public void testRetainAll_duplicatesKept() {
    E[] array = createSamplesArray();
    array[1] = e0();
    collection = getSubjectGenerator().create(array);
    assertFalse(
        "containsDuplicates.retainAll(superset) should return false",
        collection.retainAll(MinimalCollection.of(createSamplesArray())));
    expectContents(array);
  }

  @CollectionFeature.Require(SUPPORTS_REMOVE)

    return CompactHashSet.create();
  }

  /**
   * Returns a new array of the given length with the same type as a reference array.
   *
   * @param reference any array of the desired type
   * @param length the length of the new array
   */
  /*
   * The new array contains nulls, even if the old array did not. If we wanted to be accurate, we

            buffer.putLong(524288L); // Actual free allocation units (512K)
            buffer.putInt(8); // Sectors per allocation unit
            buffer.putInt(512); // Bytes per sector
            byte[] bufferArray = buffer.array();

            // When
            int bytesConsumed = fileFsFullSizeInfo.decode(bufferArray, 0, bufferArray.length);

            // Then
            assertEquals(32, bytesConsumed);

          array[i] = counter.getAndIncrement();
        }
        builder.addAll(ImmutableDoubleArray.copyOf(array));
      }
    },
    ADD_LARGER_ARRAY {
      @Override
      void doIt(ImmutableDoubleArray.Builder builder, AtomicInteger counter) {
        double[] array = new double[random.nextInt(200) + 200];
        for (int i = 0; i < array.length; i++) {
          array[i] = counter.getAndIncrement();

  override fun getLocalCertificates(): Array<Certificate> = throw UnsupportedOperationException()

  override fun getLocalPrincipal(): Principal = throw UnsupportedOperationException()

  override fun getPacketBufferSize(): Int = throw UnsupportedOperationException()

  @Suppress("UNCHECKED_CAST")
  @Throws(SSLPeerUnverifiedException::class)
  override fun getPeerCertificates(): Array<Certificate> =
    if (certificates.isEmpty()) {

    }

    /**
     * Converts a byte array to a hexadecimal string representation.
     *
     * @param src the source byte array to convert
     * @param srcIndex the starting index in the source array
     * @param size the number of characters in the resulting hex string
     * @return a hexadecimal string representation of the byte array
     */

    }

    /**
     * Returns the array of new input character sequences for update operations.
     *
     * @return array of new input sequences, or null if no updates are pending
     */
    public String[] getNewInputs() {
        return newInputs;
    }

    /**
     * Sets the array of new input character sequences for update operations.
     *
     * @param newInputs array of new input sequences to set
     */

          array[i] = counter.getAndIncrement();
        }
        builder.addAll(ImmutableDoubleArray.copyOf(array));
      }
    },
    ADD_LARGER_ARRAY {
      @Override
      void doIt(ImmutableDoubleArray.Builder builder, AtomicInteger counter) {
        double[] array = new double[random.nextInt(200) + 200];
        for (int i = 0; i < array.length; i++) {
          array[i] = counter.getAndIncrement();

  Object[] array;
  ArrayList<Object> arrayList;
  LinkedList<Object> linkedList;

  @BeforeExperiment
  void setUp() {
    array = new Object[size];
    arrayList = Lists.newArrayListWithCapacity(size);
    linkedList = new LinkedList<>();

    for (int i = 0; i < size; i++) {
      Object value = new Object();
      array[i] = value;
      arrayList.add(value);

    }

    /**
     * Sets the command array for user update operations.
     * @param updateCommand The update command array.
     */
    public void setUpdateCommand(final String[] updateCommand) {
        this.updateCommand = updateCommand;
    }

    /**
     * Sets the command array for user deletion operations.
     * @param deleteCommand The delete command array.
     */