code: public static Matcher matcher(
              Pattern pattern,
              CharSequence charSequence
      ) {
          return matcher(pattern, charSequence, timeoutMs);
      }
docs: Generate a Matcher instance that will throw if used or still
  in use more than 2 seconds after its instantiation.
  <p>
  Use the instance immediately and then discard it.
  
  @param pattern      The Pattern instance.
  @param charSequence The CharSequence to operate on.
  @return a matcher