@Retained
  public Object getRetained(Object key, Object aCallbackArgument, boolean generateCallbacks,
      boolean disableCopyOnRead, ClientProxyMembershipID requestingClient,
      EntryEventImpl clientEvent, boolean returnTombstones)
      throws TimeoutException, CacheLoaderException {
    return getRetained(key, aCallbackArgument, generateCallbacks, disableCopyOnRead,
        requestingClient, clientEvent, returnTombstones, false);
  }
The result of this operation may be an off-heap reference that the caller must release
geode-core/src/main/java/org/apache/geode/internal/cache/LocalRegion.java