m[xhttp.AmzServerSideEncryptionCustomerAlgorithm] = xhttp.AmzEncryptionAES

	}

	var toRemove []string
	for k := range cleanMinioInternalMetadataKeys(m) {
		if stringsHasPrefixFold(k, ReservedMetadataPrefixLower) {
			// Do not need to send any internal metadata
			// values to client.
			toRemove = append(toRemove, k)
			continue
		}

        List<Range<K>> toRemove = Lists.newArrayList();
        for (Entry<Range<K>, V> entry : entrySet()) {
          if (predicate.apply(entry)) {
            toRemove.add(entry.getKey());
          }
        }
        for (Range<K> range : toRemove) {
          TreeRangeMap.this.remove(range);
        }
        return !toRemove.isEmpty();
      }

      @Override

      if (hasNext()) {
        toRemove = iterator;
        return iterator.next();
      } else {
        throw new NoSuchElementException();
      }
    }

    @Override
    public void remove() {
      if (toRemove == null) {
        throw new IllegalStateException("no calls to next() since the last call to remove()");
      }
      toRemove.remove();
      toRemove = null;
    }

      } catch (UnsupportedOperationException e) {
        Set<K> toRemove = newHashSet();
        for (Entry<K, V> entry : map().entrySet()) {
          if (c.contains(entry.getValue())) {
            toRemove.add(entry.getKey());
          }
        }
        return map().keySet().removeAll(toRemove);
      }
    }

    @Override
    public boolean retainAll(Collection<?> c) {

      } catch (UnsupportedOperationException e) {
        Set<K> toRemove = newHashSet();
        for (Entry<K, V> entry : map().entrySet()) {
          if (c.contains(entry.getValue())) {
            toRemove.add(entry.getKey());
          }
        }
        return map().keySet().removeAll(toRemove);
      }
    }

    @Override
    public boolean retainAll(Collection<?> c) {

		delete(foundDirs, dir)
	}

	// Delete excessive directories.
	// Do not abort on context errors.
	for dir := range foundDirs {
		toRemove := pathJoin(volumeDir, path, dir+SlashSeparator)
		err = s.deleteFile(volumeDir, toRemove, true, true)
		diskHealthCheckOK(ctx, err)
		if err != nil {
			return err
		}
	}

	// Do the same for inline data
	dirs, err := xl.data.list()