},
        "danish_keywords": {
          "type":       "keyword_marker",
          "keywords": ["Hej", "verden", "Søg"]
        },

        },
        "danish_keywords": {
          "type":       "keyword_marker",
          "keywords": ["Hej", "verden", "Søg"]
        },

        }

        // Verify alive is false
        assertFalse("alive should be false after all stop() calls", dataStore.alive);
    }

    /**
     * Test that multiple threads can safely read alive field while one writes.
     */
    @Test
    public void test_aliveField_concurrentReadWrite() throws Exception {
        dataStore.alive = true;

        final int readerCount = 5;

        // Wait for completion with longer timeout
        indexUpdater.join(3000);

        assertFalse(errorOccurred.get());
        // Thread may still be alive in test environment, just check no errors
        // // Thread may still be alive in test environment
        // assertFalse(indexUpdater.isAlive());
    }

    // Test updateDocument with boost matcher
    @Test

				<div class="card shadow-sm">
					<div class="card-header d-flex justify-content-between align-items-center">
						<div id="statusArea" class="status-lozenge status-ready" role="status" aria-live="polite">
							<i class="fa fa-robot me-1" aria-hidden="true"></i>
							<span class="status-text"><la:message key="labels.chat_status_ready" /></span>
						</div>
						<div class="d-flex gap-2">

        ComponentUtil.setFessConfig(fessConfig);

        // Execute
        String result = pingSearchEngineJob.execute();

        // Assert
        assertEquals("test-cluster is alive.", result);
    }

    // Test RED status with state change
    @Test
    public void test_execute_redStatusNoChange() {
        // Setup mock components

        response.setContentType("text/event-stream");
        response.setCharacterEncoding("UTF-8");
        response.setHeader("Cache-Control", "no-cache");
        response.setHeader("Connection", "keep-alive");
        response.setHeader("X-Accel-Buffering", "no"); // Disable nginx buffering

        try (final PrintWriter writer = response.getWriter()) {
            final String userId = getUserId(request);

     * comment: Time-to-live (ms) for operation lock documents.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getCoordinatorOperationTtl();

    /**
     * Get the value for the key 'coordinator.operation.ttl' as {@link Integer}. <br>
     * The value is, e.g. 7200000 <br>
     * comment: Time-to-live (ms) for operation lock documents.