// Clear any cached resources
                // Note: Most fields in SmbTreeImpl are final or managed differently

                // Clear session reference if mutable
                // Note: session field may be final, cannot be nulled
            }
        } catch (Exception e) {
            log.error("Failed to perform emergency tree cleanup", e);
        }
    }

    /**

    assertFalse(segment.replace(key, hash, oldValue, newValue));
    assertEquals(1, segment.count);
    assertSame(newValue, segment.get(key, hash));

    // cleared
    segment.setWeakValueReferenceForTesting(entry, oldValueRef);
    oldValueRef.clear();
    assertFalse(segment.replace(key, hash, oldValue, newValue));
    assertEquals(0, segment.count);
    assertThat(segment.get(key, hash)).isNull();
  }

    assertFalse(segment.replace(key, hash, oldValue, newValue));
    assertEquals(1, segment.count);
    assertSame(newValue, segment.get(key, hash));

    // cleared
    segment.setWeakValueReferenceForTesting(entry, oldValueRef);
    oldValueRef.clear();
    assertFalse(segment.replace(key, hash, oldValue, newValue));
    assertEquals(0, segment.count);
    assertThat(segment.get(key, hash)).isNull();
  }

        @Option(name = "-p", aliases = "--properties", metaVar = "properties", usage = "Properties File")
        public String propertiesPath;

        /** Number of days after which documents should expire and be cleaned up. */
        @Option(name = "-e", aliases = "--expires", metaVar = "expires", usage = "Expires for documents")
        public String expires;

        /** Interval in milliseconds for hot thread monitoring and logging. */

    // can't compare map contents until cleanup occurs

    for (int i = 1; i <= originalCount * 2; i *= 2) {
      if (i > 1) {
        segment.expand();
      }
      assertThat(segment.table.length()).isEqualTo(i);
      assertThat(countLiveEntries(map, 0)).isEqualTo(liveCount);
      // expansion cleanup is sloppy, with a goal of avoiding unnecessary copies

    // can't compare map contents until cleanup occurs

    for (int i = 1; i <= originalCount * 2; i *= 2) {
      if (i > 1) {
        segment.expand();
      }
      assertThat(segment.table.length()).isEqualTo(i);
      assertThat(countLiveEntries(map, 0)).isEqualTo(liveCount);
      // expansion cleanup is sloppy, with a goal of avoiding unnecessary copies

 * entries may be counted in {@link Cache#size}, but will never be visible to read or write
 * operations.
 *
 * <p>Certain cache configurations will result in the accrual of periodic maintenance tasks which
 * will be performed during write operations, or during occasional read operations in the absence of

            paramMap.put(entry.getKey(), list.toArray(new String[list.size()]));
        }
        return paramMap;
    }

    /**
     * Cleans up resources when the filter is destroyed.
     * Currently performs no cleanup operations.
     */
    @Override
    public void destroy() {
        // nothing
    }

    - [Node binaries](#node-binaries-4)
  - [Changelog since v1.18.15](#changelog-since-v11815)
  - [Changes by Kind](#changes-by-kind-4)
    - [Bug or Regression](#bug-or-regression-4)
    - [Other (Cleanup or Flake)](#other-cleanup-or-flake)
  - [Dependencies](#dependencies-4)
    - [Added](#added-4)
    - [Changed](#changed-4)
    - [Removed](#removed-4)
- [v1.18.15](#v11815)
  - [Downloads for v1.18.15](#downloads-for-v11815)

                5, // max attempts per IP
                20, // max global attempts per minute
                Duration.ofSeconds(2), // short lockout for testing
                Duration.ofMinutes(1) // cleanup interval
        );
    }

    @AfterEach
    public void tearDown() {
        if (rateLimiter != null) {
            rateLimiter.close();
        }
    }

    @Test