* from the remote peer or cache.
     */
    internal fun addLenient(
      name: String,
      value: String,
    ) = commonAddLenient(name, value)

    fun removeAll(name: String) = commonRemoveAll(name)

    /**
     * Set a field with the specified value. If the field is not found, it is added. If the field is
     * found, the existing values are replaced.
     */

        }

        public boolean addAll(final int index, final Collection<? extends E> c) {
            return parent.addAll(index, c);
        }

        public boolean removeAll(final Collection<?> c) {
            return parent.removeAll(c);
        }

        public boolean retainAll(final Collection<?> c) {
            return parent.retainAll(c);
        }

        public void clear() {

        @Override
        public boolean addAll(final int index, final Collection<? extends E> c) {
            return parent.addAll(index, c);
        }

        @Override
        public boolean removeAll(final Collection<?> c) {
            return parent.retainAll(c);
        }

        @Override
        public boolean retainAll(final Collection<?> c) {
            return parent.retainAll(c);
        }

   * Multiset)}.
   *
   * <p>This method refines {@link Collection#removeAll} to further specify that it <b>may not</b>
   * throw an exception in response to any of {@code elements} being null or of the wrong type.
   */
  @CanIgnoreReturnValue
  @Override
  boolean removeAll(Collection<?> c);

  /**
   * {@inheritDoc}
   *

		// Failed to create newbucket, abort.
		t.Fatalf("%s : %s", instanceType, err.Error())
	}

	// Take 4 disks down, one more we loose quorum on 16 disk node.
	for _, disk := range disks[:4] {
		os.RemoveAll(disk)
	}

	testCases := []struct {
		bucketName    string
		objName       string
		inputData     []byte
		inputMeta     map[string]string
		inputDataSize int64

		// and successfully returns initialized object layer.
		disk := filepath.Join(globalTestTmpDir, "minio-"+nextSuffix())
		erasureDisks = append(erasureDisks, disk)
		defer os.RemoveAll(disk)
	}

	endpoints := mustGetNewEndpoints(0, 16, erasureDisks...)
	_, _, err := waitForFormatErasure(true, endpoints, 1, 0, 16, "")
	if err != errInvalidArgument {
		t.Fatalf("Expecting error, got %s", err)

	defer cancel()

	obj, fsDirs, err := prepareErasurePools()
	if err != nil {
		t.Fatal("Unable to initialize 'Erasure' object layer.", err)
	}
	// Remove all dirs.
	for _, dir := range fsDirs {
		defer os.RemoveAll(dir)
	}

	bucketName := "bucket"
	objectName := "myobject"
	err = obj.MakeBucket(ctx, bucketName, MakeBucketOptions{
		VersioningEnabled: true,
	})
	if err != nil {
		t.Fatal(err)
	}

		if err != nil {
			return nil, err
		}
		prof.stopFn = func() ([]byte, error) {
			pprof.StopCPUProfile()
			err := f.Close()
			if err != nil {
				return nil, err
			}
			defer RemoveAll(dirPath)
			return ioutilx.ReadFile(fn)
		}
	case madmin.ProfilerCPUIO:
		// at 10k or more goroutines fgprof is likely to become
		// unable to maintain its sampling rate and to significantly

    ) = apply {
      headers.add(name, value)
    }

    /** Removes all headers named [name] on this builder. */
    open fun removeHeader(name: String) =
      apply {
        headers.removeAll(name)
      }

    /** Removes all headers on this builder and adds [headers]. */
    open fun headers(headers: Headers) =
      apply {
        this.headers = headers.newBuilder()
      }

				w := xioutil.NewDeadlineWorker(globalDriveConfig.GetMaxTimeout())
				return w.Run(func() error {
					wait := deleteCleanupSleeper.Timer(ctx)
					removeAll(pathJoin(drivePath, minioMetaTmpDeletedBucket, ddir))
					wait()
					return nil
				})
			})
		}(disk)
	}
	wg.Wait()
}