}
```

## 4. Data Structures

### 4.1 RDMA Connection
```java
package jcifs.internal.smb2.rdma;

import java.nio.ByteBuffer;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.atomic.AtomicInteger;

public abstract class RdmaConnection implements AutoCloseable {
    protected final InetSocketAddress remoteAddress;

     */
    @Required
    @Size(max = 1000)
    public String id;

    /**
     * The version number of the scheduler for optimistic locking.
     * This field is required to prevent concurrent modification conflicts
     * by ensuring the scheduler hasn't been modified by another process.
     */
    @Required
    @ValidateTypeFailure
    public Integer versionNo;

 * the License.
 */

package com.google.common.cache;

import com.google.common.annotations.GwtCompatible;
import com.google.common.base.Supplier;
import java.util.concurrent.atomic.AtomicLong;

/**
 * Source of {@link LongAddable} objects that deals with GWT, Unsafe, and all that.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
final class LongAddables {

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common.util.concurrent;

import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Test for {@link ForwardingBlockingDeque}
 *
 * @author Emily Soldal
 */
@NullUnmarked

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common.util.concurrent;

import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/** Unit tests for {@link ForwardingListeningExecutorService} */
@NullUnmarked

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common.util.concurrent;

import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for {@link Monitor}'s uninterruptible methods.
 *
 * @author Justin T. Sampson
 */
@NullUnmarked

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.job;

import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;

import org.codelibs.fess.job.JobExecutor.ShutdownListener;
import org.codelibs.fess.unit.UnitFessTestCase;

public class JobExecutorTest extends UnitFessTestCase {

import assertk.assertions.isEmpty
import assertk.assertions.isEqualTo
import assertk.assertions.isNull
import assertk.assertions.isSameAs
import java.io.IOException
import java.util.concurrent.LinkedBlockingQueue
import java.util.concurrent.TimeUnit
import okhttp3.Response
import okhttp3.WebSocket
import okhttp3.WebSocketListener
import okhttp3.internal.platform.Platform
import okio.ByteString

class WebSocketRecorder(

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common.util.concurrent;

import com.google.common.annotations.GwtCompatible;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit tests for {@link Runnables}.
 *
 * @author Olivier Pernet

import java.util.Iterator;
import java.util.NoSuchElementException;
import java.util.PriorityQueue;
import java.util.Queue;
import java.util.SortedSet;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.TimeUnit;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**