tm1.addProvide("version", "1.5");
        tm1.addProvide("vendor", "sun");
        Xpp3Dom configuration1 = new Xpp3Dom("configuration");
        Xpp3Dom jdkHome1 = new Xpp3Dom("jdkHome");
        jdkHome1.setValue("${env.JAVA_HOME}");
        configuration1.addChild(jdkHome1);
        tm1.setConfiguration(configuration1);

        ToolchainModel tm2 = new ToolchainModel();
        tm1.setType("jdk");

    }
    {
      Entry<Integer, String> entry = unmod.lowerEntry(2);
      assertThrows(UnsupportedOperationException.class, () -> entry.setValue("four"));
    }
    {
      Entry<Integer, String> entry = unmod.higherEntry(2);
      assertThrows(UnsupportedOperationException.class, () -> entry.setValue("four"));
    }
    {

   * {@code put()} or {@code putAll()}, or {@code setValue()} on its entries.
   *
   * <p>In contrast, the maps returned by {@code rowMap().get()} have the same behavior as those
   * returned by {@link #row}. Those maps may support {@code setValue()}, {@code put()}, and {@code
   * putAll()}.
   *

  @Override
  @ParametricNullness
  public V getValue() {
    return delegate().getValue();
  }

  @Override
  @ParametricNullness
  @CanIgnoreReturnValue
  public V setValue(@ParametricNullness V value) {
    return delegate().setValue(value);
  }

  @Override
  public boolean equals(@Nullable Object object) {
    return delegate().equals(object);
  }

  @Override
  public int hashCode() {

  }

  @Override
  @ParametricNullness
  public final V getValue() {
    return super.getValue();
  }

  @Override
  @ParametricNullness
  public final V setValue(@ParametricNullness V value) {
    return super.setValue(value);
  }

  @Nullable ImmutableMapEntry<K, V> getNextInKeyBucket() {
    return null;
  }

  @Nullable ImmutableMapEntry<K, V> getNextInValueBucket() {
    return null;
  }

    }

    @Override
    public void add(Entry<K, V> e) {
      throw new UnsupportedOperationException();
    }

    void setValue(@ParametricNullness V value) {
      checkState(current != null);
      current.setValue(value);
    }
  }

  /** An {@code Iterator} over distinct keys in key head order. */
  private final class DistinctKeyIterator implements Iterator<K> {

    /** Clears the reference queues used by this segment, if any. */
    void maybeClearReferenceQueues() {}

    /** Sets the value of the given {@code entry}. */
    void setValue(E entry, V value) {
      this.map.entryHelper.setValue(self(), entry, value);
    }

    /** Returns a copy of the given {@code entry}. */
    @Nullable E copyEntry(E original, E newNext) {

    }

    @Test
    public void test_register_complexObject() {
        RenderData data = new RenderData();

        ComplexObject obj = new ComplexObject();
        obj.setValue("complex value");

        RenderDataUtil.register(data, "complex", obj);

        Object result = data.getDataMap().get("complex");
        assertEquals(obj, result); // Non-entity objects are registered as-is

    }

    @Override
    public void add(Entry<K, V> e) {
      throw new UnsupportedOperationException();
    }

    void setValue(@ParametricNullness V value) {
      checkState(current != null);
      current.setValue(value);
    }
  }

  /** An {@code Iterator} over distinct keys in key head order. */
  private final class DistinctKeyIterator implements Iterator<K> {

        assertNotNull(task);
        assertNotNull(task.getValue1());
        assertNotNull(task.getValue2());
        assertNotNull(task.getValue3());
        assertEquals("task-id", task.getValue1());
        assertEquals(path, task.getValue2());
        assertEquals("application/pdf", task.getValue3());
    }

    @Test
    public void test_createTask_withNullPath() {
        // Test task creation with null path