* underlying (implementation specific) data structures to be shared.
 *
 * <p>The size of the data structure used by ArrayBasedCharEscaper and ArrayBasedUnicodeEscaper is
 * proportional to the highest valued character that has a replacement. For example a replacement
 * map containing the single character '{@literal \}u1000' will require approximately 16K of memory.

 */
public interface SMBSigningDigest {

    /**
     * Performs MAC signing of the SMB. This is done as follows.
     * The signature field of the SMB is overwritten with the sequence number;
     * The MD5 digest of the MAC signing key + the entire SMB is taken;
     * The first 8 bytes of this are placed in the signature field.
     *
     * @param data
     *            The data.
     * @param offset

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.ingest;

import java.util.Arrays;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

/**
 * Factory class for managing and organizing document ingesters.

## Temas

 - [Simple](https://github.com/codelibs/fess-theme-simple)
 - [Classic](https://github.com/codelibs/fess-theme-classic)

## Ingestão

 - [Logger](https://github.com/codelibs/fess-ingest-logger)
 - [NDJSON](https://github.com/codelibs/fess-ingest-ndjson)

## Scripts

 - [Groovy](https://github.com/codelibs/fess-script-groovy)
 - [OGNL](https://github.com/codelibs/fess-script-ognl)

## Informações de Desenvolvimento

/**
 * Helper class for managing related query configurations.
 * This class provides functionality to load, cache, and retrieve related queries
 * based on search terms and virtual hosts. Related queries are used to suggest
 * alternative or supplementary search terms to improve search results.
 */
public class RelatedQueryHelper extends AbstractConfigHelper {
    private static final Logger logger = LogManager.getLogger(RelatedQueryHelper.class);

        this.fid = fid;
        this.offset = (int) (offset & 0xFFFFFFFFL);
        this.remaining = remaining;
        this.b = b;
        this.off = off;
        count = len;
        digest = null; /* otherwise recycled commands
                        * like writeandx will choke if session
                        * closes in between */
    }

    @Override

        return baos.toByteArray();
    }

    private byte[] calculateBindingHash(byte[] bindingInfo) throws IOException {
        try {
            MessageDigest digest = MessageDigest.getInstance("SHA-256");
            return digest.digest(bindingInfo);
        } catch (NoSuchAlgorithmException e) {
            throw new IOException("SHA-256 not available", e);
        }
    }

      "CONTINUATION",
    )

  /**
   * Lookup table for valid flags for DATA, HEADERS, CONTINUATION. Invalid combinations are
   * represented in binary.
   */
  private val FLAGS = arrayOfNulls<String>(0x40) // Highest bit flag is 0x20.
  private val BINARY =
    Array(256) {
      format("%8s", Integer.toBinaryString(it)).replace(' ', '0')
    }

  init {
    FLAGS[FLAG_NONE] = ""
    FLAGS[FLAG_END_STREAM] = "END_STREAM"

    MESSAGE_DIGEST_API() {
      @Override
      public byte[] hash(Algorithm algorithm, byte[] input) {
        MessageDigest md = algorithm.getMessageDigest();
        md.update(input);
        return md.digest();
      }
    },
    HASH_FUNCTION_DIRECT() {
      @Override
      public byte[] hash(Algorithm algorithm, byte[] input) {
        return algorithm.getHashFunction().hashBytes(input).asBytes();
      }
    },

    MESSAGE_DIGEST_API() {
      @Override
      public byte[] hash(Algorithm algorithm, byte[] input) {
        MessageDigest md = algorithm.getMessageDigest();
        md.update(input);
        return md.digest();
      }
    },
    HASH_FUNCTION_DIRECT() {
      @Override
      public byte[] hash(Algorithm algorithm, byte[] input) {
        return algorithm.getHashFunction().hashBytes(input).asBytes();
      }
    },