/* Re-initialize fields that should not be shared by the new DB. */
newDb.id = null;
newDb.tree = null;
newDb.createdAtLogVersion = LogEntryType.LOG_VERSION;
newDb.dbFileSummaries = new DbFileSummaryMap
(false /*countParentMapEntry*/);
newDb.dbFileSummaries.init(envImpl);
newDb.useCount = new AtomicInteger();
return newDb;
}