import { CodeableConcept } from './CodeableConcept.js';
import { Extension } from './Extension.js';
import { FhirPrimitive } from './FhirPrimitive.js';
import { Timing_Repeat } from './Timing_Repeat.js';
export interface Timing {
    /**
     * @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 Identifies specific times when the event occurs.
     * @short When the event occurs
     */
    event?: FhirPrimitive<string>[];
    /**
     * @backbone Nested BackboneElement: repeat [0..1]
     */
    repeat?: Timing_Repeat;
    /**
     * @description A code for the timing schedule (or just text in code.text). Some codes such as BID are ubiquitous, but many institutions define their own additional codes. If a code is provided, the code is understood to be a complete statement of whatever is specified in the structured timing data, and either the code or the data may be used to interpret the Timing, with the exception that .repeat.bounds still applies over the code (and is not contained in the code).
     * @comment BID etc. are defined as 'at institutionally specified times'. For example, an institution may choose that BID is "always at 7am and 6pm".  If it is inappropriate for this choice to be made, the code BID should not be used. Instead, a distinct organization-specific code should be used in place of the HL7-defined BID code andor a structured representation should be used (in this case, specifying the two event times).
     * @short C | BID | TID | QID | AM | PM | QD | QOD | +
     */
    code?: CodeableConcept;
}
//# sourceMappingURL=Timing.d.ts.map