}

  protected void expectUnchanged() {
    expectContents(getOrderedElements());
  }

  /**
   * Asserts that the collection under test contains exactly the elements it was initialized with
   * plus the given elements, according to {@link #expectContents(java.util.Collection)}. In other
   * words, for the default {@code expectContents()} implementation, the number of occurrences of

  }

  protected void expectUnchanged() {
    expectContents(getOrderedElements());
  }

  /**
   * Asserts that the collection under test contains exactly the elements it was initialized with
   * plus the given elements, according to {@link #expectContents(java.util.Collection)}. In other
   * words, for the default {@code expectContents()} implementation, the number of occurrences of