* Callback interface for handling index update operations during data store processing.
 * This interface provides methods for storing documents, tracking processing metrics,
 * and committing changes to the search index.
 */
public interface IndexUpdateCallback {

    /**
     * Stores a document in the search index with the specified parameters and data.
     *
     * @param paramMap the data store parameters containing configuration and metadata

				ModTime:   timeSentinel1970,
			}, nil
		}
		inData = xlMeta.data
		fi, err = xlMeta.ToFileInfo(volume, path, versionID, opts.InclFreeVersions, true)
	}
	if !opts.Data || err != nil {
		return fi, err
	}
	versionID = fi.VersionID
	if versionID == "" {
		versionID = nullVersionID
	}

	fi.Data = inData.find(versionID)
	if len(fi.Data) == 0 {
		// PR #11758 used DataDir, preserve it

        }
        resultData.setEncoding(fessConfig.getCrawlerCrawlingDataEncoding());

        return resultData;
    }

    /**
     * Generate the data.
     * @param responseData The response data.
     * @return The data.
     */
    protected Map<String, Object> generateData(final ResponseData responseData) {
        final CrawlingConfigHelper crawlingConfigHelper = ComponentUtil.getCrawlingConfigHelper();

    void testReadWireFormat() throws IOException {
        byte[] data = new byte[50];
        data[0] = (byte) 0x85; // SESSION_KEEP_ALIVE
        data[1] = 0x00;
        data[2] = 0x00;
        data[3] = 0x0A; // Length = 10

        ByteArrayInputStream bais = new ByteArrayInputStream(data);

        int totalRead = packet.readWireFormat(bais, data, 0);

        assertEquals(14, totalRead); // 4 header + 10 trailer

     */
    public static final int MsvAvChannelBindings = 0x0A;

    private final int type;
    private final byte[] raw;

    /**
     * Constructs an AV pair with type and raw data
     * @param type the AV pair type
     * @param raw the raw data bytes
     */
    public AvPair(final int type, final byte[] raw) {
        this.type = type;
        this.raw = raw;
    }

    /**
     * Gets the AV pair type

 * entire "chunk" (of implementation-dependent length) is ready to be hashed.
 *
 * @author Kevin Bourrillion
 * @author Dimitris Andreou
 */
// TODO(kevinb): this class still needs some design-and-document-for-inheritance love
abstract class AbstractStreamingHasher extends AbstractHasher {
  /** Buffer via which we pass data to the hash algorithm (the implementor) */

func newTestReaderEOF(data []byte) io.Reader {
	return &testOneByteReadEOF{false, data}
}

// OneByteReadEOF - implements io.Reader which returns 1 byte along with io.EOF error.
type testOneByteReadEOF struct {
	eof  bool
	data []byte
}

func (r *testOneByteReadEOF) Read(p []byte) (n int, err error) {
	if r.eof {
		return 0, io.EOF
	}
	n = copy(p, r.data)
	r.eof = true
	return n, io.EOF
}

        // Create a mock DfsReferralData object
        DfsReferralData mockData = mock(DfsReferralData.class);

        // Create a DfsReferral instance with the mock data
        DfsReferral dfsReferral = new DfsReferral(mockData);

        // Verify that getData() returns the same mock data object
        assertEquals(mockData, dfsReferral.getData(), "getData() should return the DfsReferralData object passed to the constructor.");
    }

    /**

    assertSip("abcdef", 0x2a6e77e733c7c05dL);
    assertSip("SipHash", 0x8325093242a96f60L);
  }

  // Test for common pitfall regarding sign extension.
  // For example: (long) data[i++] | (long) data[i++] << 8 | ...
  // If data[i] == (byte) 0x80, the first cast will sign-extend it to 0xffffffffffffff80,
  // masking the remaining seven bytes.
  // To test this, we give an input where bit 7 is not cleared. For example:

 * <p>
 * The caching system supports different retention periods through {@link org.apache.maven.api.cache.CacheRetention}:
 * <ul>
 *   <li>PERSISTENT - Data persists across Maven invocations</li>
 *   <li>SESSION_SCOPED - Data retained for the duration of a Maven session</li>
 *   <li>REQUEST_SCOPED - Data retained only for the current build request</li>
 *   <li>DISABLED - No caching performed</li>
 * </ul>
 * <p>
 * Example usage:
 * <pre>