// TODO(kevinb): understand why we still get a warning despite @SafeVarargs!
    return Arrays.<Predicate<? super T>>asList(first, second);
  }

  private static <T> List<T> defensiveCopy(T... array) {
    return defensiveCopy(Arrays.asList(array));
  }

  static <T> List<T> defensiveCopy(Iterable<T> iterable) {
    ArrayList<T> list = new ArrayList<>();

      return standardRetainAll(collection);
    }

    @Override
    public Object[] toArray() {
      return standardToArray();
    }

    @Override
    public <T> T[] toArray(T[] array) {
      return standardToArray(array);
    }

    @Override
    public String toString() {
      return standardToString();
    }

    @Override
    public boolean equals(@Nullable Object object) {

    @Test
    @DisplayName("getEntries should return empty array when no DFS roots exist")
    void testGetEntries_emptyArray() throws Exception {
        // Create empty DfsEnumArray200
        netdfs.DfsEnumArray200 emptyArray = new netdfs.DfsEnumArray200();
        emptyArray.count = 0;
        emptyArray.s = new netdfs.DfsInfo200[0];

        // Replace the info.e field with our empty array
        setDfsEnumArray(dfsRootEnum, emptyArray);

    }
  }

  protected E[] createSamplesArray() {
    E[] array = getSubjectGenerator().createArray(getNumElements());
    getSampleElements().toArray(array);
    return array;
  }

  protected E[] createOrderedArray() {
    E[] array = getSubjectGenerator().createArray(getNumElements());
    getOrderedElements().toArray(array);
    return array;
  }

        // Change file ID
        byte[] newFileId1 = new byte[16];
        Arrays.fill(newFileId1, (byte) 0xAA);
        request.setFileId(newFileId1);

        // Change flags
        request.setCloseFlags(0x0000);

        // Change file ID again
        byte[] newFileId2 = new byte[16];
        Arrays.fill(newFileId2, (byte) 0xBB);
        request.setFileId(newFileId2);

    }

    /**
     * Validates array is not null and has expected length
     *
     * @param array the array to validate
     * @param expectedLength the expected length
     * @param fieldName the field name for error reporting
     * @throws IllegalArgumentException if array is invalid
     */
    public static void validateArrayLength(byte[] array, int expectedLength, String fieldName) {

            return true;
        });

    }

    /**
     * Retrieves multiple documents by their document IDs.
     *
     * @param docIds Array of document IDs to retrieve
     * @param fields Array of field names to include in the results
     * @param userBean Optional user information for permission checking
     * @param searchRequestType Type of search request for role-based access control

   * they're defined above -- including logic to add and subtract 1 to map between the values stored
   * in the predecessor/successor arrays and the indexes in the elements array that they identify.
   */

            for (int i = 0; i < threadCount; i++) {
                byte[] sig1 = Arrays.copyOfRange(results[i], SIGNATURE_OFFSET, SIGNATURE_OFFSET + SIGNATURE_LENGTH);
                for (int j = i + 1; j < threadCount; j++) {
                    byte[] sig2 = Arrays.copyOfRange(results[j], SIGNATURE_OFFSET, SIGNATURE_OFFSET + SIGNATURE_LENGTH);
                    assertFalse(Arrays.equals(sig1, sig2), "Different inputs should produce different signatures");

        documentList.add(doc2);

        QueryResponseList qrList = new QueryResponseList(documentList, 0, 10, 0);

        Object[] array = qrList.toArray();
        assertEquals(2, array.length);
        assertEquals(doc1, array[0]);
        assertEquals(doc2, array[1]);

        @SuppressWarnings("unchecked")
        Map<String, Object>[] typedArray = qrList.toArray(new Map[0]);