How to use the @shopgate/pwa-common-commerce/cart/selectors.getCartItems function in @shopgate/pwa-common-commerce

const mapStateToProps = (state) => {
  const hasCartItems = getCartItems(state).length > 0;

  return {
    showCouponsHint: hasCartItems && !hasCouponSupport(state),
    showTaxDisclaimer: hasCartItems && showTaxDisclaimer,
  };
};

const mapStateToProps = state => ({
  isUserLoggedIn: isUserLoggedIn(state),
  cartItems: getCartItems(state),
  messages: getCartMessages(state),
  currency: getCurrency(state),
});

const mapStateToProps = state => ({
  cartItems: getCartItems(state),
  isLoading: isViewLoading(state, CART_PATH),
  messages: getCartMessages(state),
});

const mapStateToProps = state => ({
  cartItems: getCartItems(state),
  messages: getCartMessages(state),
});

const mapStateToProps = (state) => {
  const hasCartItems = getCartItems(state).length > 0;

  return {
    showCouponsHint: hasCartItems && !hasCouponSupport(state),
    showTaxDisclaimer: hasCartItems && showTaxDisclaimer,
  };
};