keyToIdx[k] = i
		elements[i] = e
	}
	for it := oMapList.Iterator(); it.HasNext() == types.True; {
		v := it.Next().Value()
		k := t.toMapKey(v)
		if overwritePosition, ok := keyToIdx[k]; ok {
			elements[overwritePosition] = v
		} else {
			elements = append(elements, v)
		}
	}
	return &unstructuredMapList{
		unstructuredList: unstructuredList{elements: elements, itemsSchema: t.itemsSchema},

    }

    def "can set elements as convention of file collection"() {
        buildFile """
            def files = objects.fileCollection().convention('b')
            def elements = files.elements

            def name = 'a'
            files.from(name)

            assert elements.get().asFile == [file('b'), file('a')]
        """

        expect:
        succeeds()

     * Calculates a set of renamings for each duplicate name in the given set of elements.
     *
     * @param elements the elements with possibly duplicated names
     * @return a Map containing the new name for each element that has to be renamed
     */
    public Map<T, String> deduplicate(Iterable<? extends T> elements) {
        return new StatefulDeduplicator(elements).getNewNames();
    }

    /*

     * type.
     *
     * @param elements the elements to add
     * @return this {@code Builder} instance
     * @throws NullPointerException if {@code elements} is null or contains a null element
     */
    @CanIgnoreReturnValue
    public Builder<E> addAll(Iterator<? extends E> elements) {
      while (elements.hasNext()) {
        add(elements.next());
      }
      return this;
    }

    // We special-case for 0 or 1 elements, but going further is madness.
    if (!elements.hasNext()) {
      return of();
    }
    E first = elements.next();
    if (!elements.hasNext()) {
      return of(first);
    } else {
      return new ImmutableList.Builder<E>().add(first).addAll(elements).build();
    }
  }

  /**
   * Returns an immutable list containing the given elements, in order.

   * have been removed.
   *
   * <p><b>Warning:</b> Typical uses of the resulting iterator may produce an infinite loop. You
   * should use an explicit {@code break} or be certain that you will eventually remove all the
   * elements.
   *
   * <p>To cycle over the elements {@code n} times, use the following: {@code
   * Iterables.concat(Collections.nCopies(n, Arrays.asList(elements)))}
   *

    CompactHashSet<E> set = createWithExpectedSize(elements.length);
    Collections.addAll(set, elements);
    return set;
  }

  /**
   * Creates a {@code CompactHashSet} instance, with a high enough "initial capacity" that it
   * <i>should</i> hold {@code expectedSize} elements without growth.
   *
   * @param expectedSize the number of elements you expect to add to the returned set

    }

    List<DummyElement> elements = new ArrayList<>()

    private element(String name, Closure config = {}) {
        def root = new DummyElement(name)
        elements += root
        configure(root, config)
    }

    private idNameElement(String name, Closure config = {}) {
        def root = new DummyElement(name, name + "Id")
        elements += root
        configure(root, config)
    }

      super.add(elements);
      return this;
    }

    /**
     * Adds each element of {@code elements} to the {@code ImmutableSortedSet}, ignoring duplicate
     * elements (only the first duplicate element is added).
     *
     * @param elements the elements to add to the {@code ImmutableSortedSet}
     * @return this {@code Builder} object

  }

  /**
   * Creates an {@code ArrayDeque} containing the elements of the specified iterable, in the order
   * they are returned by the iterable's iterator.
   *
   * @since 12.0
   */
  public static <E> ArrayDeque<E> newArrayDeque(Iterable<? extends E> elements) {
    if (elements instanceof Collection) {
      return new ArrayDeque<>((Collection<? extends E>) elements);
    }
    ArrayDeque<E> deque = new ArrayDeque<>();