import com.google.common.annotations.J2ktIncompatible;
import com.google.errorprone.annotations.CanIgnoreReturnValue;
import com.google.errorprone.annotations.DoNotCall;
import com.google.errorprone.annotations.concurrent.LazyInit;
import java.io.InvalidObjectException;
import java.io.ObjectInputStream;
import java.io.Serializable;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;

        assertEquals(user2, chain.deleteCalls.get(0));
        assertEquals("user3", chain.changePasswordCalls.get(0).getKey());
        assertEquals(user1, chain.loadCalls.get(0));
    }

    // Test concurrent operations simulation
    @Test
    public void test_implementation_sequentialOperations() {
        TestAuthenticationChain chain = new TestAuthenticationChain();
        List<User> users = new ArrayList<>();

            } else {
                System.clearProperty(Constants.FESS_SEARCH_ENGINE_HTTP_ADDRESS);
            }
        }
    }

    @Test
    public void test_thread_safety() {
        // Test concurrent access to the method
        String originalValue = System.getProperty(Constants.FESS_SEARCH_ENGINE_HTTP_ADDRESS);

        try {
            System.setProperty(Constants.FESS_SEARCH_ENGINE_HTTP_ADDRESS, "thread-test");

|:-----------------------------------------------|:--------------------------------------------------------------------------------------------------------------------------------------------|
| `minio_notify_current_send_in_progress`        | Number of concurrent async Send calls active to all targets (deprecated, please use `minio_notify_target_current_send_in_progress` instead) |

     */
    int getPid();

    /**
     *
     * Property {@code jcifs.smb.client.maxMpxCount} (int, default 10)
     *
     * @return maximum count of concurrent commands to announce
     */
    int getMaxMpxCount();

    /**
     *
     * Property {@code jcifs.smb.client.signingPreferred} (boolean, default false)
     *

        assertEquals(0, transPeekNamedPipe.writeParametersWireFormat(buffer, 10));
        assertEquals(0, transPeekNamedPipe.writeDataWireFormat(buffer, 20));
    }

    @Test
    @DisplayName("Should handle concurrent access to toString")
    void testToStringConcurrency() throws InterruptedException {
        // Arrange
        transPeekNamedPipe = new TransPeekNamedPipe(mockConfig, TEST_PIPE_NAME, TEST_FID);

		if strptr != nil {
			res = append(res, pathJoin(prefix, name, *strptr))
		}
		return true
	})
	return res
}

// activeDrives returns the number of currently active disks.
// (since this is concurrent it may not be 100% reliable)
func (p *scannerMetrics) activeDrives() int {
	var i int
	p.currentPaths.Range(func(k, v any) bool {
		i++
		return true
	})
	return i
}

import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.LinkedBlockingQueue;

import org.codelibs.core.misc.Tuple3;
import org.codelibs.fess.Constants;
import org.codelibs.fess.exception.FessSystemException;
import org.codelibs.fess.unit.UnitFessTestCase;

 * while adding a new pair.
 *
 * <p>This class is not threadsafe when any concurrent operations update the multimap, even if the
 * underlying map and {@link #createCollection()} method return threadsafe classes. Concurrent read
 * operations will work correctly. To allow concurrent update operations, wrap your multimap with a
 * call to {@link Multimaps#synchronizedMultimap}.
 *

            int bytesRead = response.readBytesWireFormat(buffer, bufferIndex);

            // Then
            assertEquals(4, bytesRead);
        }

        @Test
        @DisplayName("Should handle concurrent access safely")
        void testConcurrentAccess() throws InterruptedException {
            // Given
            int threadCount = 10;
            Thread[] threads = new Thread[threadCount];