}
                validateStringNotEmpty(problems, "proxies.proxy.host", proxy.getHost(), proxy.getId());

                try {
                    Integer.parseInt(proxy.getPortString());
                } catch (NumberFormatException e) {
                    addViolation(
                            problems,
                            BuilderProblem.Severity.ERROR,

     * To allow interpolation of this field, this method lazily parses
     * the {@link #getPortString()} value as an integer and defaults to {@code 8080}
     * if not set.
     *
     * @return an integer indicating the port to use for this proxy
     */
    public int getPort() {
        return (getPortString() != null) ? Integer.parseInt(getPortString()) : 8080;
    }

          </code>
        </codeSegment>