**Key Test Areas**:
- Improved error messages with encoding
- Various encoding support
- Edge cases (empty, large, Unicode)
- Special characters handling

**Test Count**: 12 tests

**Key Scenarios**:
- ✅ Default UTF-8 encoding extraction
- ✅ Custom encoding support
- ✅ Error messages include encoding information
- ✅ Large content handling
- ✅ Unicode and special characters
- ✅ Empty and whitespace-only content

---

     */
    protected OnDestroyListener<T> onDestroyListener;

    /**
     * Constructs a new CrawlerPooledObjectFactory.
     */
    public CrawlerPooledObjectFactory() {
        // Default constructor for DI
    }

    /**
     * Creates a new object instance from the crawler container.
     *
     * @return A new instance of the component specified by componentName

    //                                                                         Constructor
    //                                                                         ===========
    /**
     * Default constructor.
     */
    public ApiAdminRoleAction() {
        super();
    }

    // ===================================================================================

 * (GB, MB, kB) and using the patterns <code>#0.0</code> for numbers between 1 and 10
 * and <code>###0</code> for numbers between 10 and 1000+ by default.
 *
 * @see <a href="https://en.wikipedia.org/wiki/Metric_prefix">https://en.wikipedia.org/wiki/Metric_prefix</a>
 * @see <a href="https://en.wikipedia.org/wiki/Binary_prefix">https://en.wikipedia.org/wiki/Binary_prefix</a>

        // Local Repository
        //
        // 1. Use a value has been passed in via the configuration
        // 2. Use value in the resultant settings
        // 3. Use default value
        // ------------------------------------------------------------------------

        if (request.getLocalRepository() == null) {
            request.setLocalRepository(createLocalRepository(request));

	defer cancel()

	for {
		select {
		case <-retryCtx.Done():
			// Caller context canceled or we timedout,
			// return false anyways for both situations.
			return false
		default:
			if lm.lock(id, source, isWriteLock) {
				return true
			}
			time.Sleep(time.Duration(r.Float64() * float64(lockRetryInterval)))
		}
	}
}

// Unlock unlocks the write lock.
//

) {
    val stepName: String = if (isRetry) GRADLE_RETRY_RUNNER_STEP_NAME else GRADLE_RUNNER_STEP_NAME
    val stepExecutionMode: ExecutionMode = if (isRetry) ExecutionMode.RUN_ONLY_ON_FAILURE else ExecutionMode.DEFAULT
    val extraBuildScanTags: List<String> = if (isRetry) listOf("RetriedBuild") else emptyList()

    val buildScanTags = model.buildScanTags + listOfNotNull(stage?.id) + extraBuildScanTags
    val parameters =
        (

            assertArrayEquals(hashAlgos, context.getHashAlgos());
            assertArrayEquals(salt, context.getSalt());
        }

        @Test
        @DisplayName("Should create context with default constructor")
        void testDefaultConstructor() {
            context = new PreauthIntegrityNegotiateContext();

            assertEquals(PreauthIntegrityNegotiateContext.NEGO_CTX_PREAUTH_TYPE, context.getContextType());

 * </p>
 */
public class CrawlerContext {
    /**
     * Constructs a new CrawlerContext.
     */
    public CrawlerContext() {
        // Default constructor
    }

    /**
     * Session identifier for the crawling session.
     */
    protected String sessionId;

    /**
     * Current number of active crawler threads.
     */

import org.dbflute.utflute.core.PlainTestCase;

/**
 * Test class for {@link ExtractData}.
 */
public class ExtractDataTest extends PlainTestCase {

    public void test_defaultConstructor() {
        // Test default constructor
        ExtractData data = new ExtractData();
        assertNotNull(data);
        assertNull(data.getContent());
        assertNotNull(data.getKeySet());
        assertTrue(data.getKeySet().isEmpty());
    }