public void basicBridgeUpdateVersionStamp(Object key, Object callbackArg,
      ClientProxyMembershipID memberId, boolean fromClient, EntryEventImpl clientEvent) {

    // Create an event and update version stamp of the entry
    @Released
    EntryEventImpl event = entryEventFactory.create(this, Operation.UPDATE_VERSION_STAMP, key, null,
        null, false, memberId.getDistributedMember(), false, clientEvent.getEventId());

    event.setContext(memberId);

    // if this is a replayed operation we may already have a version tag
    event.setVersionTag(clientEvent.getVersionTag());
    event.setPossibleDuplicate(clientEvent.isPossibleDuplicate());

    try {
      basicUpdateEntryVersion(event);
    } finally {
      clientEvent.setVersionTag(event.getVersionTag());
      clientEvent.isConcurrencyConflict(event.isConcurrencyConflict());
      event.release();
    }
  }
Clear the region from a server request.

@param callbackArgument The callback argument. This is currently null since
       {@link Map#clear} supports no parameters.
@param processedMarker Whether the marker has been processed (for durable clients)
geode-core/src/main/java/org/apache/geode/internal/cache/LocalRegion.java