import type { HttpClient } from '@sisense/sdk-rest-client';
import type { NarrativeRequest, NarrativeResponse } from './narrative-api-types.js';
/** Unified narrative endpoint. Try first; fall back to legacy on 404. */
export declare const UNIFIED_NARRATIVE_ENDPOINT = "api/v2/ai/narrative";
/** Legacy endpoint (used when unified narrative returns 404). */
export declare const LEGACY_NARRATIVE_ENDPOINT = "api/v2/ai/nlg/queryResult";
/**
 * Options for getNarrative. All endpoint choice logic lives in this module.
 *
 * @internal
 */
export type GetNarrativeOptions = {
    isUnifiedNarrationEnabled?: boolean;
    isSisenseAiEnabled?: boolean;
};
/**
 * Fetches Narrative. Single place for endpoint logic: isUnifiedNarrationEnabled === false → legacy only;
 * otherwise try unified endpoint first, fall back to legacy on 404.
 *
 * @param httpClient - HttpClient instance
 * @param request - Narration request payload
 * @param options - Optional; isUnifiedNarrationEnabled (from props.isUnifiedNarrationEnabled)
 * @returns Promise with narration response
 * @internal
 */
export declare function getNarrative(httpClient: HttpClient, request: NarrativeRequest, options?: GetNarrativeOptions): Promise<NarrativeResponse>;