@Override
  public DiskEntry initializeRecoveredEntry(Object key, RecoveredEntry re) {
    if (re.getValue() == null) {
      Assert.fail("Value should not have been null for key " + key);
    }
    currentOplogEntries.put(key, re);
    return super.initializeRecoveredEntry(key, re);
  }
An implementation if DiskRegion used for offline export. After each oplog is recovered this disk
region passes the contents recovered from the oplog to an ExportWriter, which can export those
entries.
geode-core/src/main/java/org/apache/geode/internal/cache/ExportDiskRegion.java