import { IBackboneElement, IElement } from '../base';
import { ICoding, IQuantity, IReference } from '../datatypes';
import { QuestionnaireEnableOperatorType } from '../types';
/**
 * @name IQuestionnaireEnableWhen
 * @description A structured set of questions intended to guide the collection of answers from end-users. Questionnaires provide detailed control over order, presentation, phraseology and grouping to allow coherent, consistent data collection.
 * @see <a href="https://hl7.org/fhir/R4/questionnaire-definitions.html#Questionnaire.item.enableWhen">QuestionnaireEnableWhen</a>
 * @version R4
 * @extends {IBackboneElement}
 * @author Claudia Alarcón Lazo
 */
export interface IQuestionnaireEnableWhen extends IBackboneElement {
    /**
     * @description The linkId for the question whose answer (or lack of answer) governs whether this item is enabled.
     */
    question: string;
    /**
     * @description Extensions for question
     */
    _question?: IElement;
    /**
     * @description Specifies the criteria by which the question is enabled.
     * @description exists | = | != | > | < | >= | <=
     * @see <a href="https://hl7.org/fhir/R4/valueset-questionnaire-enable-operator.html">QuestionnaireEnableOperator</a>
     */
    operator: QuestionnaireEnableOperatorType;
    /**
     * @description Extensions for operator
     */
    _operator?: IElement;
    /**
     * @description A value that the referenced question is tested using the specified operator in order for the item to be enabled.
     */
    answerBoolean?: boolean;
    /**
     * @description Extensions for answerBoolean
     */
    _answerBoolean?: IElement;
    /**
     * @description A value that the referenced question is tested using the specified operator in order for the item to be enabled.
     */
    answerDecimal?: number;
    /**
     * @description Extensions for answerDecimal
     */
    _answerDecimal?: IElement;
    /**
     * @description A value that the referenced question is tested using the specified operator in order for the item to be enabled.
     */
    answerInteger?: number;
    /**
     * @description Extensions for answerInteger
     */
    _answerInteger?: IElement;
    /**
     * @description A value that the referenced question is tested using the specified operator in order for the item to be enabled.
     */
    answerDate?: string;
    /**
     * @description Extensions for answerDate
     */
    _answerDate?: IElement;
    /**
     * @description A value that the referenced question is tested using the specified operator in order for the item to be enabled.
     */
    answerDateTime?: string;
    /**
     * @description Extensions for answerDateTime
     */
    _answerDateTime?: IElement;
    /**
     * @description A value that the referenced question is tested using the specified operator in order for the item to be enabled.
     */
    answerTime?: string;
    /**
     * @description Extensions for answerTime
     */
    _answerTime?: IElement;
    /**
     * @description A value that the referenced question is tested using the specified operator in order for the item to be enabled.
     */
    answerString?: string;
    /**
     * @description Extensions for answerString
     */
    _answerString?: IElement;
    /**
     * @description A value that the referenced question is tested using the specified operator in order for the item to be enabled.
     */
    answerCoding?: ICoding;
    /**
     * @description A value that the referenced question is tested using the specified operator in order for the item to be enabled.
     */
    answerQuantity?: IQuantity;
    /**
     * @description A value that the referenced question is tested using the specified operator in order for the item to be enabled.
     */
    answerReference?: IReference;
}