import { Expression } from './Expression.js';
import { Extension } from './Extension.js';
import { Period } from './Period.js';
import { RelatedArtifact } from './RelatedArtifact.js';
export interface ChargeItemDefinition_Applicability {
    /**
     * @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 expression that returns true or false, indicating whether the condition is satisfied. When using FHIRPath expressions, the %context environment variable must be replaced at runtime with the ChargeItem resource to which this definition is applied.
     * @comment Please note that FHIRPath Expressions can only be evaluated in the scope of the current ChargeItem resource to which this definition is being applied.
  FHIRPath expressions can traverse into other resources linked from the ChargeItem resource, however, testing rules such as that a billing code may be billed only once per encounter need a wider scope. In such scenarios, CQL may be the appropriate choice.
     * @short Boolean-valued expression
     */
    condition?: Expression;
    /**
     * @description The period during which the charge item definition content was or is planned to be in active use.
     * @comment The effective period for a charge item definition  determines when the content is applicable for usage and is independent of publication and review dates. For example, a measure intended to be used for the year 2016 might be published in 2015.
     * @short When the charge item definition is expected to be used
     */
    effectivePeriod?: Period;
    /**
     * @description Reference to  quotation of the external source of the group of properties.
     * @short Reference to  quotation of the external source of the group of properties
     */
    relatedArtifact?: RelatedArtifact;
}
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