if (occurrences == 0) {
      return count(element);
    }
    checkArgument(occurrences > 0, "occurrences cannot be negative: %s", occurrences);
    int entryIndex = backingMap.indexOf(element);
    if (entryIndex == -1) {
      backingMap.put(element, occurrences);
      size += occurrences;
      return 0;
    }
    int oldCount = backingMap.getValue(entryIndex);

    testRotate(new char[] {'1'}, 0, 0, 1, new char[] {'1'});
    testRotate(new char[] {'1'}, 1, 0, 1, new char[] {'1'});
    testRotate(new char[] {'1'}, 1, 1, 1, new char[] {'1'});

    // Rotate the central 5 elements, leaving the ends as-is
    testRotate(
        new char[] {'0', '1', '2', '3', '4', '5', '6'},
        -6,
        1,
        6,
        new char[] {'0', '2', '3', '4', '5', '1', '6'});
    testRotate(

            dependency.setScope("system");
            try {
                dependency.setSystemPath(new File(
                                "src/test/projects/lifecycle-executor/project-with-additional-lifecycle-elements/pom.xml")
                        .getCanonicalPath());
            } catch (IOException e) {
                throw new RuntimeException(e);
            }

            project.getModel().addDependency(dependency);

    /**
     * Returns a filtered list of class path elements. This method is invoked when the caller
     * requested that all dependencies are placed on the class path, with no module path element.
     *
     * @param scopeFilter a filter returning {@code true} for the artifact scopes to accept
     * @param includeTestDir whether to include the test directory in the classpath elements
     * @return paths of all artifacts placed on the classpath

     *
     * @param config the configuration for this request
     * @param fileId the file identifier for the file to lock
     * @param locks the array of lock elements to apply
     */
    public Smb2LockRequest(final Configuration config, final byte[] fileId, final Smb2Lock[] locks) {
        super(config, SMB2_LOCK);
        this.fileId = fileId;
        this.locks = locks;
    }

          public <T extends @Nullable Object> T[] toArray(T[] array) {
            T[] result = super.toArray(array);
            if (size() < result.length) {
              // It works around a GWT bug where elements after last is not
              // properly null'ed.
              @Nullable Object[] unsoundlyCovariantArray = result;
              unsoundlyCovariantArray[size()] = null;
            }
            return result;

 */
@GwtCompatible
public abstract class ImmutableTable<R, C, V> extends AbstractTable<R, C, V>
    implements Serializable {

  /**
   * Returns a {@code Collector} that accumulates elements into an {@code ImmutableTable}. Each
   * input element is mapped to one cell in the returned table, with the rows, columns, and values
   * generated by applying the specified functions.
   *

   * support concurrent multisets whose content may change while the method is running.
   *
   * <p>The serialized output consists of the number of distinct elements, the first element, its
   * count, the second element, its count, and so on.
   */
  static <E extends @Nullable Object> void writeMultiset(
      Multiset<E> multiset, ObjectOutputStream stream) throws IOException {

      derivedSuites.add(createSubsetSuite(parentBuilder, Bound.INCLUSIVE, Bound.EXCLUSIVE));
    }

    return derivedSuites;
  }

  /**
   * Creates a suite whose set has some elements filtered out of view.
   *
   * <p>Because the set may be ascending or descending, this test must derive the relative order of
   * these extreme values rather than relying on their regular sort ordering.
   */

    }

    @Override
    public @Nullable E peek() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.peek();
    }

    @Override
    public E element() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.element();
    }

    @Override
    public Iterator<E> iterator() {
      // We explicitly don't lock for iterator()
      assertFalse(Thread.holdsLock(mutex));