/**
 * Account-ActivityDefinition-AdverseEvent-AllergyIntolerance-Appointment-AppointmentResponse-AuditEvent-Basic-Binary-BiologicallyDerivedProduct-BodyStructure-Bundle-CapabilityStatement-CarePlan-CareTeam-CatalogEntry-ChargeItem-ChargeItemDefinition-Claim-ClaimResponse-ClinicalImpression-CodeSystem-Communication-CommunicationRequest-CompartmentDefinition-Composition-ConceptMap-Condition-Consent-Contract-Coverage-CoverageEligibilityRequest-CoverageEligibilityResponse-DetectedIssue-Device-DeviceDefinition-DeviceMetric-DeviceRequest-DeviceUseStatement-DiagnosticReport-DocumentManifest-DocumentReference-EffectEvidenceSynthesis-Encounter-Endpoint-EnrollmentRequest-EnrollmentResponse-EpisodeOfCare-EventDefinition-Evidence-EvidenceVariable-ExampleScenario-ExplanationOfBenefit-FamilyMemberHistory-Flag-Goal-GraphDefinition-Group-GuidanceResponse-HealthcareService-ImagingStudy-Immunization-ImmunizationEvaluation-ImmunizationRecommendation-ImplementationGuide-InsurancePlan-Invoice-Library-Linkage-List-Location-Measure-MeasureReport-Media-Medication-MedicationAdministration-MedicationDispense-MedicationKnowledge-MedicationRequest-MedicationStatement-MedicinalProduct-MedicinalProductAuthorization-MedicinalProductContraindication-MedicinalProductIndication-MedicinalProductIngredient-MedicinalProductInteraction-MedicinalProductManufactured-MedicinalProductPackaged-MedicinalProductPharmaceutical-MedicinalProductUndesirableEffect-MessageDefinition-MessageHeader-MolecularSequence-NamingSystem-NutritionOrder-Observation-ObservationDefinition-OperationDefinition-OperationOutcome-Organization-OrganizationAffiliation-Parameters-Patient-PaymentNotice-PaymentReconciliation-Person-PlanDefinition-Practitioner-PractitionerRole-Procedure-Provenance-Questionnaire-QuestionnaireResponse-RelatedPerson-RequestGroup-ResearchDefinition-ResearchElementDefinition-ResearchStudy-ResearchSubject-RiskAssessment-RiskEvidenceSynthesis-Schedule-SearchParameter-ServiceRequest-Slot-Specimen-SpecimenDefinition-StructureDefinition-StructureMap-Subscription-Substance-SubstanceNucleicAcid-SubstancePolymer-SubstanceProtein-SubstanceReferenceInformation-SubstanceSourceMaterial-SubstanceSpecification-SupplyDelivery-SupplyRequest-Task-TerminologyCapabilities-TestReport-TestScript-ValueSet-VerificationResult-VisionPrescription--FHIRAPI
 * Swagger for FHIR Resources Account, ActivityDefinition, AdverseEvent, AllergyIntolerance, Appointment, AppointmentResponse, AuditEvent, Basic, Binary, BiologicallyDerivedProduct, BodyStructure, Bundle, CapabilityStatement, CarePlan, CareTeam, CatalogEntry, ChargeItem, ChargeItemDefinition, Claim, ClaimResponse, ClinicalImpression, CodeSystem, Communication, CommunicationRequest, CompartmentDefinition, Composition, ConceptMap, Condition, Consent, Contract, Coverage, CoverageEligibilityRequest, CoverageEligibilityResponse, DetectedIssue, Device, DeviceDefinition, DeviceMetric, DeviceRequest, DeviceUseStatement, DiagnosticReport, DocumentManifest, DocumentReference, EffectEvidenceSynthesis, Encounter, Endpoint, EnrollmentRequest, EnrollmentResponse, EpisodeOfCare, EventDefinition, Evidence, EvidenceVariable, ExampleScenario, ExplanationOfBenefit, FamilyMemberHistory, Flag, Goal, GraphDefinition, Group, GuidanceResponse, HealthcareService, ImagingStudy, Immunization, ImmunizationEvaluation, ImmunizationRecommendation, ImplementationGuide, InsurancePlan, Invoice, Library, Linkage, List, Location, Measure, MeasureReport, Media, Medication, MedicationAdministration, MedicationDispense, MedicationKnowledge, MedicationRequest, MedicationStatement, MedicinalProduct, MedicinalProductAuthorization, MedicinalProductContraindication, MedicinalProductIndication, MedicinalProductIngredient, MedicinalProductInteraction, MedicinalProductManufactured, MedicinalProductPackaged, MedicinalProductPharmaceutical, MedicinalProductUndesirableEffect, MessageDefinition, MessageHeader, MolecularSequence, NamingSystem, NutritionOrder, Observation, ObservationDefinition, OperationDefinition, OperationOutcome, Organization, OrganizationAffiliation, Parameters, Patient, PaymentNotice, PaymentReconciliation, Person, PlanDefinition, Practitioner, PractitionerRole, Procedure, Provenance, Questionnaire, QuestionnaireResponse, RelatedPerson, RequestGroup, ResearchDefinition, ResearchElementDefinition, ResearchStudy, ResearchSubject, RiskAssessment, RiskEvidenceSynthesis, Schedule, SearchParameter, ServiceRequest, Slot, Specimen, SpecimenDefinition, StructureDefinition, StructureMap, Subscription, Substance, SubstanceNucleicAcid, SubstancePolymer, SubstanceProtein, SubstanceReferenceInformation, SubstanceSourceMaterial, SubstanceSpecification, SupplyDelivery, SupplyRequest, Task, TerminologyCapabilities, TestReport, TestScript, ValueSet, VerificationResult, VisionPrescription
 *
 * OpenAPI spec version: 1.0.0
 * 
 *
 * NOTE: This class is auto generated by the swagger code generator program.
 * https://github.com/swagger-api/swagger-codegen.git
 * Do not edit the class manually.
 */
import { Extension } from './extension';

import { Uri } from './uri';


/**
 * A expression that is evaluated in a specified context and returns a value. The context of use of the expression must specify the context in which the expression is evaluated, and how the result of the expression is used.
 */
export class Expression { 
    /**
     * Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
     */
    id?: string;
    /**
     * 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.
     */
    extension?: Array<Extension>;
    /**
     * A brief, natural language description of the condition that effectively communicates the intended semantics.
     */
    description?: string;
    /**
     * A short name assigned to the expression to allow for multiple reuse of the expression in the context where it is defined.
     */
    name?: string;
    /**
     * The media type of the language for the expression.
     */
    language?: Expression.LanguageEnum;
    /**
     * An expression in the specified language that returns a value.
     */
    expression?: string;
    /**
     * A URI that defines where the expression is found.
     */
    reference?: Uri;
}
export namespace Expression {
    export type LanguageEnum = 'text/cql' | 'text/fhirpath' | 'application/x-fhir-query';
    export const LanguageEnum = {
        Textcql: 'text/cql' as LanguageEnum,
        Textfhirpath: 'text/fhirpath' as LanguageEnum,
        ApplicationxFhirQuery: 'application/x-fhir-query' as LanguageEnum
    };
}