private void doRecurse()

in maven-resolver-impl/src/main/java/org/eclipse/aether/internal/impl/collect/bf/BfDependencyCollector.java [346:416]
66 lines of code
10 McCabe index (conditional complexity)

    private void doRecurse(
            Args args,
            DependencyProcessingContext parentContext,
            ArtifactDescriptorResult descriptorResult,
            DefaultDependencyNode child,
            Results results,
            boolean disableVersionManagement) {
        DefaultDependencyCollectionContext context = args.collectionContext.get();
        args.collectionContext.compareAndSet(
                context, context.set(parentContext.dependency, descriptorResult.getManagedDependencies()));
        context = args.collectionContext.get();

        DependencySelector childSelector =
                parentContext.depSelector != null ? parentContext.depSelector.deriveChildSelector(context) : null;
        DependencyManager childManager =
                parentContext.depManager != null ? parentContext.depManager.deriveChildManager(context) : null;
        DependencyTraverser childTraverser =
                parentContext.depTraverser != null ? parentContext.depTraverser.deriveChildTraverser(context) : null;
        VersionFilter childFilter =
                parentContext.verFilter != null ? parentContext.verFilter.deriveChildFilter(context) : null;

        final List<RemoteRepository> childRepos = args.ignoreRepos
                ? parentContext.repositories
                : remoteRepositoryManager.aggregateRepositories(
                        args.session, parentContext.repositories, descriptorResult.getRepositories(), true);

        Object key = args.pool.toKey(
                parentContext.dependency.getArtifact(),
                childRepos,
                childSelector,
                childManager,
                childTraverser,
                childFilter);

        List<DependencyNode> children = args.pool.getChildren(key);
        if (children == null) {
            boolean skipResolution = args.skipper.skipResolution(child, parentContext.parents);
            if (!skipResolution) {
                List<DependencyNode> parents = new ArrayList<>(parentContext.parents.size() + 1);
                parents.addAll(parentContext.parents);
                parents.add(child);
                for (Dependency dependency : descriptorResult.getDependencies()) {
                    RequestTrace childTrace = collectStepTrace(
                            parentContext.trace, args.request.getRequestContext(), parents, dependency);
                    PremanagedDependency premanagedDependency = PremanagedDependency.create(
                            childManager, dependency, disableVersionManagement, args.premanagedState);
                    DependencyProcessingContext processingContext = new DependencyProcessingContext(
                            childSelector,
                            childManager,
                            childTraverser,
                            childFilter,
                            childTrace,
                            childRepos,
                            descriptorResult.getManagedDependencies(),
                            parents,
                            dependency,
                            premanagedDependency);
                    if (!filter(processingContext)) {
                        // resolve descriptors ahead for managed dependency
                        processingContext.withDependency(processingContext.premanagedDependency.getManagedDependency());
                        resolveArtifactDescriptorAsync(args, processingContext, results);
                        args.dependencyProcessingQueue.add(processingContext);
                    }
                }
                args.pool.putChildren(key, child.getChildren());
                args.skipper.cache(child, parents);
            }
        } else {
            child.setChildren(children);
        }
    }