String value = getValue(i).toString();
String value = valueToString(getValue(i));
	public String toString() {		if (isTop()) return "[TOP]";		if (isBottom()) return "[BOTTOM]";		StringBuffer buf = new StringBuffer();		buf.append('[');		int numSlots = getNumSlots();		for (int i = 0; i < numSlots; ++i) {			String value = getValue(i).toString();			if (i == numSlots - 1 && value.endsWith(","))				value = value.substring(0, value.length() - 1);			buf.append(value);		}		buf.append(']');		return buf.toString();	}