return convertEmptyToNull(url);
    }

    public void setUrl(String value) {
        registerModifiedProperty("url");
        this.url = value;
    }

    public String getUserSessionId() {
        checkSpecifiedProperty("userSessionId");
        return convertEmptyToNull(userSessionId);
    }

    public void setUserSessionId(String value) {
        registerModifiedProperty("userSessionId");