code: public static String getClusterForLocation(URI location) {
          Matcher matcher = getLocatorMatcher(location);
          checkArgument(matcher.matches(), "Invalid location: %s", location);
  
          final String clusterPrefix;
  
          if (matcher.group("universe") != null) {
              clusterPrefix = matcher.group("universe");
          } else {
              clusterPrefix = "local";
          }
  
          String group = Objects.firstNonNull(matcher.group("group"), DEFAULT_GROUP);
          return format("%s_%s", clusterPrefix, group);
      }
docs: Returns the EmoDB cluster name associated with the given location.