import { CodeableConcept } from './CodeableConcept.js';
import { Expression } from './Expression.js';
import { Extension } from './Extension.js';
import { FhirPrimitive } from './FhirPrimitive.js';
import { Group } from './Group.js';
import { Measure_Group_Stratifier_Component } from './Measure_Group_Stratifier_Component.js';
import { Reference } from './Reference.js';
export interface Measure_Group_Stratifier {
    /**
     * @description Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
     * @short Unique id for inter-element referencing
     */
    id?: string;
    /**
     * @description 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.
     * @comment There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.
     * @short Additional content defined by implementations
     */
    extension?: Extension[];
    /**
     * @description 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 andor 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).
     * @comment There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.
     * @short Extensions that cannot be ignored even if unrecognized
     */
    modifierExtension?: Extension[];
    /**
     * @description An identifier that is unique within the Measure allowing linkage to the equivalent item in a MeasureReport resource.
     * @comment This ''can'' be a meaningful identifier (e.g. a LOINC code) but is not intended to have any meaning.  GUIDs or sequential numbers are appropriate here.
  
  LinkIds can have whitespaces and slashes by design. Tooling should not rely on linkIds being valid XHTML element IDs, and should not directly embed them as such
     * @short Unique id for stratifier in measure
     */
    linkId?: FhirPrimitive<string>;
    /**
     * @description Indicates a meaning for the stratifier. This can be as simple as a unique identifier, or it can establish meaning in a broader context by drawing from a terminology, allowing stratifiers to be correlated across measures.
     * @short Meaning of the stratifier
     */
    code?: CodeableConcept;
    /**
     * @description The human readable description of this stratifier criteria.
     * @short The human readable description of this stratifier
     */
    description?: FhirPrimitive<string>;
    /**
     * @description An expression that specifies the criteria for the stratifier. This is typically the name of an expression defined within a referenced library, but it may also be a path to a stratifier element.
     * @short How the measure should be stratified
     */
    criteria?: Expression;
    /**
     * @description A Group resource that defines this population as a set of characteristics.
     * @comment Note that this approach can only be used for measures where the basis is of the same type as the populations (e.g. a Patient-based measure, rather than an Encounter-based measure). In addition, the referenced Group SHALL be a definitional (as opposed to an actual) group.
     * @short A group resource that defines this population
     */
    groupDefinition?: Reference<Group>;
    /**
     * @backbone Nested BackboneElement: component [0..*]
     */
    component?: Measure_Group_Stratifier_Component[];
}
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