return FluentIterable.from(ImmutableList.<Number>of());
  }

  /*
   * The following tests demonstrate the shortcomings of or() and test that the casting workaround
   * mentioned in the method Javadoc does in fact compile.
   */

  @SuppressWarnings("unused") // compilation test
  public void testSampleCodeError1() {
    Optional<Integer> optionalInt = getSomeOptionalInt();

    /**
     * Creates a new LogHelperImpl instance.
     */
    public LogHelperImpl() {
        super();
    }

    /*
     * (non-Javadoc)
     *
     * @see org.codelibs.fess.crawler.helper.LogHelper#log(org.codelibs.fess.crawler.log.LogType,
     * java.lang.Object)
     */
    @Override
    public void log(final LogType key, final Object... objs) {

				<groupId>org.jacoco</groupId>
				<artifactId>jacoco-maven-plugin</artifactId>
			</plugin>
			<plugin>
				<artifactId>maven-deploy-plugin</artifactId>
			</plugin>
			<plugin>
				<artifactId>maven-javadoc-plugin</artifactId>
			</plugin>
			<plugin>
				<artifactId>maven-jar-plugin</artifactId>
				<configuration>
					<archive>
						<manifestEntries>

9. Open a Pull Request

### Code Style

- Use Eclipse formatter configuration (`src/config/eclipse/formatter/java.xml`)
- Follow existing naming conventions
- Add comprehensive JavaDoc for public APIs
- Write unit and integration tests

## License

    protected Properties mailProperties = new Properties();

    /**
     * Constructs a new EmlExtractor.
     */
    public EmlExtractor() {
        // Default constructor
    }

    /* (non-Javadoc)
     * @see org.codelibs.robot.extractor.Extractor#getText(java.io.InputStream, java.util.Map)
     */
    @Override
    public ExtractData getText(final InputStream in, final Map<String, String> params) {

				<version>3.14.0</version>
				<configuration>
					<source>17</source>
					<target>17</target>
					<encoding>UTF-8</encoding>
				</configuration>
			</plugin>
			<plugin>
				<artifactId>maven-javadoc-plugin</artifactId>
				<version>3.11.2</version>
				<configuration>
					<encoding>UTF-8</encoding>
					<docencoding>UTF-8</docencoding>
					<charset>UTF-8</charset>
					<source>17</source>
				</configuration>

            + " Jelly Bean. You can create one yourself, either in the insecure default directory"
            + " or in a more secure directory, such as context.getCacheDir(). For more information,"
            + " see the Javadoc for Files.createTempDir().";

    @Override
    File createTempDir() {
      throw new IllegalStateException(MESSAGE);
    }

    @Override
    File createTempFile(String prefix) throws IOException {

    protected boolean isDaemonThread = false;

    /**
     * Creates a new PdfExtractor instance.
     */
    public PdfExtractor() {
        super();
    }

    /*
     * (non-Javadoc)
     *
     * @see org.codelibs.fess.crawler.extractor.Extractor#getText(java.io.InputStream,
     * java.util.Map)
     */
    @Override

7. **Submit** a Pull Request with detailed description

### Code Standards
- Follow the project's Eclipse formatter configuration
- Add Apache License 2.0 headers to new files: `mvn license:format`
- Maintain comprehensive JavaDoc documentation
- Write thorough unit tests with good coverage
- Follow existing naming conventions and patterns

## 📄 License

    /**
     * Returns an immutable collection of attached artifacts for the given project.
     * Attached artifacts are secondary artifacts produced during the build (e.g., sources jar,
     * javadoc jar, test jars). These artifacts are created and attached during specific
     * lifecycle phases, so the collection contents depend on the build phase when this method
     * is called.
     *