// Verify all searchers were registered (1 initial + numThreads * searchersPerThread)
                assertEquals(numThreads * searchersPerThread, registeredCount.get());

            } finally {
                executor.shutdown();
                executor.awaitTermination(5, TimeUnit.SECONDS);
            }
        }
    }

    /**

        InvertibleCryptographer first = securityResourceProvider.providePrimaryInvertibleCryptographer();
        InvertibleCryptographer second = securityResourceProvider.providePrimaryInvertibleCryptographer();

        assertNotNull(first);
        assertNotNull(second);
        assertSame(first, second);
        assertSame(invertibleCryptographer, first);
    }

    @Test

     * -2: use system default, -1: never expire, 0 or positive: expire after specified days.
     */
    protected int documentExpires = -2;

    /**
     * Hot thread monitoring interval in seconds.
     * -1: disabled, positive value: enable hot thread monitoring with specified interval.
     * Used for performance analysis and debugging of the crawler process.
     */
    protected int hotThreadInterval = -1;

        TestScriptEngine engine1 = new TestScriptEngine("first");
        TestScriptEngine engine2 = new TestScriptEngine("second");

        scriptEngineFactory.add("test", engine1);
        scriptEngineFactory.add("test", engine2);

        // Should get the second engine
        ScriptEngine retrieved = scriptEngineFactory.getScriptEngine("test");
        assertEquals(engine2, retrieved);
    }

        scriptExecutor.addShutdownListener(listener1);

        // Add second listener (should replace first)
        TestShutdownListener listener2 = new TestShutdownListener();
        scriptExecutor.addShutdownListener(listener2);

        // Call shutdown
        scriptExecutor.shutdown();

        // Verify only second listener was called
        assertFalse(listener1.wasShutdownCalled());

    public void test_setId_overwriteExisting() {
        final JobLog jobLog = new JobLog();
        jobLog.setId("first-id");
        assertEquals("first-id", jobLog.getId());

        jobLog.setId("second-id");
        assertEquals("second-id", jobLog.getId());
    }

    @Test
    public void test_setId_withUuidFormat() {
        final JobLog jobLog = new JobLog();
        final String uuidNoHyphens = "a1b2c3d4e5f6a7b8c9d0e1f2a3b4c5d6";

        assertEquals("Second group should be AnotherTestGroup", AnotherTestGroup.class, multiAnnotation.groups()[1]);

        assertEquals("Should have 2 payloads", 2, multiAnnotation.payload().length);
        assertEquals("First payload should be TestPayload", TestPayload.class, multiAnnotation.payload()[0]);

        // First execution
        String result1 = aggregateLogJob.execute();
        assertNotNull(result1);
        assertTrue(result1.contains("Error 1"));

        // Second execution
        String result2 = aggregateLogJob.execute();
        assertNotNull(result2);
        assertTrue(result2.contains("Error 2"));

        // Results should be independent

                // First mock implementation
            }
        };

        // Create second customizer
        ComponentCustomizer customizer2 = new ComponentCustomizer() {
            @Override
            public void customize(org.lastaflute.di.core.ComponentDef componentDef) {
                // Second mock implementation
            }
        };

        // Set first customizer

        // When
        DfFinalTimeZoneProvider provider = curtainBeforeHook.createFinalTimeZoneProvider();

        // Then
        TimeZone first = provider.provide();
        TimeZone second = provider.provide();
        assertSame(first, second, "Provider should return the same TimeZone instance");
    }

    @Test
    public void test_createFinalTimeZoneProvider_toStringContainsTimeZoneId() {
        // When