state = State.CollectValue;
            if (parent.firstChild == null) {
                parent.firstChild = this;
                parent.lastChild = this;
            } else {
                parent.lastChild.nextSibling = this;
                parent.lastChild = this;
            }
        }

        Separator getFirstChildSeparator() {
            if (firstChild == null) {

                            headers.put(
                                    property.getChild("name").getValue(),
                                    property.getChild("value").getValue());
                        }
                    }
                }

                PlexusConfiguration connectTimeoutXml = config.getChild("connectTimeout", false);
                if (connectTimeoutXml != null) {

            assertEquals("lib/tools.jar", config0.getChild("toolsJar").getValue());
            assertEquals(2, config0.getChildCount());
            Xpp3Dom config1 = (Xpp3Dom) jdks.getToolchains().get(1).getConfiguration();
            assertEquals(2, config1.getChildCount());
            assertEquals("lib/classes.jar", config1.getChild("toolsJar").getValue());
            assertEquals(2, jdksExtend.getToolchains().size());

                            String groupId = root.getChild("groupId").getValue();
                            String artifactId = root.getChild("artifactId").getValue();
                            String goalPrefix = root.getChild("goalPrefix").getValue();
                            String name = root.getChild("name").getValue();

            output.withStyle(Info).println("(*) - details omitted (listed previously)");
        }
    }

    private void renderTo(final N node, GraphRenderer graphRenderer, Collection<N> rendered, boolean lastChild) {
        final boolean alreadySeen = !rendered.add(node);

        graphRenderer.visit(new Action<StyledTextOutput>() {
            @Override
            public void execute(StyledTextOutput output) {

            handler.accept(getChild(parent, propertyMetadata));
        }

        @Override
        protected void walkLeaf(TypeToken<?> node, @Nullable String parentQualifiedName, StaticMetadataVisitor visitor, PropertyMetadata propertyMetadata) {
        }

        @Override
        protected TypeToken<?> getChild(TypeToken<?> parent, PropertyMetadata property) {

        Xpp3Dom conf = (Xpp3Dom)
                result.getEffectiveModel().getBuild().getPlugins().get(0).getConfiguration();
        assertNotNull(conf);
        assertEquals("1.5", conf.getChild("source").getValue());
        assertEquals("  1.5  ", conf.getChild("target").getValue());
    }

    @Test
    void testPomChanges() throws Exception {
        ModelBuilder builder = new DefaultModelBuilderFactory().newInstance();

        }

        extensionDescriptor.setExportedPackages(parseStrings(dom.getChild("exportedPackages")));

        extensionDescriptor.setExportedArtifacts(parseStrings(dom.getChild("exportedArtifacts")));

        return extensionDescriptor;
    }

    private List<String> parseStrings(XmlNode dom) {
        List<String> strings = null;

            minIndex = i;
          }
        }
        Optional<BinaryNode> leftChild = createTreap(keys.subList(0, minIndex));
        Optional<BinaryNode> rightChild = createTreap(keys.subList(minIndex + 1, keys.size()));
        return Optional.of(new BinaryNode(keys.get(minIndex), leftChild, rightChild));
      }
    };

    abstract Optional<BinaryNode> createTree(int size, Random rng);
  }

/**
 * Wraps an object, providing reflective access to the object graph of which the
 * supplied object is the root. Expressions like 'child.name' will translate into
 * 'rootObject.getChild().getName()' for non-boolean properties, and
 * 'rootObject.getChild().isName()' for boolean properties.
 */
public class ObjectBasedValueSource extends AbstractValueSource {

    private final Object root;

    /**