public static String format(String pattern, Object argument) {
    return format(pattern, new Object[] {argument});
  }
Creates a MessageFormat with the given pattern and uses it to format the given argument.

@param pattern the pattern to be substituted with given argument
@param argument an object to be formatted and substituted
@return formatted string
@throws IllegalArgumentException if the pattern is invalid, or the argument is not of the type
        expected by the format element(s) that use it.
geode-core/src/main/java/org/apache/geode/management/internal/i18n/CliStrings.java