// Fail 3 times to open circuit
        for (int i = 0; i < 3; i++) {
            final int index = i;
            try {
                circuitBreaker.executeWithCircuitBreaker(() -> {
                    throw new RuntimeException("Test failure " + index);
                });
                fail("Should have thrown exception");
            } catch (CIFSException e) {
                // Expected

   * Out-of-range indexes return false.
   */
  @VisibleForTesting
  static boolean validSurrogatePairAt(CharSequence string, int index) {
    return index >= 0
        && index <= (string.length() - 2)
        && Character.isHighSurrogate(string.charAt(index))
        && Character.isLowSurrogate(string.charAt(index + 1));
  }

  /**

          },
          "updatedTime" : {
            "type" : "long"
          },
          "value" : {
            "type" : "keyword"
          }
        }
      }
    },
    "settings" : {
      "index" : {
        "creation_date" : "1509021056731",
        "number_of_shards" : "5",
        "number_of_replicas" : "1",
        "uuid" : "MnnT8tsrT5GqpB8pYafyWg",
        "version" : {
          "created" : "6000051"

          },
          "threadName" : {
            "type" : "keyword"
          },
          "url" : {
            "type" : "keyword"
          }
        }
      }
    },
    "settings" : {
      "index" : {
        "creation_date" : "1509021052830",
        "number_of_shards" : "5",
        "number_of_replicas" : "1",
        "uuid" : "WskRnE71Qsas-ki_GN3RSg",
        "version" : {
          "created" : "6000051"

     */
    long lastAccess();

    /**
     * Gets the file size.
     *
     * @return the file size in bytes
     */
    long length();

    /**
     * Gets the file index.
     *
     * @return the file index inside the parent directory
     */
    int getFileIndex();

     * @param message The detail message of the problem, may be {@code null}.
     * @param line The one-based index of the line containing the problem or {@code -1} if unknown.
     * @param column The one-based index of the column containing the problem or {@code -1} if unknown.
     * @param cause The cause of the problem, may be {@code null}.
     */

        assertEscapePattern("", "# Test");
        assertEscapePattern(".*\\Q!/\\E.*", "!/");
        assertEscapePattern("\\Qindex.html\\E", "index.html");
        assertEscapePattern("^\\Qhttp://\\E.*", "^http://");
        assertEscapePattern(".*\\Qindex.html\\E$", "index.html$");
        assertEscapePattern("^\\Qhttp://www.codelibs.org/page.html\\E$", "^http://www.codelibs.org/page.html$");

  @Override
  public ImmutableList<V> asList() {
    ImmutableList<Entry<K, V>> entryList = map.entrySet().asList();
    return new ImmutableAsList<V>() {
      @Override
      public V get(int index) {
        return entryList.get(index).getValue();
      }

      @Override
      ImmutableCollection<V> delegateCollection() {
        return ImmutableMapValues.this;
      }

      // redeclare to help optimizers with b/310253115

          },
          "updatedTime" : {
            "type" : "long"
          },
          "username" : {
            "type" : "keyword"
          }
        }
      }
    },
    "settings" : {
      "index" : {
        "creation_date" : "1509021053135",
        "number_of_shards" : "5",
        "number_of_replicas" : "1",
        "uuid" : "-gono3d2R0KP5po-ggBr0A",
        "version" : {
          "created" : "6000051"

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.job;

import java.util.Collection;
import java.util.Map;
import java.util.Set;

/**
 * Formatter that outputs index documents as HTML files.
 */
public class HtmlIndexExportFormatter implements IndexExportFormatter {

    /**
     * Creates a new HtmlIndexExportFormatter instance.
     */
    public HtmlIndexExportFormatter() {