T result = checkNotNull(itr.next());
      if (!itr.hasNext()) {
        stack.removeLast();
      }
      Iterator<T> childItr = children(result).iterator();
      if (childItr.hasNext()) {
        stack.addLast(childItr);
      }
      return result;
    }
  }

  /**
   * Returns an unmodifiable iterable over the nodes in a tree structure, using post-order

        // load the child project, which inherits from p0...
        MavenProject project1 = getProject(pom1);

        System.out.println("\n\n");
        System.out.println("Child SCM URL is: " + project1.getScm().getUrl());
        System.out.println("Child SCM connection is: " + project1.getScm().getConnection());
        System.out.println(

                (parent.tryBlock == child || child in parent.catchClauses) && isUsed(parent)

            // If expressions always use their condition, and the branches are used if the
            // If itself is used as an expression.
            is KtIfExpression ->
                parent.condition == child ||
                        ((parent.then == child ||
                                parent.`else` == child) && isUsed(parent))

        String childPath = child.getProperties().getOrDefault(CHILD_DIRECTORY_PROPERTY, child.getArtifactId());
        hints.put(CHILD_DIRECTORY, childPath);
        hints.put(MavenModelMerger.CHILD_PATH_ADJUSTMENT, getChildPathAdjustment(child, parent, childPath));
        return merger.merge(child, parent, false, hints);
    }

    /**

<project xmlns="http://maven.apache.org/POM/4.1.0">
  <parent>
    <groupId>org.my.group</groupId>
    <artifactId>parent</artifactId>
  </parent>
  <artifactId>child</artifactId>
  <packaging>jar</packaging>

  <properties>
    <prop-child>bar</prop-child>
  </properties>
  <dependencies>
    <dependency>
      <groupId>org.slf4j</groupId>
      <artifactId>slf4j-api</artifactId>
    </dependency>
  </dependencies>

    /**
     * Merges values from the specified parent model into the given child model. Implementations are expected to keep
     * parent and child completely decoupled by injecting deep copies of objects into the child rather than the original
     * objects from the parent.
     *
     * @param child The child model into which to merge the values inherited from the parent, must not be
     *            <code>null</code>.

    /**
     * How the test project is set up:
     *
     * 1. dependencyManagement lists dependencies on a & b,
     *    with an exclusion on c in b.
     * 2. the child project lists a dependency on project a only
     * 3. a depends on b (which is transitive to the child project),
     *    and b depends on c.
     *
     * We should see that the resulting size of collected artifacts is two:
     * a & b only.
     */
    @Test

        assertEquals("CHILD-1", pom.getValue(prefix + "stringParams/stringParam[5]"));
        assertEquals("CHILD-3", pom.getValue(prefix + "stringParams/stringParam[6]"));
        assertEquals("CHILD-2", pom.getValue(prefix + "stringParams/stringParam[7]"));
        assertEquals("CHILD-4", pom.getValue(prefix + "stringParams/stringParam[8]"));

    assertEquals("com", parent.toString());

    // These would throw an exception if leniency were not preserved during parent() and child()
    // calls.
    InternetDomainName child = parent.child(LOTS_OF_DELTAS);
    InternetDomainName unused = child.child(LOTS_OF_DELTAS);
  }

  public void testValidTopPrivateDomain() {
    InternetDomainName googleDomain = InternetDomainName.from("google.com");

      accumulatorBitCount -= 8
      val childIndex = (code ushr accumulatorBitCount) and 0xff
      val children = node.children!!
      var child = children[childIndex]
      if (child == null) {
        child = Node()
        children[childIndex] = child
      }
      node = child
    }

    val shift = 8 - accumulatorBitCount
    val start = (code shl shift) and 0xff
    val end = 1 shl shift