return (frequency == null) ? 0 : frequency.get();
  }

  // Optional Operations - Modification Operations

  /**
   * {@inheritDoc}
   *
   * @throws IllegalArgumentException if the call would result in more than {@link
   *     Integer#MAX_VALUE} occurrences of {@code element} in this multiset.
   */
  @CanIgnoreReturnValue
  @Override
  public int add(@ParametricNullness E element, int occurrences) {

  void clear();

  /**
   * Removes all associations from this range map in the specified range (optional operation).
   *
   * <p>If {@code !range.contains(k)}, {@link #get(Comparable) get(k)} will return the same result
   * before and after a call to {@code remove(range)}. If {@code range.contains(k)}, then after a
   * call to {@code remove(range)}, {@code get(k)} will return {@code null}.
   */
  void remove(Range<K> range);

        }
        return pipeIn;
    }

    /**
     * Return the <code>OutputStream</code> used to write
     * information to this pipe instance. The act of writing data
     * to this stream will result in response data recieved in the
     * <code>InputStream</code> associated with this Named Pipe
     * instance (unless of course it does not elicite a response or the pipe is write-only).

            public <T extends SmbPipeHandle> T unwrap(Class<T> type) {
                return null;
            }
        }
        assertThrows(ClassCastException.class, () -> {
            OtherPipeHandle result = target.unwrap(OtherPipeHandle.class);
        });

        // Null input: document current behavior (NPE from isAssignableFrom)
        assertThrows(NullPointerException.class, () -> target.unwrap(null));
    }

   */
  RangeSet<C> subRangeSet(Range<C> view);

  // Modification

  /**
   * Adds the specified range to this {@code RangeSet} (optional operation). That is, for equal
   * range sets a and b, the result of {@code a.add(range)} is that {@code a} will be the minimal
   * range set for which both {@code a.enclosesAll(b)} and {@code a.encloses(range)}.
   *

import org.codelibs.fess.opensearch.config.exentity.BadWord;
import org.codelibs.fess.util.ComponentUtil;
import org.dbflute.bhv.readable.EntityRowHandler;
import org.dbflute.cbean.result.PagingResultBean;
import org.dbflute.optional.OptionalEntity;

import com.orangesignal.csv.CsvConfig;
import com.orangesignal.csv.CsvReader;
import com.orangesignal.csv.CsvWriter;

import jakarta.annotation.Resource;

   * (NCR). Any non-ASCII characters appearing in the input will be preserved in the output.
   * Specifically "\r" (carriage return) is preserved in the output, which may result in it being
   * silently converted to "\n" when the XML is parsed.
   *
   * <p>This escaper does not treat surrogate pairs specially and does not perform Unicode
   * validation on its input.
   */

            SmbFile file = new SmbFile("smb1://server/share/file.txt");
            // Without a real connection, getType relies on path parsing.
            // getUncPath0() will result in a path > 1, so it should be TYPE_FILESYSTEM
            assertEquals(SmbFile.TYPE_FILESYSTEM, file.getType());
        }

        @Test
        public void testGetTypeForShare() throws Exception {

   *   Iterator<E> i = queue.iterator(); // Must be in synchronized block
   *   while (i.hasNext()) {
   *     foo(i.next());
   *   }
   * }
   * }
   *
   * <p>Failure to follow this advice may result in non-deterministic behavior.
   *
   * <p>The returned queue will be serializable if the specified queue is serializable.
   *
   * @param queue the queue to be wrapped in a synchronized view

      return expectedCauseType.cast(throwable.getCause());
    } catch (ClassCastException e) {
      e.initCause(throwable);
      throw e;
    }
  }

  /**
   * Returns a string containing the result of {@link Throwable#toString() toString()}, followed by
   * the full, recursive stack trace of {@code throwable}. Note that you probably should not be