code: private static boolean isEmpty(@Nonnull final File file, @Nonnull final Charset charset) {
  		try {
  			return FileUtil.isEmpty(file, charset);
  		} catch (final IOException e) {
  			throw new IllegalStateOfArgumentException("The given file could not be read.", e);
  		}
  	}
docs: Checks if the given file is empty.
  
  @param file
  the file that could be empty
  @return {@code true} when the file is accessible and empty otherwise {@code false}
  @throws net.sf.qualitycheck.exception.IllegalStateOfArgumentException
  if an I/O error occurs