K extends @Nullable Object, V extends @Nullable Object>
    implements TestSetGenerator<Map.Entry<K, V>> {
  private final SampleElements<K> keys;
  private final SampleElements<V> values;

  protected TestMapEntrySetGenerator(SampleElements<K> keys, SampleElements<V> values) {
    this.keys = keys;
    this.values = values;
  }

  @Override
  public SampleElements<Entry<K, V>> samples() {

/**
 * Utility class for conversions related to {@link BigDecimal}.
 *
 * @author higa
 */
public abstract class BigDecimalConversionUtil {

    /**
     * Do not instantiate.
     */
    protected BigDecimalConversionUtil() {
    }

    /**
     * Converts to {@link BigDecimal}.
     *
     * @param o
     *            The object to convert
     * @return The converted {@link BigDecimal}
     */

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)`

 * </p>
 *
 * @author higa
 * @see BeanDesc
 * @see DisposableUtil
 */
public abstract class BeanDescFactory {

    /**
     * Do not instantiate.
     */
    protected BeanDescFactory() {
    }

    /** True if initialized */
    private static volatile boolean initialized;

    /** Cache of {@link BeanDesc} */

        this.ntHash = passwordHash;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.smb.NtlmPasswordAuthenticator#getNTHash()
     */
    @Override
    protected byte[] getNTHash() {
        return this.ntHash;
    }

    @Override
    public NtlmPasswordAuthenticator clone() {
        final NtlmNtHashAuthenticator cloned = new NtlmNtHashAuthenticator(this.ntHash.clone());

            Artifact artifact, ArtifactRepository remoteRepository, ArtifactRepository localRepository) {
        // metadata is added via addPluginArtifactMetadata
    }

    @Override
    protected String constructVersion(Versioning versioning, String baseVersion) {
        return versioning.getLatest();
    }

import org.apache.maven.api.model.Profile;
import org.apache.maven.model.building.ModelProblemCollector;
import org.apache.maven.model.profile.ProfileActivationContext;

/**
 * Determines profile activation based on the project's packaging.
 *
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Named("packaging")
@Singleton
@Deprecated(since = "4.0.0")

        token_url, data=data, verify=False,
        allow_redirects=False, auth=(client_id, client_secret))

    print('body: ' + id_token_response.text)

    # we can now use the id_token as much as we want to access protected resources.
    tokens = json.loads(id_token_response.text)
    id_token = tokens['id_token']

    response = sts_client.assume_role_with_web_identity(
        RoleArn='arn:aws:iam::123456789012:user/svc-internal-api',

under the License.
-->

<project>
  <parent>
    <artifactId>p4</artifactId>
    <groupId>maven.t02</groupId>
    <version>1.0</version>
  </parent>
  <modelVersion>4.0.0</modelVersion>
  <groupId>maven.t02</groupId>
  <artifactId>p5</artifactId>
  <packaging>jar</packaging>
  <name>p5</name>
  <version>1.0</version>

under the License.
-->

<project>
  <modelVersion>4.0.0</modelVersion>
  <artifactId>foo</artifactId>
  <groupId>bar</groupId>
  <version>1.0</version>
  <packaging>pack</packaging>
  <build>
    <plugins>
      <plugin>
        <artifactId>maven-it-plugin</artifactId>
        <version></version>
      </plugin>
    </plugins>
  </build>