void basicUpdateEntryVersion(EntryEventImpl event) throws EntryNotFoundException {
    if (hasSeenEvent(event)) {
      if (logger.isTraceEnabled(LogMarker.DM_VERBOSE)) {
        logger.trace(LogMarker.DM_VERBOSE,
            "LR.basicDestroy: this cache has already seen this event {}", event);
      }
      if (getConcurrencyChecksEnabled() && event.getVersionTag() != null
          && !event.getVersionTag().isRecorded()) {
        getVersionVector().recordVersion((InternalDistributedMember) event.getDistributedMember(),
            event.getVersionTag());
      }
      return;
    }

    getDataView().updateEntryVersion(event);
  }
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