"S3 endpoint is blank. Please set the S3_ENDPOINT environment variable or endpoint parameter.");
        }
        final String accessKey = getInitParameter("accessKey", null, String.class);
        if (StringUtil.isBlank(accessKey)) {
            throw new CrawlingAccessException(
                    "S3 access key is blank. Please set the S3_ACCESS_KEY environment variable or accessKey parameter.");

     */
    public void addFailure(final Throwable t) {
        failures.add(t);
    }

    /**
     * Checks if there are any failures recorded.
     *
     * @return true if there is at least one failure, false otherwise
     */
    public boolean hasFailure() {
        return !failures.isEmpty();
    }

    /**
     * Returns the list of failures.
     *

4. See error

**Expected behavior**
A clear and concise description of what you expected to happen.

**Screenshots**
If applicable, add screenshots to help explain your problem.

**Environment (please complete the following information):**
 - OS: [e.g. Windows 10]
 - Version [e.g. 3.5.0]

**Additional context**

     */
    boolean isValid();

    /**
     * Closes this file handle and optionally sets the last write time
     *
     * @param lastWriteTime the last write time to set, or 0 to leave unchanged
     * @throws CIFSException if an error occurs while closing the file
     */
    void close(long lastWriteTime) throws CIFSException;

    /**
     * {@inheritDoc}
     *

            throw new UnsupportedOperationException();
        }
        return this.dialect;
    }

    /**
     * Check if this dialect version is at least the specified version
     *
     * @param v the version to compare against
     * @return whether this version is a least the given one
     */
    public boolean atLeast(final DialectVersion v) {
        return ordinal() >= v.ordinal();
    }

    /**

    void testCodesArrayExistence() {
        assertNotNull(DosError.DOS_ERROR_CODES, "DOS_ERROR_CODES should be non‑null");
        assertTrue(DosError.DOS_ERROR_CODES.length > 0, "DOS_ERROR_CODES should contain at least one mapping");
    }

    @Test
    @DisplayName("Each error code mapping contains exactly two ints")
    void testEachPairLength() {
        for (int i = 0; i < DosError.DOS_ERROR_CODES.length; i++) {

4. See error

**Expected behavior**
A clear and concise description of what you expected to happen.

**Screenshots**
If applicable, add screenshots to help explain your problem.

**Environment (please complete the following information):**
 - OS: [e.g. Windows 10]
 - Version [e.g. 13.5.0]

**Additional context**

 * <p>
 * <strong>Thread-Safety:</strong> This class is <strong>NOT thread-safe</strong>.
 * It extends {@link LinkedHashMap} without synchronization. If multiple threads access
 * an instance concurrently, and at least one thread modifies the map structurally,
 * it must be synchronized externally.
 * </p>
 * <p>
 * For thread-safe usage, wrap with {@link java.util.Collections#synchronizedMap(Map)}:
 * </p>
 * <pre>

 */
public enum LoadBalancingStrategy {
    /**
     * Round-robin selection through available channels
     */
    ROUND_ROBIN,

    /**
     * Select the least busy channel based on pending operations
     */
    LEAST_LOADED,

    /**
     * Weighted random selection based on channel scores
     */
    WEIGHTED_RANDOM,

    /**

            }
        }

        log.warn("No RDMA providers available");
        return null;
    }

    /**
     * Check if any RDMA provider is available
     *
     * @return true if at least one RDMA provider is available
     */
    public static boolean isRdmaAvailable() {
        return selectBestProvider() != null;
    }

    /**
     * Get list of all available RDMA providers
     *