private static void fetchAndSetValueForIsGetter(Object proxy, Method m, PlcConnectionManager connectionManager, String address, AliasRegistry registry, Map<String, Instant> lastFetched) throws OPMException {
        fetchAndSetValueForGetter(proxy, m, 2, connectionManager, address, registry, lastFetched);
    }
Checks if a tags needs to be re-fetched/re-written, i.e., the cached values are too old.
plc4j/tools/opm/src/main/java/org/apache/plc4x/java/opm/PlcEntityInterceptor.java