/** * Joins elements of an array into a string. * * @param {ArrayLike | null | undefined} array - The array to join. * @param {string} [separator=','] - The separator used to join the elements, default is common separator `,`. * @returns {string} - Returns a string containing all elements of the array joined by the specified separator. * * @example * const arr = ["a", "b", "c"]; * const result = join(arr, "~"); * console.log(result); // Output: "a~b~c" */ declare function join(array: ArrayLike | null | undefined, separator?: string): string; export { join };