/**
 * Loads a JSON file and converts it into a Set<T>.
 * If the file does not exist or an error occurs, it returns an empty Set.
 *
 * @template T - The type of elements stored in the Set.
 * @param {string} path - The file path to load data from.
 * @returns {Promise<Set<T>>} - A promise that resolves to a Set containing parsed data.
 */
export declare const loadingFile: <T = unknown>(path: string) => Promise<Set<T>>;
/**
 * Saves an array of data to a JSON file.
 * If the file exists, it overwrites it with the new data.
 *
 * @template T - The type of elements stored in the file.
 * @param {string} filePath - The file path where data should be saved.
 * @param {T} data - The array of data to be saved.
 * @returns {Promise<void>} - A promise that resolves once the data is written successfully.
 */
export declare const savingFile: <T = unknown>(filePath: string, data: T) => Promise<void>;