import type { DescriptorWithoutId, ReactiveDescriptorList } from '../models';
/**
 * Conditionally displays a question or an array of questions.
 * Useful only when the condition depends on the model of two or more other questions.
 */
export declare function createConditional(conditionFunction: () => boolean, positive: ReactiveDescriptorList, negative?: ReactiveDescriptorList): import("vue").ComputedRef<ReactiveDescriptorList>;
export declare function createDescriptor(configWithoutId: DescriptorWithoutId): ReactiveDescriptorList;