mvn license:format                    # Apply license headers
mvn verify                            # Generate coverage report
```

## Code Conventions

### Class Structure

- **Utility classes**: `abstract` class + `protected` constructor
- **Constants classes**: Same pattern

### Argument Validation

Use `AssertionUtil` at method entry:
- `AssertionUtil.assertArgumentNotNull("argName", value)`

 *
 */
public class AdminDictKuromojiAction extends FessAdminAction {

    /**
     * Default constructor.
     */
    public AdminDictKuromojiAction() {
        super();
    }

    /** The role for this action. */
    public static final String ROLE = "admin-dict";

    private static final Logger logger = LogManager.getLogger(AdminDictKuromojiAction.class);

    }

    @Test
    public void test_constructorWithThrowableCause_LinkageError() {
        // Test with LinkageError subclass
        String message = "SSO login class loading error";
        NoClassDefFoundError error = new NoClassDefFoundError("SSO provider class not found");
        SsoLoginException exception = new SsoLoginException(message, error);

        assertEquals(message, exception.getMessage());

import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/** Tests for {@link ExecutionSequencer} */
@NullUnmarked
@GwtIncompatible
@J2ktIncompatible
public class ExecutionSequencerTest extends TestCase {

  ExecutorService executor;

  private ExecutionSequencer serializer;
  private SettableFuture<@Nullable Void> firstFuture;
  private TestCallable firstCallable;

@DisplayName("LeaseManager Tests")
class LeaseManagerTest {

    private LeaseManager leaseManager;
    private CIFSContext mockContext;
    private Configuration mockConfig;

    @BeforeEach
    void setUp() {
        mockContext = mock(CIFSContext.class);
        mockConfig = mock(Configuration.class);
        when(mockContext.getConfig()).thenReturn(mockConfig);

 *
 * Returns hardcoded results for the known host.
 */
internal class BootstrapDns(
  private val dnsHostname: String,
  private val dnsServers: List<InetAddress>,
) : Dns {
  @Throws(UnknownHostException::class)
  override fun lookup(hostname: String): List<InetAddress> {
    if (this.dnsHostname != hostname) {
      throw UnknownHostException(

 * under the License.
 */
package org.apache.maven.api.services;

import org.apache.maven.api.annotations.Experimental;

/**
 * The Exception class thrown by {@link VersionParser}.
 *
 * @since 4.0.0
 */
@Experimental
public class VersionParserException extends MavenException {

    /**
     * @param message the message to give
     * @param e the {@link Exception}
     */

 * under the License.
 */
package org.apache.maven.lifecycle.internal;

/**
 * A task that is a lifecycle.
 * <p>
 * <strong>NOTE:</strong> This class is not part of any public api and can be changed or deleted without prior notice.
 *
 * @since 3.0
 */
public final class LifecycleTask extends Task {
    public LifecycleTask(String lifecyclePhase) {
        super(lifecyclePhase);
    }

from fastapi import Depends, FastAPI
from fastapi.testclient import TestClient
from inline_snapshot import snapshot

app = FastAPI()

T = TypeVar("T")

Dep = Annotated[T, Depends()]


class A:
    pass


class B:
    pass


@app.get("/a")
async def a(dep: Dep[A]):
    return {"cls": dep.__class__.__name__}


@app.get("/b")
async def b(dep: Dep[B]):
    return {"cls": dep.__class__.__name__}

 * iterator remains valid.
 *
 * <p>This class requires less memory than the {@link HashBasedTable} and {@link TreeBasedTable}
 * implementations, except when the table is sparse.
 *
 * <p>Null row keys or column keys are not permitted.
 *
 * <p>This class provides methods involving the underlying array structure, where the array indices