*
   * <p>If the mapped keys contain duplicates (according to the specified comparator), an {@code
   * IllegalArgumentException} is thrown when the collection operation is performed. (This differs
   * from the {@code Collector} returned by {@link Collectors#toMap(Function, Function)}, which
   * throws an {@code IllegalStateException}.)
   *
   * @since 21.0
   */
  public static <T extends @Nullable Object, K, V>

  /**
   * Returns the value of this hash code as a byte array. The caller may modify the byte array;
   * changes to it will <i>not</i> be reflected in this {@code HashCode} object or any other arrays
   * returned by this method.
   */
  // TODO(user): consider ByteString here, when that is available
  public abstract byte[] asBytes();

  /**
   * Copies bytes from this hash code into {@code dest}.
   *

  }

  /**
   * Returns the entries that were added to the map, so they won't fall out of a map with weak or
   * soft references until the caller drops the reference to the returned entries.
   */
  private List<Entry<Object, Object>> warmUp(
      LoadingCache<Object, Object> cache, int minimum, int maximum) {

    List<Entry<Object, Object>> entries = Lists.newArrayList();

    @SuppressWarnings("CheckReturnValue") // only using super.createSource to create a file
    @Override
    public CharSource createSource(String string) throws IOException {
      super.createSource(string); // just ignore returned CharSource
      return Resources.asCharSource(getFile().toURI().toURL(), UTF_8);
    }
  }

  @AndroidIncompatible
  private abstract static class Jdk7FileFactory {

	Prefix string

	// ContinueAt is the name of the element from where
	// a listing should continue. It allows paginated
	// listings.
	ContinueAt string

	// Limit limits the number of elements returned by
	// a single list operation. If <= 0, a reasonable
	// limit is selected automatically.
	Limit int
}

// CreateKeyRequest is a structure containing fields
// and options for creating keys.

// fs.FileInfo.
// Because fs.FileInfo's Name method returns only the base name of
// the file it describes, it may be necessary to modify the Name field
// of the returned header to provide the full path name of the file.
// If compression is desired, callers should set the FileHeader.Method
// field; it is unset by default.
func FileInfoHeader(fi fs.FileInfo) (*FileHeader, error) {

  // should be maintained throughout the lifetime of a claim. Each
  // ResourceHandle contains data that should be passed to a specific kubelet
  // plugin once it lands on a node. This data is returned by the driver
  // after a successful allocation and is opaque to Kubernetes. Driver
  // documentation may explain to users how to interpret this data if needed.
  //

  }

  public void testAsList_toArray_roundTrip() {
    byte[] array = {(byte) 0, (byte) 1, (byte) 2};
    List<Byte> list = Bytes.asList(array);
    byte[] newArray = Bytes.toArray(list);

    // Make sure it returned a copy
    list.set(0, (byte) 4);
    assertThat(newArray).isEqualTo(new byte[] {(byte) 0, (byte) 1, (byte) 2});
    newArray[1] = (byte) 5;
    assertThat((byte) list.get(1)).isEqualTo((byte) 1);
  }

            if ( log.isDebugEnabled() ) {
                log.debug(String.format("VALIDATE_NEGOTIATE_INFO response code 0x%x", e.getNtStatus()));
            }
            log.trace("VALIDATE_NEGOTIATE_INFO returned error", e);
            if ( ( req.getResponse().isReceived() && req.getResponse().isVerifyFailed() ) || e.getNtStatus() == NtStatus.NT_STATUS_ACCESS_DENIED ) {
                // this is the signature error

    for (int i = 0; i < 10; i++) {
      Future<Integer> future = futures.get(i);
      assertTrue("Task should have been run before being returned", future.isDone());
      assertEquals(i, future.get().intValue());
    }

    assertEquals(10, threadLocalCount.get().intValue());
  }