text: import { NotImplementedError } from '../extensions/index.js';
  
  /**
   * There's a list of file, since two files cannot have equal names,
   * the one which comes later will have a suffix (k),
   * where k is the smallest integer such that the found name is not used yet.
   *
   * Return an array of names that will be given to the files.
   *
   * @param {Array} names
   * @return {Array}
   *
   * @example
   * For input ["file", "file", "image", "file(1)", "file"],
   * the output should be ["file", "file(1)", "image", "file(1)(1)", "file(2)"]
   *
   */
  export default function renameFiles(names) {
    const res = names.slice();
  
    for (let i = 0; i < res.length; i++) {
      let count = 0;
  
      for (let y = i + 1; y < res.length; y++) {
        if (res[i] === res[y]) {
          count++;
          res[y] += `(${count})`;
        }
      }
    }
  
    return res;
  }
  