// ------------------------------------------------------------------------
    public void addChild(int index, MetadataTreeNode kid) {
        if (kid == null) {
            return;
        }

        if (children == null) {
            children = new MetadataTreeNode[nChildren];
        }

        children[index % nChildren] = kid;
    }

    // ------------------------------------------------------------------

    setSucceeds(entryIndex, ENDPOINT);
  }

  @Override
  void accessEntry(int index) {
    if (accessOrder) {
      // delete from previous position...
      setSucceeds(getPredecessor(index), getSuccessor(index));
      // ...and insert at the end.
      setSucceeds(lastEntry, index);
      setSucceeds(index, ENDPOINT);
      incrementModCount();
    }
  }

  @Override

  }

  @Override
  ImmutableList<E> createAsList() {
    return new ImmutableList<E>() {
      @Override
      public E get(int index) {
        return IndexedImmutableSet.this.get(index);
      }

      @Override
      boolean isPartialView() {
        return IndexedImmutableSet.this.isPartialView();
      }

      @Override
      public int size() {

import org.opensearch.index.query.RangeQueryBuilder;
import org.opensearch.index.query.RegexpQueryBuilder;
import org.opensearch.index.query.SpanTermQueryBuilder;
import org.opensearch.index.query.TermQueryBuilder;
import org.opensearch.index.query.TermsQueryBuilder;
import org.opensearch.index.query.WildcardQueryBuilder;
import org.opensearch.index.query.functionscore.FunctionScoreQueryBuilder;

        }
    }

    private ChannelInfo selectRoundRobin(Collection<ChannelInfo> channels) {
        List<ChannelInfo> list = new ArrayList<>(channels);
        int index = Math.abs(roundRobinCounter.getAndIncrement() % list.size());
        return list.get(index);
    }

    private ChannelInfo selectLeastLoaded(Collection<ChannelInfo> channels) {
        ChannelInfo leastLoadedChannel = null;

    }

    private void establishChannel(int index) throws IOException {
        // Select interfaces for this channel
        NetworkInterfaceInfo localIf = selectLocalInterface(index);
        NetworkInterfaceInfo remoteIf = selectRemoteInterface(index);

        if (localIf == null || remoteIf == null) {
            log.warn("Cannot select interfaces for channel {}", index);
            return;
        }

			}
			val, err := IterToValue(elem.Iter)
			if err != nil {
				return nil, false, err
			}
			return jsonpathEval(p[1:], val)
		default:
			return nil, false, errKeyLookup
		}

	case p[0].Index != nil:
		idx := *p[0].Index

		arr, ok := v.([]any)
		if !ok {
			return nil, false, errIndexLookup
		}

		if idx >= len(arr) {
			return nil, false, nil
		}
		return jsonpathEval(p[1:], arr[idx])

        for (int i = 0; i < threadCount; i++) {
            final int index = i;
            threads[i] = new Thread(() -> {
                invertibles[index] = securityResourceProvider.providePrimaryInvertibleCryptographer();
                oneWays[index] = securityResourceProvider.providePrimaryOneWayCryptographer();
            });
            threads[i].start();
        }

        List<String> order = new ArrayList<>();
        for (String s : insertionOrder) {
          int index = order.indexOf(s);
          if (index == -1) {
            order.add(s);
          } else {
            order.add(index, s);
          }
        }
        return order;
      }
    };
  }

            existingIds.add(execution.getId());
        }

        String base = "default-" + goal;
        String id = base;

        for (int index = 1; existingIds.contains(id); index++) {
            id = base + '-' + index;
        }

        return id;
    }

    static class GoalSpec {

        String groupId;

        String artifactId;

        String version;