/// <reference types="cheerio" />
import { LitvisNarrative } from "litvis";
import { LitvisEnhancerCache } from "../types";
/**
 * Search for all vega and vega-lite blocks and
 * apply v, r and j keywords to them just as if it works for ```elm
 * @param $
 * @param processedNarrative
 * @param cache
 */
export declare const enhanceWithLitvisVegaBlockKeywords: ($: CheerioStatic, processedNarrative: LitvisNarrative, cache: LitvisEnhancerCache) => Promise<void>;