docs: public static boolean changeFilenameSuffix(final File file, final String newSuffix,
  		final boolean delete)
  		throws IOException, FileDoesNotExistException, FileIsADirectoryException
  	{
  		if (!file.exists())
  		{
  			final String error = "The " + file + " does not exists.";
  			throw new FileDoesNotExistException(error);
  		}
  		final String fileNamePrefix = FileExtensions.getFilenamePrefix(file);
  		final String newFilename = fileNamePrefix + newSuffix;
  		final File file2 = new File(newFilename);
  		final boolean success = RenameFileExtensions.renameFile(file, file2, delete);
  		return success;
  	}