protected Activation.Builder transformActivation_Os(
                Supplier<? extends Activation.Builder> creator, Activation.Builder builder, Activation target) {
            stk.push(nextFrame("os", Activation::getOs));
            try {
                return super.transformActivation_Os(creator, builder, target);
            } finally {
                stk.pop();
            }
        }

        @Override

        DependencyCollectorResult collectorResult =
                session.getService(DependencyCollector.class).collect(request);
        List<Node> nodes = flatten(session, collectorResult.getRoot(), request.getPathScope());
        List<ArtifactCoordinate> coordinates = nodes.stream()
                .map(Node::getDependency)
                .filter(Objects::nonNull)
                .map(Artifact::toCoordinate)

            collect.setTrace(RequestTrace.newChild(trace, depRequest));
            node = repoSystem.collectDependencies(session, collect).getRoot();
            result.setDependencyGraph(node);
        } catch (DependencyCollectionException e) {
            result.setDependencyGraph(e.getResult().getRoot());
            result.setCollectionErrors(e.getResult().getExceptions());

            throw new DependencyResolutionException(

     */
    @Nonnull
    @Override
    public Node collectDependencies(@Nonnull Artifact artifact) {
        return getService(DependencyCollector.class).collect(this, artifact).getRoot();
    }

    /**
     * Shortcut for <code>getService(DependencyCollector.class).collect(...)</code>
     *
     * @throws DependencyCollectorException if the dependency collection failed

            }
        }
        return null;
    }

    @Override
    public List<Exception> getExceptions() {
        return exceptions;
    }

    @Override
    public Node getRoot() {
        return root;
    }

    @Override
    public List<Node> getNodes() {
        return nodes;
    }

    @Override
    public List<Path> getPaths() {
        return paths;

addFailure(junit.framework.Test, junit.framework.AssertionFailedError); public abstract void testStarted(String); public abstract void testEnded(String); public abstract void testFailed(int, junit.framework.Test, Throwable); public junit.framework.Test getTest(String); public String elapsedTimeAsString(long); protected String processArguments(String[]); public void setLoading(boolean); public String extractClassName(String); public static String truncate(String); protected abstract void runFailed(String);...