//   isTransaction: Indicates whether this operation is part of a transaction, which may affect the caching strategy.
	//   connPool: A connection pool that provides database connections.
	//   locker: A synchronization lock that is unlocked after initialization to avoid deadlocks.
	// Returns:
	//   *Stmt: A newly created statement object for executing SQL operations.
	//   error: An error if the statement preparation fails.

            TimeZone.setDefault(originalDefault);
        }
    }

    @Test
    public void test_processDBFluteSystem_unlocksAndLocks() {
        // This test verifies that the DBFluteSystem is properly unlocked and locked
        // during the process, though we can't directly test the lock state

        // When
        try {
            curtainBeforeHook.processDBFluteSystem();

      List<LockGraphNode> acquiredLockList = requireNonNull(acquiredLocks.get());
      LockGraphNode node = lock.getLockGraphNode();
      // Iterate in reverse because locks are usually locked/unlocked in a
      // LIFO order.
      for (int i = acquiredLockList.size() - 1; i >= 0; i--) {
        if (acquiredLockList.get(i) == node) {
          acquiredLockList.remove(i);
          break;
        }
      }

     * adding {@code entry} to relevant eviction lists.
     *
     * <p>Note: this method should only be called under lock, as it directly manipulates the
     * eviction queues. Unlocked reads should use {@link #recordRead}.
     */
    @GuardedBy("this")
    void recordLockedRead(ReferenceEntry<K, V> entry, long now) {
      if (map.recordsAccess()) {
        entry.setAccessTime(now);

     * adding {@code entry} to relevant eviction lists.
     *
     * <p>Note: this method should only be called under lock, as it directly manipulates the
     * eviction queues. Unlocked reads should use {@link #recordRead}.
     */
    @GuardedBy("this")
    void recordLockedRead(ReferenceEntry<K, V> entry, long now) {
      if (map.recordsAccess()) {
        entry.setAccessTime(now);