public static String inSeparatorLine(final String format, final Object... args) {
        final String text = message(format, args);
        final String str = Strings.repeat(String.valueOf(BOX_HORIZONTAL_LINE), 3)
                           + " "
                           + text
                           + " ";
        return Strings.padEnd(str, 100, BOX_HORIZONTAL_LINE);
    }
Constructs a formatted message string using a format string that takes
the same placeholders as SLF4J, e.g.
"Function called with name {} and value {}"
This constructed message is placed inside a separator line padded out to 100 chars, e.g.
=== Function called with name foo and value bar ====================================================

@param format SLF4J style format string
@param args   The values for any placeholders in the message format
@return A formatted message in a separator line
stroom-util/src/main/java/stroom/util/logging/LogUtil.java