@Override
    public boolean isSubscribeSupported() {
        return canSubscribe;
    }
Base class for implementing connections.
Per default, all operations (read, write, subscribe) are unsupported.
Concrete implementations should override the methods indicating connection capabilities
and for obtaining respective request builders.
plc4j/spi/src/main/java/org/apache/plc4x/java/spi/connection/AbstractPlcConnection.java