docs: public List<ConnectionParams> resolveAll(String correlationId, String key) {
  		List<ConnectionParams> connections = new ArrayList<ConnectionParams>();
  
  		synchronized (_lock) {
  			for (DiscoveryItem item : _items) {
  				if (item.key == key && item.connection != null)
  					connections.add(item.connection);
  			}
  		}
  
  		return connections;
  	}