public Ansi newline() {
        flushAttributes();
        builder.append(System.lineSeparator());
        return this;
    }

    public Ansi format(String pattern, Object... args) {
        flushAttributes();
        builder.append(String.format(pattern, args));
        return this;
    }

    /**
     * Applies another function to this Ansi instance.
     *
     * @param fun the function to apply