code: public String formatVerboseMessage(LogRecord logRecord, String msg) {
          return formatVerboseMessage(logRecord, msg, true);
      }
docs: Format a translatable verbose message. This produces the same result
  as {@link #formatMessage} unless any parameters need to be modified
  by {@link #formatVerboseObj}. The previously formatted message may be
  reused if specified and no parameters need to be modified.
  
  @param logRecord
  @param msg the result of {@link #formatMessage}, or null if that method
  was not previously called
  @return