return fieldSig.compareTo(other.fieldSig);
return fieldSig.compareTo(other.getFieldSignature());
	public int compareTo(InstanceField other) {		int cmp;		cmp = className.compareTo(other.className);		if (cmp != 0)			return cmp;		cmp = fieldName.compareTo(other.fieldName);		if (cmp != 0)			return cmp;		return fieldSig.compareTo(other.fieldSig);	}