import { ESIEventData } from ".";
/**
 * Takes a chunk of text and processes any esi:choose tags and returns processed chunk
 * along with a boolean indicating if the chunk had any conditionals
 *
 * @param {ESIEventData} esiData ESI Data for this request
 * @param {string} chunk Chunk of text in string form to process
 * @param {Array<string>} [res] array of already processed chunks of string
 * @returns {Promise<[string, boolean]>} return processed string and boolean indicating if any instructions were processed
 */
export declare function process(esiData: ESIEventData, chunk: string, res?: Array<string>): Promise<[string, boolean]>;