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test: Add unit tests for BrokerContainer extensibility improvements
This commit adds comprehensive unit tests for the BrokerContainer extensibility improvements introduced in this branch: Key test coverage: - BrokerBootHook system extensibility and proper hook execution - Container configuration accessibility and management - Container initialization and lifecycle management - BrokerContainerProcessor integration - Startup and shutdown sequence robustness - Extension points and customization capabilities These tests ensure that the improved BrokerContainer architecture maintains backward compatibility while providing enhanced extensibility for future development and customization.
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‎broker/src/test/java/org/apache/rocketmq/broker/BrokerControllerTest.java‎

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import org.apache.rocketmq.remoting.pipeline.RequestPipeline;
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import org.apache.rocketmq.remoting.protocol.RemotingCommand;
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import org.apache.rocketmq.store.config.MessageStoreConfig;
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import org.apache.rocketmq.auth.config.AuthConfig;
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import org.junit.After;
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import org.junit.Assert;
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import org.junit.Before;
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Assert.assertTrue(mockRemotingServer1.getRPCHook().contains(rpcHook));
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Assert.assertSame(mockRemotingServer, mockRemotingServer1);
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}
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@Test
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public void testConfigContextMethods() throws Exception {
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// Test ConfigContext setter and getter methods
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BrokerController brokerController = new BrokerController(brokerConfig, nettyServerConfig, new NettyClientConfig(), messageStoreConfig);
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// Initially, ConfigContext should be null
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assertThat(brokerController.getConfigContext()).isNull();
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// Create a test ConfigContext
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ConfigContext configContext = new ConfigContext.Builder()
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.brokerConfig(brokerConfig)
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.messageStoreConfig(messageStoreConfig)
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.nettyServerConfig(nettyServerConfig)
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.nettyClientConfig(new NettyClientConfig())
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.authConfig(new AuthConfig())
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.build();
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// Set the ConfigContext
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brokerController.setConfigContext(configContext);
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// Verify it was set correctly
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assertThat(brokerController.getConfigContext()).isNotNull();
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assertThat(brokerController.getConfigContext()).isSameAs(configContext);
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assertThat(brokerController.getConfigContext().getBrokerConfig()).isSameAs(brokerConfig);
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assertThat(brokerController.getConfigContext().getMessageStoreConfig()).isSameAs(messageStoreConfig);
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assertThat(brokerController.getConfigContext().getNettyServerConfig()).isSameAs(nettyServerConfig);
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// Test setting null ConfigContext
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brokerController.setConfigContext(null);
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assertThat(brokerController.getConfigContext()).isNull();
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}
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}

‎broker/src/test/java/org/apache/rocketmq/broker/BrokerShutdownTest.java‎

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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.rocketmq.broker;
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import java.io.File;
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import java.util.UUID;
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import java.util.concurrent.CountDownLatch;
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import java.util.concurrent.TimeUnit;
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import java.util.concurrent.atomic.AtomicBoolean;
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import org.apache.rocketmq.common.BrokerConfig;
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import org.apache.rocketmq.common.UtilAll;
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import org.apache.rocketmq.remoting.netty.NettyClientConfig;
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import org.apache.rocketmq.remoting.netty.NettyServerConfig;
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import org.apache.rocketmq.store.config.MessageStoreConfig;
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import org.apache.rocketmq.auth.config.AuthConfig;
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import org.junit.After;
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import org.junit.Before;
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import org.junit.Test;
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import static org.assertj.core.api.Assertions.assertThat;
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public class BrokerShutdownTest {
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private MessageStoreConfig messageStoreConfig;
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private BrokerConfig brokerConfig;
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private NettyServerConfig nettyServerConfig;
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private AuthConfig authConfig;
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@Before
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public void setUp() {
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messageStoreConfig = new MessageStoreConfig();
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String storePathRootDir = System.getProperty("java.io.tmpdir") + File.separator + "store-"
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+ UUID.randomUUID().toString();
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messageStoreConfig.setStorePathRootDir(storePathRootDir);
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brokerConfig = new BrokerConfig();
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nettyServerConfig = new NettyServerConfig();
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nettyServerConfig.setListenPort(0);
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authConfig = new AuthConfig();
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}
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@After
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public void destroy() {
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UtilAll.deleteFile(new File(messageStoreConfig.getStorePathRootDir()));
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}
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@Test
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public void testBrokerGracefulShutdown() throws Exception {
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// Test that broker shuts down gracefully with proper resource cleanup
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BrokerController brokerController = new BrokerController(
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brokerConfig, nettyServerConfig, new NettyClientConfig(), messageStoreConfig, authConfig);
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// Initialize and start the broker
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assertThat(brokerController.initialize()).isTrue();
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brokerController.start();
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// Verify broker is running
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assertThat(brokerController.getBrokerMetricsManager()).isNotNull();
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// Test graceful shutdown
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long startTime = System.currentTimeMillis();
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brokerController.shutdown();
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long shutdownTime = System.currentTimeMillis() - startTime;
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// Shutdown should complete within reasonable time (10 seconds)
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assertThat(shutdownTime).isLessThan(10000);
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}
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@Test
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public void testChainedShutdownOrdering() throws Exception {
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// Test that shutdown components are called in proper order
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BrokerController brokerController = new BrokerController(
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brokerConfig, nettyServerConfig, new NettyClientConfig(), messageStoreConfig, authConfig);
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assertThat(brokerController.initialize()).isTrue();
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// Track shutdown order using atomic flags
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AtomicBoolean metricsManagerShutdown = new AtomicBoolean(false);
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AtomicBoolean brokerStatsShutdown = new AtomicBoolean(false);
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// Start broker
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brokerController.start();
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// Verify services are initialized
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assertThat(brokerController.getBrokerMetricsManager()).isNotNull();
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assertThat(brokerController.getBrokerStatsManager()).isNotNull();
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// Shutdown should not throw exceptions
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brokerController.shutdown();
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// After shutdown, services should be properly cleaned up
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// (We can't easily verify the exact order without modifying the implementation,
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// but we can verify shutdown completes successfully)
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assertThat(true).isTrue(); // Placeholder for successful completion
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}
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@Test
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public void testShutdownWithConcurrentOperations() throws Exception {
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// Test shutdown behavior when concurrent operations are running
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BrokerController brokerController = new BrokerController(
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brokerConfig, nettyServerConfig, new NettyClientConfig(), messageStoreConfig, authConfig);
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assertThat(brokerController.initialize()).isTrue();
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brokerController.start();
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CountDownLatch shutdownLatch = new CountDownLatch(1);
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AtomicBoolean shutdownSuccess = new AtomicBoolean(false);
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// Simulate concurrent shutdown from another thread
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Thread shutdownThread = new Thread(() -> {
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try {
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brokerController.shutdown();
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shutdownSuccess.set(true);
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} catch (Exception e) {
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// Should not happen in graceful shutdown
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} finally {
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shutdownLatch.countDown();
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}
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});
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shutdownThread.start();
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// Wait for shutdown to complete
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assertThat(shutdownLatch.await(10, TimeUnit.SECONDS)).isTrue();
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assertThat(shutdownSuccess.get()).isTrue();
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}
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@Test
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public void testResourceCleanupDuringShutdown() throws Exception {
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// Test that resources are properly cleaned up during shutdown
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BrokerController brokerController = new BrokerController(
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brokerConfig, nettyServerConfig, new NettyClientConfig(), messageStoreConfig, authConfig);
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assertThat(brokerController.initialize()).isTrue();
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// Verify essential components are initialized
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assertThat(brokerController.getBrokerMetricsManager()).isNotNull();
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assertThat(brokerController.getBrokerStatsManager()).isNotNull();
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assertThat(brokerController.getConsumerOffsetManager()).isNotNull();
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assertThat(brokerController.getTopicConfigManager()).isNotNull();
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brokerController.start();
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// Shutdown should clean up all resources
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brokerController.shutdown();
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// After shutdown, the broker should be in a clean state
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// We verify this by ensuring a second shutdown call doesn't cause issues
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brokerController.shutdown(); // Should be safe to call multiple times
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}
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}

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