*/
    Metadata read(Reader input, Map<String, ?> options) throws IOException, MetadataParseException;

    /**
     * Reads the metadata from the specified byte stream. The stream will be automatically closed before the method
     * returns.
     *
     * @param input The stream to deserialize the metadata from, must not be {@code null}.
     * @param options The options to use for deserialization, may be {@code null} to use the default values.

        return stream(getPermissions()).get(stream -> stream.filter(s -> s.startsWith(fessConfig.getRoleSearchRolePrefix()))
                .map(s -> s.substring(1))
                .toArray(n -> new String[n]));
    }

    @Override
    public String[] getGroupNames() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

   * unspecified if this method is called more than once on the same instance.
   */
  public HashCode hash() {
    return hasher.hash();
  }

  // Overriding close() because FilterOutputStream's close() method pre-JDK8 has bad behavior:
  // it silently ignores any exception thrown by flush(). Instead, just close the delegate stream.
  // It should flush itself if necessary.

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.app.web.admin.relatedquery;

import static org.codelibs.core.stream.StreamUtil.split;
import static org.codelibs.core.stream.StreamUtil.stream;

import java.util.stream.Collectors;
import java.util.stream.Stream;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.beans.util.BeanUtil;

     * @return true if the OpenSearch file exists
     */
    public boolean hasOpenSearchFile() {
        return osddFile != null;
    }

    /**
     * Returns the OSDD as a stream response.
     *
     * @return the stream response
     */
    public StreamResponse asStream() {
        if (osddFile == null) {

            }
        }
        form.fields.entrySet().stream().filter(e -> e.getValue() != null).forEach(e -> {
            final String key = LaFunctions.u(e.getKey());
            stream(e.getValue()).of(stream -> stream.filter(StringUtil::isNotBlank)
                    .forEach(s -> pagingQueryList.add("fields." + key + "=" + LaFunctions.u(s))));
        });
        form.as.entrySet().stream().filter(e -> e.getValue() != null).forEach(e -> {

        }
    }

    /**
     * Retrieve a stream of the project's artifacts
     */
    private Stream<Artifact> getProjectArtifacts(MavenProject project) {
        Stream<org.apache.maven.artifact.Artifact> artifacts = Stream.concat(
                Stream.concat(
                        // pom artifact
                        Stream.of(new ProjectArtifact(project)),

   *   holdsLock assertions.
   *
   * - For stream() and spliterator(), we have to forward to the delegate ourselves because
   *   ForwardingSet does not forward `default` methods, as discussed in its Javadoc.
   */

  @Override
  public Stream<E> stream() {
    return delegate.stream();
  }

  @Override
  public Spliterator<E> spliterator() {

                        postcard.addReplyTo(fessConfig.getMailReturnPath());
                        if (toAddresses.length > 0) {
                            stream(toAddresses).of(stream -> stream.map(String::trim).forEach(address -> {
                                postcard.addTo(address);
                            }));
                        } else {

     */
    Settings read(Reader input, Map<String, ?> options) throws IOException, SettingsParseException;

    /**
     * Reads the settings from the specified byte stream. The stream will be automatically closed before the method
     * returns.
     *
     * @param input The stream to deserialize the settings from, must not be {@code null}.
     * @param options The options to use for deserialization, may be {@code null} to use the default values.