/**
 * Fetches data from a specified API endpoint, merges relevant data, and returns the result.
 * @param league The game league for which to fetch data.
 * @param type The type of data to fetch. (e.g. "Currency", "Fragment")
 * @param typeName The name of the type of data to fetch. (e.g. "CurrencyOverview", "ItemOverview")
 * @returns A promise that resolves to an array of merged objects containing both line and currency details.
 * @throws Throws an error if there's an issue with the API response or data fetching process.
 */
declare function fetchData(league: string, typeName: string, type: string): Promise<object[]>;
export default fetchData;