else { getAttributes().remove("disabled"); }
    public void setDisabled(String disabled) {        boolean isDisabled = "disabled".equalsIgnoreCase(disabled);        if (!isDisabled) {            BooleanTypeConverter converter = new BooleanTypeConverter();            isDisabled = converter.convert(disabled, Boolean.class, null);        }        if (isDisabled) {            set("disabled", "disabled");        }    }