RRset [] keysets = cache.findAnyRecords(name, Type.KEY);
RRset [] keysets = cache.findAnyRecords(name, Type.DNSKEY);
findCachedKey(Cache cache, Name name, int algorithm, int footprint) {	RRset [] keysets = cache.findAnyRecords(name, Type.KEY);	if (keysets == null)		return null;	RRset keys = keysets[0];	return findMatchingKey(keys.rrs(), algorithm, footprint);}