public static boolean isNeverDurable(final String value) {
        return "0".equalsIgnoreCase(value) || "NEVER".equalsIgnoreCase(value) || !StringUtils.hasText(value);
    }
Is never durable?

@param value the value
@return true/false
api/cas-server-core-api-configuration-model/src/main/java/org/apereo/cas/configuration/support/Beans.java