n, err := dst.Write(block[:write])
			if err != nil {
				return 0, err
			}
			totalWritten += int64(n)
			break
		}

		// Copy the block.
		n, err := dst.Write(block)
		if err != nil {
			return 0, err
		}

		// Decrement output size.
		write -= int64(n)

		// Increment written.
		totalWritten += int64(n)
	}

	// Success.
	return totalWritten, nil
}

	defer b.Unlock()

	if b.isFull() {
		if b.store == nil {
			return ErrBatchFull
		}
		// commit batch to store
		if err := b.commit(); err != nil {
			return err
		}
	}

	b.items = append(b.items, item)
	return nil
}

// Len returns the no of items in the batch
func (b *Batch[_]) Len() int {
	b.Lock()
	defer b.Unlock()

	return len(b.items)
}

func (b *Batch[_]) isFull() bool {

  }
}

/** Returns the Content-Length as reported by the response headers. */
internal fun Response.headersContentLength(): Long = headers["Content-Length"]?.toLongOrDefault(-1L) ?: -1L

/** Returns an immutable wrap of this. */
@Suppress("NOTHING_TO_INLINE")
internal inline fun <T> List<T>.unmodifiable(): List<T> = Collections.unmodifiableList(this)

/** Returns an immutable wrap of this. */

        val host = url.host
        return host.substring(1, host.length - 5).lowercase()
      }

      override fun canonicalize(s: String): String = s.lowercase()
    },

    PATH {
      override fun urlString(value: String): String = "http://example.com/a${value}z/"

      override fun encodedValue(url: HttpUrl): String {
        val path = url.encodedPath
        return path.substring(2, path.length - 2)
      }

	if h.Get(xhttp.AmzServerSideEncryption) != xhttp.AmzEncryptionAES {
		return ErrInvalidEncryptionMethod
	}
	return nil
}

// IsEncrypted returns true if the object metadata indicates
// that the object was uploaded using SSE-S3.
func (sses3) IsEncrypted(metadata map[string]string) bool {
	if _, ok := metadata[MetaSealedKeyS3]; ok {
		return true
	}
	return false
}

      }
    }
  }

  Comparator<? super T> comparator() {
    return comparator;
  }

  boolean hasLowerBound() {
    return hasLowerBound;
  }

  boolean hasUpperBound() {
    return hasUpperBound;
  }

  boolean isEmpty() {
    // The casts are safe because of the has*Bound() checks.
    return (hasUpperBound() && tooLow(uncheckedCastNullableTToT(getUpperEndpoint())))

    /**
     * Returns the third value.
     *
     * @return The third value
     */
    public T3 getValue3() {
        return value3;
    }

    /**
     * Sets the third value.
     *
     * @param value3
     *            The third value
     */
    public void setValue3(final T3 value3) {
        this.value3 = value3;
    }

    /**
     * Returns the fourth value.
     *

			errs[i] = bw.Close()
		} else {
			errs[i] = nil
		}
	}
	return errs
}

// Returns hash sum for whole-bitrot, nil for streaming-bitrot.
func bitrotWriterSum(w io.Writer) []byte {
	if bw, ok := w.(*wholeBitrotWriter); ok {
		return bw.Sum(nil)
	}
	return nil
}

// Returns the size of the file with bitrot protection

// TargetIDSet - Set representation of TargetIDs.
type TargetIDSet map[TargetID]struct{}

// IsEmpty returns true if the set is empty.
func (set TargetIDSet) IsEmpty() bool {
	return len(set) != 0
}

// Clone - returns copy of this set.
func (set TargetIDSet) Clone() TargetIDSet {
	setCopy := NewTargetIDSet()
	maps.Copy(setCopy, set)
	return setCopy
}

// add - adds TargetID to the set.
func (set TargetIDSet) add(targetID TargetID) {

	configMu.RLock()
	defer configMu.RUnlock()

	return opts.ReplicationWorkersWait
}

// KeyRotationWait returns the duration for which a batch key-rotation worker
// would wait before working on next object.
func (opts Config) KeyRotationWait() time.Duration {
	configMu.RLock()
	defer configMu.RUnlock()

	return opts.KeyRotationWorkersWait
}

// Clone returns a copy of Config value
func (opts Config) Clone() Config {