;
        let mut raw_extension: Option<&super::super::codec::Value> = None;
        let mut raw_modifier_extension: Option<&super::super::codec::Value> = None;
        let mut raw_name: Option<&super::super::codec::Value> = None;
        let mut raw_name_element: Option<&super::super::codec::Value> = None;
        let mut raw_type: 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);
                }
                "name" => {
                    raw_name = Some(value);
                }
                "_name" => {
                    raw_name_element = Some(value);
                }
                "type" => {
                    raw_type = 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 super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_extension.push(path.with_index("extension", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let mut field_modifier_extension = Vec::new();
        if let Some(raw) = raw_modifier_extension {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_modifier_extension.push(path.with_index(
                    "modifierExtension",
                    index,
                    |path| {
                        super::super::codec::Json::from_json(
                            super::super::codec::expect_object(value, path)?,
                            path,
                        )
                    },
                )?);
            }
        }
        let field_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_type = raw_type
            .map(|value| {
                path.with("type", |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(
                            super::super::codec::expect_single(value, path)?,
                            path,
                        )?,
                        path,
                    )
                })
            })
            .transpose()?;
        Ok(Self {
            id: field_id,
            extension: field_extension,
            modifier_extension: field_modifier_extension,
            name: field_name,
            r#type: field_type,
        })
    }
}

impl serde::Serialize for ResearchStudyObjective {
    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.name {
            super::super::codec::element_entry(&mut map, "_name", 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 let Some(item) = &self.name {
            super::super::codec::value_entry(&mut map, "name", item)?;
        }
        if let Some(item) = &self.r#type {
            serde::ser::SerializeMap::serialize_entry(&mut map, "type", item)?;
        }
        serde::ser::SerializeMap::end(map)
    }
}

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