import okio.use

// TODO: migrate callers to [Regex.matchAt] when that API is not experimental.
internal fun Regex.matchAtPolyfill(
  input: CharSequence,
  index: Int,
): MatchResult? {
  val candidate = find(input, index) ?: return null
  if (candidate.range.first != index) return null // Didn't match where it should have.
  return candidate
}

@JvmField
val EMPTY_BYTE_ARRAY: ByteArray = ByteArray(0)

/** Byte order marks. */

 * 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.indexer;

import java.util.Map;

import org.codelibs.fess.Constants;
import org.codelibs.fess.es.config.exentity.BoostDocumentRule;
import org.codelibs.fess.util.ComponentUtil;

public class DocBoostMatcher {

   * and ABSENT for empty positions.  We then look up the keys in alternatingKeysAndValues.
   *
   * (The index actually stored is the index of the key in alternatingKeysAndValues, which is
   * double the index of the entry in entrySet.asList.)
   *
   * The basic data structure is described in https://en.wikipedia.org/wiki/Open_addressing.

import org.codelibs.fess.es.config.exentity.CrawlingConfig.Param.Config;
import org.codelibs.fess.es.config.exentity.FileConfig;
import org.codelibs.fess.es.config.exentity.WebConfig;
import org.codelibs.fess.indexer.IndexUpdater;
import org.codelibs.fess.util.ComponentUtil;

public class WebFsIndexHelper {

    private static final Logger logger = LogManager.getLogger(WebFsIndexHelper.class);

   * limits.
   */
  fun encode(string: String): String? {
    var pos = 0
    val limit = string.length
    val result = Buffer()

    while (pos < limit) {
      var dot = string.indexOf('.', startIndex = pos)
      if (dot == -1) dot = limit

      if (!encodeLabel(string, pos, dot, result)) {
        // If we couldn't encode the label, give up.
        return null
      }

        return ComponentUtil.getComponent(CrawlingInfoService.class);
    }

    public String getCanonicalSessionId(final String sessionId) {
        final int idx = sessionId.indexOf('-');
        if (idx >= 0) {
            return sessionId.substring(0, idx);
        }
        return sessionId;
    }

    public synchronized void store(final String sessionId, final boolean create) {

                    List<String> order = new ArrayList<>();
                    for (String s : insertionOrder) {
                      int index = order.indexOf(s);
                      if (index == -1) {
                        order.add(s);
                      } else {
                        order.add(index, s);
                      }
                    }
                    return order;
                  }
                })

    // Here we know that:
    // * (to < from) and that both are valid indices.
    // * Everything with (index < to) should be kept.
    // * Everything with (to <= index < from) should be removed.
    // * The element with (index == from) should be kept.
    // * Everything with (index > from) has not been checked yet.

    // Check from the end of the list backwards (minimize expected cost of

                .getHandle("ncacn_np:" + getTestServer() + "[\\PIPE\\lsarpc]", withTestNTLMCredentials(getContext())) ) {
            String server = handle.getServerWithDfs();
            int dot = server.indexOf('.');
            if ( dot > 0 && Character.isDigit(server.charAt(0)) == false )
                server = server.substring(0, dot);

	HasConstraint(dst interface{}, name string) bool

	// Indexes
	CreateIndex(dst interface{}, name string) error
	DropIndex(dst interface{}, name string) error
	HasIndex(dst interface{}, name string) bool
	RenameIndex(dst interface{}, oldName, newName string) error
	GetIndexes(dst interface{}) ([]Index, error)