@Override
    @SuppressWarnings("nls")
    public String toString() {
        return "PolicyFailure [type=" + type + ", failureCode=" + failureCode + ", responseCode=" + responseCode + ", message=" + message
                + ", headers=" + headers + "]";
    }
@param responseCode the responseCode to set
gateway/engine/beans/src/main/java/io/apiman/gateway/engine/beans/PolicyFailure.java