func (e ErasureInfo) ShardSize() int64 {
	return ceilFrac(e.BlockSize, int64(e.DataBlocks))
}

// IsValid - tells if erasure info fields are valid.
func (fi FileInfo) IsValid() bool {
	if fi.Deleted {
		// Delete marker has no data, no need to check
		// for erasure coding information
		return true
	}
	dataBlocks := fi.Erasure.DataBlocks
	parityBlocks := fi.Erasure.ParityBlocks
	correctIndexes := (fi.Erasure.Index > 0 &&

				// Bucket is versioned and no version was explicitly
				// mentioned for deletes, create a delete marker instead.
				vr.ModTime = UTCNow()
				vr.Deleted = true
				// Versioning suspended means that we add a `null` version
				// delete marker, if not add a new version for this delete
				// marker.
				if versioned {
					vr.VersionID = mustGetUUID()
				}
			}
		}

  /** Though this executor service may hold many threads, they are not executed concurrently. */
  private val tasksExecutor = Executors.newCachedThreadPool(threadFactory("TaskFaker"))

  /**
   * True if this task faker has ever had multiple tasks scheduled to run concurrently. Guarded by
   * [TaskRunner.lock].
   */
  var isParallel = false

  /** Number of calls to [TaskRunner.Backend.execute]. Guarded by [TaskRunner.lock]. */

	}

	result.UserDefined = cloneMSS(fi.Metadata)
	return result, nil
}

// ListObjectParts - lists all previously uploaded parts for a given
// object and uploadID.  Takes additional input of part-number-marker
// to indicate where the listing should begin from.
//
// Implements S3 compatible ListObjectParts API. The resulting
// ListPartsInfo structure is marshaled directly into XML and
// replied back to the client.

				sizeS.deleteMarkers++
			}
			if oi.VersionID != "" && sz == actualSz {
				sizeS.versions++
			}
			sizeS.totalSize += sz

			// Skip tier accounting if object version is a delete-marker or a free-version
			// tracking deleted transitioned objects
			switch {
			case oi.DeleteMarker, oi.TransitionedObject.FreeVersion:
				continue
			}
			tier := oi.StorageClass
			if tier == "" {

	signatureMismatchErr := getAPIError(ErrSignatureDoesNotMatch)
	// expected error the when the uploadID is invalid.
	noSuchUploadErr := getAPIError(ErrNoSuchUpload)
	// expected error the part number marker use in the ListObjectParts request is invalid.
	invalidPartMarkerErr := getAPIError(ErrInvalidPartNumberMarker)
	// expected error when the maximum number of parts requested to listed in invalid.

Hojman, Florian Courtial, fo40225, formath, Geoffrey Irving, gracehoney,
Grzegorz Pawelczak, Guoliang Hua, Guozhong Zhuang, Herman Zvonimir DošIlović,
HuiyangFei, Jacker, Jan HüNnemeyer, Jason Taylor, Jason Zaman, Jesse,
Jiang,Zhoulong, Jiawei Zhang, Jie, Joe Yearsley, Johannes Schmitz, Jon Perl, Jon
Triebenbach, Jonathan, Jonathan Hseu, Jongmin Park, Justin Shenk, ******@****.***,