assertTrue(e.getCause().getMessage().contains("Failed to create multi-channel transport"));
        }
    }

    @Test
    @DisplayName("MultiChannelManager should shutdown cleanly")
    void testShutdown() {
        assertDoesNotThrow(() -> {
            multiChannelManager.shutdown();
        });
    }

    @Test
    @DisplayName("createDefaultContext should work")

                    /* Someone removed the share while we were
                     * connected. Bastards! Disconnect this tree
                     * so that it reconnects cleanly should the share
                     * reappear in this client's lifetime.
                     */
                    treeDisconnect(true);
                }
                throw se;
            }
        }

```

   */
  inner class FramingSource internal constructor(
    /** Maximum number of bytes to buffer before reporting a flow control error. */
    private val maxByteCount: Long,
    /**
     * True if either side has cleanly shut down this stream. We will receive no more bytes beyond
     * those already in the buffer.
     */
    internal var finished: Boolean,
  ) : Source {

                log.warn("Tree was not properly released, performing emergency cleanup: " + this);
                emergencyCleanup();
            }
        } catch (Exception e) {
            log.error("Error during tree finalization", e);
        } finally {
            super.finalize();
        }
    }

    /**
     * Emergency cleanup method to prevent memory leaks during finalization
     */

 *
 * <p>A call to any of the <i>enter</i> methods with <b>void</b> return type should always be
 * followed immediately by a <i>try/finally</i> block to ensure that the current thread leaves the
 * monitor cleanly:
 *
 * {@snippet :
 * monitor.enter();
 * try {
 *   // do things while occupying the monitor
 * } finally {
 *   monitor.leave();
 * }
 * }
 *

				groupSet := set.CreateStringSet(actualGroups...)

				// duplicates can be overwritten, fetched groups should be identical.
				cleanQ.Users[lookupRes.NormDN] = groupSet
			}
			// Search for non-normalized DN as well for backward compatibility.
			if _, ok := cleanQ.Users[user]; !ok {
				cleanQ.Users[user] = nil
			}
		}

		// Validate and normalize groups.
		for _, group := range q.Groups {

                    pathToLease.remove(entry.getValue().getPath());
                    cleaned++;
                    log.debug("Cleaned up expired lease: {}", entry.getKey());
                }
            }

            if (cleaned > 0) {
                log.info("Cleaned up {} expired leases", cleaned);
            }

            return cleaned;
        } finally {
            lock.writeLock().unlock();
        }
    }

        // Clean up leases older than 5ms
        int cleaned = leaseManager.cleanupExpiredLeases(5);

        // At least the first lease should be cleaned
        assertTrue(cleaned >= 1);

        // Check if old lease was removed
        LeaseEntry entry1 = leaseManager.getLease(key1);
        if (cleaned == 2) {
            assertNull(entry1);

        this.cleanupInterval = cleanupInterval;

        // Start cleanup scheduler
        this.cleanupScheduler = Executors.newSingleThreadScheduledExecutor(r -> {
            Thread t = new Thread(r, "AuthRateLimiter-Cleanup");
            t.setDaemon(true);
            return t;
        });

        cleanupScheduler.scheduleWithFixedDelay(this::cleanup, cleanupInterval.toMillis(), cleanupInterval.toMillis(),