code: public File getFileFromRenamedFiles(int index) {
      CheckUtilities.checkIntIndexInListRange(renamedFilesToCommit, index);
      return renamedFilesToCommit.get(index);
    }
docs: Returns the file at the specified index in the list of renamed files.
  
  @param index
  Index in the list must be positive and less than the number of new files to commit
  @return the name of the file