* returned ordering is based on the state of the {@code comparators} iterable at the time it was
   * provided to this method.
   *
   * <p>The returned ordering is equivalent to that produced using {@code
   * Ordering.from(comp1).compound(comp2).compound(comp3) . . .}.
   *
   * <p>The returned object is serializable if each of the {@code comparators} is serializable.
   *

// the appropriate error will be returned.
type Stream struct {
	// responses from the remote server.
	// Channel will be closed after error or when remote closes.
	// All responses *must* be read by the caller until either an error is returned or the channel is closed.
	// Canceling the context will cause the context cancellation error to be returned.
	responses <-chan Response
	cancel    context.CancelCauseFunc

    /**
     * Take in an artifact and return the transformed artifact for locating in the remote repository. If no
     * transformation has occurred the original artifact is returned.
     *
     * @param artifact           Artifact to be transformed.
     * @param request the repositories to check
     */
    void transformForResolve(Artifact artifact, RepositoryRequest request)

// errInvalidRange - returned when given range value is not valid.
var errInvalidRange = errors.New("Invalid range")

// errInvalidRangeSource - returned when given range value exceeds
// the source object size.
var errInvalidRangeSource = errors.New("Range specified exceeds source object size")

// error returned by disks which are to be initialized are waiting for the

	// Write listing to results and saver.
	go func() {
		var returned bool
		for entry := range inCh {
			if !returned {
				funcReturnedMu.Lock()
				returned = funcReturned
				funcReturnedMu.Unlock()
				outCh <- entry
				if returned {
					xioutil.SafeClose(outCh)
				}
			}
			entry.reusable = returned
			saveCh <- entry
		}
		if !returned {
			xioutil.SafeClose(outCh)
		}

  /**
   * Returns an unmodifiable set of all row key / column key / value triplets. Changes to the table
   * will update the returned set.
   *
   * <p>The returned set's iterator traverses the mappings with the first row key, the mappings with
   * the second row key, and so on.
   *
   * <p>The value in the returned cells may change if the table subsequently changes.
   *

   * writer each time it is called.
   *
   * <p>The caller is responsible for ensuring that the returned writer is closed.
   *
   * @throws IOException if an I/O error occurs while opening the writer
   */
  public abstract Writer openStream() throws IOException;

  /**
   * Opens a new buffered {@link Writer} for writing to this sink. The returned stream is not

     * ClosingFuture)}.
     *
     * @param <V1> the type returned by the first future
     * @param <V2> the type returned by the second future
     * @param <V3> the type returned by the third future
     * @param <V4> the type returned by the fourth future
     * @param <V5> the type returned by the fifth future
     * @param <U> the type returned by the function
     */
    public interface ClosingFunction5<

}

var errUnreadByte = errors.New("bytes.Buffer: UnreadByte: previous operation was not a successful read")

// UnreadByte unreads the last byte returned by the most recent successful
// read operation that read at least one byte. If a write has happened since
// the last read, if the last read returned an error, or if the read read zero
// bytes, UnreadByte returns an error.
func (b *Buffer) UnreadByte() error {
	if b.lastRead == opInvalid {

   * returned ordering is based on the state of the {@code comparators} iterable at the time it was
   * provided to this method.
   *
   * <p>The returned ordering is equivalent to that produced using {@code
   * Ordering.from(comp1).compound(comp2).compound(comp3) . . .}.
   *
   * <p>The returned object is serializable if each of the {@code comparators} is serializable.
   *