CollectionCache cache = broker.getCollectionsCache();
CollectionCache cache = broker.getBrokerPool().getCollectionsCache();
	public DocumentSet allDocs(DBBroker broker, DocumentSet docs,			boolean recursive, boolean checkPermissions) {		if (permissions.validate(broker.getUser(), Permission.READ)) {			CollectionCache cache = broker.getCollectionsCache();			synchronized (cache) {				getDocuments(broker, docs, checkPermissions);				if (recursive)					allDocs(broker, docs, checkPermissions);			}		}		return docs;	}