code: @Expose
      public static String spellBigNumber(final Number value, final Locale locale)
      {
          return withinLocale(new Callable<String>()
          {
              public String call()
              {
                  return spellBigNumber(value);
              }
          }, locale);
      }
docs: <p>
  Same as {@link #spellBigNumber(Number)} for the specified locale.
  </p>
  
  @param value
  Number to be converted
  @param locale
  Target locale
  @return Friendly text representation of the given value