import type { QuestionnaireItemEnableWhen, QuestionnaireResponse, QuestionnaireResponseItemAnswer } from 'fhir/r4';
import type { EnableWhenItems, EnableWhenRepeatItemProperties, EnableWhenSingleItemProperties } from '../interfaces/enableWhen.interface';
/**
 * Create a linkedQuestionsMap that contains linked items of enableWhen items
 * mapped to an array containing all its respective enableWhen items' linkIds
 * returns a key-value pair of <linkedItemId, [enableWhenItem1LinkId, enableWhenItem2LinkId, enableWhenItem3LinkId]>
 *
 * @author Sean Fong
 */
export declare function createEnableWhenLinkedQuestions(enableWhenItems: EnableWhenItems): Record<string, string[]>;
/**
 * Performs switching for non-group enableWhenItems based on their item types.
 *
 * @author Sean Fong
 */
export declare function isEnabledAnswerTypeSwitcher(enableWhen: QuestionnaireItemEnableWhen, answer: QuestionnaireResponseItemAnswer): boolean;
export declare function mutateRepeatEnableWhenItemInstances(items: EnableWhenItems, parentRepeatGroupLinkId: string, parentRepeatGroupIndex: number, actionType: 'add' | 'remove'): EnableWhenItems;
/**
 * Read initial answer values in questionnaireResponse
 * return a map of initial values with key-value pair <linkedItemId, initial value>
 *
 * @author Sean Fong
 */
export declare function readInitialAnswers(questionnaireResponse: QuestionnaireResponse, linkedQuestionsMap: Record<string, string[]>): Record<string, QuestionnaireResponseItemAnswer[]>;
/**
 * Set initial answer values into enableWhenItems' answer attributes
 * Update enabled status of each enableWhenItem simultaneously
 *
 * @author Sean Fong
 */
export declare function setInitialAnswers(initialAnswers: Record<string, QuestionnaireResponseItemAnswer[]>, items: EnableWhenItems, linkedQuestionsMap: Record<string, string[]>): EnableWhenItems;
/**
 * Update answer of the target linkId in every related enableWhenItem's linked items
 * Then update the enabled status of every related enableWhenItem
 *
 * @author Sean Fong
 */
export declare function updateEnableWhenItemAnswer(items: EnableWhenItems, linkedQuestions: string[], linkId: string, newAnswer: QuestionnaireResponseItemAnswer[] | undefined, parentRepeatGroupIndex: number | null): EnableWhenItems;
/**
 * Check if a single enableWhenItem is enabled based on the answer of its linked items
 *
 * @author Sean Fong
 */
export declare function checkItemIsEnabledSingle(enableWhenItemProperties: EnableWhenSingleItemProperties): boolean;
/**
 * Check if a repeat enableWhenItem is enabled based on the answer of its linked items
 *
 * @author Sean Fong
 */
export declare function checkItemIsEnabledRepeat(enableWhenItemProperties: EnableWhenRepeatItemProperties, parentRepeatGroupIndex: number): boolean;
export declare function assignPopulatedAnswersToEnableWhen(items: EnableWhenItems, questionnaireResponse: QuestionnaireResponse): {
    initialisedItems: EnableWhenItems;
    linkedQuestions: Record<string, string[]>;
};