// quoteEscape(String)
            Method quoteEscapeMethod = KuromojiCSVUtil.class.getMethod("quoteEscape", String.class);
            assertTrue("quoteEscape should be static", java.lang.reflect.Modifier.isStatic(quoteEscapeMethod.getModifiers()));
            assertTrue("quoteEscape should be public", java.lang.reflect.Modifier.isPublic(quoteEscapeMethod.getModifiers()));

        if (isUpdated()) {
            buf.append(quoteEscape(newToken));
            buf.append(',');
            buf.append(quoteEscape(newSegmentation));
            buf.append(',');
            buf.append(quoteEscape(newReading));
            buf.append(',');
            buf.append(quoteEscape(newPos));
        } else {
            buf.append(quoteEscape(token));
            buf.append(',');