import type { GeneratedAnswerCitation } from '../../api/generated-answer/generated-answer-event-payload.js';
import type { SearchEngine } from '../../app/search-engine/search-engine.js';
import type { GeneratedAnswerBase, GeneratedAnswerState, GenerationStep, GenerationStepName } from '../../features/generated-answer/generated-answer-state.js';
import type { GeneratedResponseFormat } from '../../features/generated-answer/generated-response-format.js';
import type { GeneratedAnswer, GeneratedAnswerProps, GeneratedAnswerPropsInitialState } from '../core/generated-answer/headless-core-generated-answer.js';
import { type GeneratedAnswerWithFollowUps, type GeneratedAnswerWithFollowUpsState } from '../knowledge/generated-answer/headless-generated-answer-with-follow-ups.js';
export type { GeneratedAnswer, GeneratedAnswerBase, GeneratedAnswerCitation, GeneratedAnswerProps, GeneratedAnswerPropsInitialState, GeneratedAnswerState, GeneratedAnswerWithFollowUps, GeneratedAnswerWithFollowUpsState, GeneratedResponseFormat, GenerationStep, GenerationStepName, };
/**
 * Creates a `GeneratedAnswer` controller instance.

 * @param engine - The headless engine.
 * @param props - The configurable `GeneratedAnswer` properties.
 * @returns A `GeneratedAnswer` controller instance.
 *
 * @group Controllers
 * @category GeneratedAnswer
 */
export declare function buildGeneratedAnswer(engine: SearchEngine, props?: GeneratedAnswerProps): GeneratedAnswer | GeneratedAnswerWithFollowUps;