// DISCUSS
        "EnumOrdinal", // This violation is ubiquitous, though most are benign.
        "EqualsGetClass", // Let's agree if we want to adopt Error Prone's idea of valid equals()
        "JdkObsolete", // Most of the checks are good, but we do not want to replace all LinkedLists without a good reason

        // NEVER
        "AssignmentExpression", // Not using it is more a matter of taste.

   * syntax</a>.
   */
  @SuppressWarnings({
    "NonApiType", // acts as a direct substitute for a constructor call
    "JdkObsolete", // We recommend against this method but need to keep it for compatibility.
  })
  public static <E extends @Nullable Object> LinkedList<E> newLinkedList() {
    return new LinkedList<>();
  }

  /**

    @Override
    /*
     * We need a Queue that implements equals() for the equality tests we perform after
     * reserializing the multimap.
     */
    @SuppressWarnings("JdkObsolete")
    public Queue<Integer> getImpl() {
      return new LinkedList<>();
    }

    @GwtIncompatible @J2ktIncompatible private static final long serialVersionUID = 0;
  }

   * syntax</a>.
   */
  @SuppressWarnings({
    "NonApiType", // acts as a direct substitute for a constructor call
    "JdkObsolete", // We recommend against this method but need to keep it for compatibility.
  })
  public static <E extends @Nullable Object> LinkedList<E> newLinkedList() {
    return new LinkedList<>();
  }

  /**

    assertEquals(3, (int) enumer.nextElement());
    assertFalse(enumer.hasMoreElements());
  }

  // We're testing our asEnumeration method against a known-good implementation.
  @SuppressWarnings("JdkObsolete")
  private static Enumeration<Integer> enumerate(int... ints) {
    Vector<Integer> vector = new Vector<>(Ints.asList(ints));
    return vector.elements();
  }

  public void testToString() {

    assertEquals(3, (int) enumer.nextElement());
    assertFalse(enumer.hasMoreElements());
  }

  // We're testing our asEnumeration method against a known-good implementation.
  @SuppressWarnings("JdkObsolete")
  private static Enumeration<Integer> enumerate(int... ints) {
    Vector<Integer> vector = new Vector<>(Ints.asList(ints));
    return vector.elements();
  }

  public void testToString() {