.stream(new ByteArrayInputStream("file1".getBytes()), 5, -1).contentType("application/octet-stream").build());
        minioClient.putObject(PutObjectArgs.builder().bucket(bucketName).object("dir1/file2.txt")
                .stream(new ByteArrayInputStream("file2".getBytes()), 5, -1).contentType("application/octet-stream").build());

                    }
                }
                stream(groups).of(stream -> stream.forEach(s -> permissionSet.add(systemHelper.getSearchRoleByGroup(s))));
                stream(roles).of(stream -> stream.forEach(s -> permissionSet.add(systemHelper.getSearchRoleByRole(s))));
                permissions = permissionSet.stream().filter(StringUtil::isNotBlank).distinct().toArray(n -> new String[n]);
            }

   */
  @GwtIncompatible // java.io.ObjectOutputStream
  @J2ktIncompatible
  private void writeObject(ObjectOutputStream stream) throws IOException {
    stream.defaultWriteObject();
    stream.writeObject(valueComparator());
    Serialization.writeMultimap(this, stream);
  }

  @CheckForNull
  Comparator<? super V> valueComparator() {
    return emptySet instanceof ImmutableSortedSet

  }

  /**
   * Returns an immutable array containing all the values from {@code stream}, in order.
   *
   * @since 22.0 (but only since 33.4.0 in the Android flavor)
   */
  public static ImmutableIntArray copyOf(IntStream stream) {
    // Note this uses very different growth behavior from copyOf(Iterable) and the builder.
    int[] array = stream.toArray();
    return (array.length == 0) ? EMPTY : new ImmutableIntArray(array);
  }

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

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

import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

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

  /**
   * A collector that converts a stream of zero or one elements to an {@code Optional}.
   *
   * @throws IllegalArgumentException if the stream consists of two or more elements.
   * @throws NullPointerException if any element in the stream is {@code null}.
   * @return {@code Optional.of(onlyElement)} if the stream has exactly one element (must not be

  }

  /** In-memory stream-based implementation of Hasher. */
  private final class BufferingHasher extends AbstractHasher {
    final ExposedByteArrayOutputStream stream;

    BufferingHasher(int expectedInputSize) {
      this.stream = new ExposedByteArrayOutputStream(expectedInputSize);
    }

    @Override
    public Hasher putByte(byte b) {
      stream.write(b);
      return this;
    }

        }
    }

    /**
     * Retrieve a stream of the project's artifacts.
     * Do not include the POM artifact as the file can't be set anyway.
     */
    private Stream<org.apache.maven.artifact.Artifact> getProjectArtifacts(MavenProject project) {
        return Stream.concat(Stream.of(project.getArtifact()), project.getAttachedArtifacts().stream());
    }

        });
    }

    public void test_ofNull() {
        assertEquals(0, (int) StreamUtil.stream().get(s -> s.toArray().length));
        Object[] o = {};
        assertEquals(0, (int) StreamUtil.stream(o).get(s -> s.toArray().length));
        Map<Object, Object> map = new HashMap<Object, Object>();
        assertEquals(0, (int) StreamUtil.stream(map).get(s -> s.toArray().length));
    }

    public void test_ofMap() {

        try {
            final ExtractData extractData = new ExtractData(
                    StreamUtil.stream(getStringsByXPath(document, contentXpath)).get(stream -> stream.collect(Collectors.joining(" "))));
            metadataXpathMap.entrySet().stream().forEach(e -> {
                extractData.putValues(e.getKey(), getStringsByXPath(document, e.getValue()));
            });
            return extractData;