private static <T> Set<T> stringToSet(
            final Prop prop,
            final String serialisedForm,
            final Class<T> type) {
        if (serialisedForm == null || serialisedForm.isEmpty()) {
            return Collections.emptySet();
        } else {
            return new HashSet<>(stringToList(prop, serialisedForm, type));
        }
    }
@param dbConfigProperty The config property object obtained from the database
@return The updated typed value from the object model
stroom-config/stroom-config-global-impl/src/main/java/stroom/config/global/impl/ConfigMapper.java