try (final InputStream in = bodyPart.getInputStream()) {
                        final Map<String, String> map = new HashMap<>();
                        map.put(ExtractData.RESOURCE_NAME_KEY, filename);
                        final String content = extractor.getText(in, map).getContent();
                        buf.append(content).append(' ');
                    } catch (final Exception e) {

    //                                                                   Map Communication
    //                                                                   =================
    @Override
    public void acceptPrimaryKeyMap(Entity entity, Map<String, ? extends Object> primaryKeyMap) {
    }

    @Override
    public void acceptAllColumnMap(Entity entity, Map<String, ? extends Object> allColumnMap) {
    }

    @Override

    //                                                                   Map Communication
    //                                                                   =================
    @Override
    public void acceptPrimaryKeyMap(Entity entity, Map<String, ? extends Object> primaryKeyMap) {
    }

    @Override
    public void acceptAllColumnMap(Entity entity, Map<String, ? extends Object> allColumnMap) {
    }

    @Override

    // to replace a bunch of one-off binary searches
    private static final Map<Integer, String> errorCodeMessages;
    private static final Map<Integer, String> winErrorCodeMessages;
    private static final Map<Integer, Integer> dosErrorCodeStatuses;

    static {
        final Map<Integer, String> errorCodeMessagesTmp = new HashMap<>();
        for (int i = 0; i < NT_STATUS_CODES.length; i++) {

 * @param <E> Edge parameter type
 */
final class DirectedMultiNetworkConnections<N, E> extends AbstractDirectedNetworkConnections<N, E> {

  private DirectedMultiNetworkConnections(
      Map<E, N> inEdges, Map<E, N> outEdges, int selfLoopCount) {
    super(inEdges, outEdges, selfLoopCount);
  }

  static <N, E> DirectedMultiNetworkConnections<N, E> of() {
    return new DirectedMultiNetworkConnections<>(

 * @param <E> Edge parameter type
 */
final class DirectedMultiNetworkConnections<N, E> extends AbstractDirectedNetworkConnections<N, E> {

  private DirectedMultiNetworkConnections(
      Map<E, N> inEdges, Map<E, N> outEdges, int selfLoopCount) {
    super(inEdges, outEdges, selfLoopCount);
  }

  static <N, E> DirectedMultiNetworkConnections<N, E> of() {
    return new DirectedMultiNetworkConnections<>(

     * Returns the key type if this field is a parameterized {@link Map}.
     *
     * @return the key type if this field is a parameterized {@link Map}, otherwise {@literal null}
     */
    Class<?> getKeyClassOfMap();

    /**
     * Returns the value type if this field is a parameterized {@link Map}.
     *
     * @return the value type if this field is a parameterized {@link Map}, otherwise {@literal null}
     */

     *
     * @return the key type if this property is a parameterized {@link Map}, otherwise {@literal null}
     */
    Class<?> getKeyClassOfMap();

    /**
     * Returns the value type if this property is a parameterized {@link Map}.
     *
     * @return the value type if this property is a parameterized {@link Map}, otherwise {@literal null}
     */

 */
public class OpenIdConnectCredential implements LoginCredential, FessCredential {

    private final Map<String, Object> attributes;

    /**
     * Creates a new OpenID Connect credential.
     *
     * @param attributes the attributes from OpenID Connect provider
     */
    public OpenIdConnectCredential(final Map<String, Object> attributes) {
        this.attributes = attributes;
    }

    @Override

    //                                                                              Source
    //                                                                              ======
    @Override
    public Map<String, Object> toSource() {
        Map<String, Object> sourceMap = new HashMap<>();
        if (boost != null) {
            addFieldToSource(sourceMap, "boost", boost);
        }
        if (createdBy != null) {