return this;
  }

  @Override
  public T or(Supplier<? extends T> supplier) {
    checkNotNull(supplier);
    return reference;
  }

  @Override
  public T orNull() {
    return reference;
  }

  @Override
  public Set<T> asSet() {
    return Collections.singleton(reference);
  }

  @Override
  public <V> Optional<V> transform(Function<? super T, V> function) {
    return new Present<>(

			return
		}

		if len(acl.AccessControlList.Grants) == 0 {
			writeErrorResponse(ctx, w, toAPIError(ctx, NotImplemented{}), r.URL)
			return
		}

		if acl.AccessControlList.Grants[0].Permission != "FULL_CONTROL" {
			writeErrorResponse(ctx, w, toAPIError(ctx, NotImplemented{}), r.URL)
			return
		}
	}

	if aclHeader != "" && aclHeader != "private" {

     * @return {@link Schema}
     */
    public static Schema newRelaxNgSchema(final Source schema) {
        assertArgumentNotNull("schema", schema);
        return newSchema(SchemaFactoryUtil.newRelaxNgSchemaFactory(), schema);
    }

    /**
     * Generates a {@link Schema} for RELAX NG from a URL.
     *
     * @param schema
     *            URL of the RELAX NG. Must not be {@literal null}.
     * @return {@link Schema}

		}
		events[i] = event
	}
	return events
}

// Eval will return a lifecycle event for each object in objs
func (e *Evaluator) Eval(objs []ObjectOpts) ([]Event, error) {
	if len(objs) == 0 {
		return nil, nil
	}
	if len(objs) != objs[0].NumVersions {
		return nil, fmt.Errorf("number of versions mismatch, expected %d, got %d", objs[0].NumVersions, len(objs))
	}
	return e.eval(objs, time.Now().UTC()), nil

		if err := w.mw.WriteByte(metacacheStreamVersion); err != nil {
			return err
		}

		w.closer = func() error {
			if w.streamErr != nil {
				return w.streamErr
			}
			if err := w.mw.WriteBool(false); err != nil {
				return err
			}
			if err := w.mw.Flush(); err != nil {
				return err
			}
			return s2w.Close()
		}
		return nil
	}
}

    public ColumnInfo columnUrlId() {
        return _columnUrlId;
    }

    public ColumnInfo columnDocId() {
        return _columnDocId;
    }

    public ColumnInfo columnOrder() {
        return _columnOrder;
    }

    public ColumnInfo columnQueryId() {
        return _columnQueryId;
    }

    public ColumnInfo columnQueryRequestedAt() {
        return _columnQueryRequestedAt;
    }

	})
	if err != nil {
		return nil, err
	}
	stream, err := metadata.Algorithm.Stream(key)
	if err != nil {
		return nil, err
	}
	if stream.NonceSize() != len(metadata.Nonce) {
		return nil, sio.NotAuthentic
	}
	return stream.DecryptReader(ciphertext, metadata.Nonce, nil), nil
}

type encryptedObject struct {
	KeyID  string `json:"keyid"`
	KMSKey []byte `json:"kmskey"`

     * @return the command (human) name
     */
    @Nonnull
    String commandName();

    /**
     * Returns the logger to be used during the parsing process.
     *
     * @return the logger instance
     */
    @Nonnull
    Logger logger();

    /**
     * Returns the factory for creating message builders.
     *
     * @return the message builder factory
     */
    @Nonnull

  if (TF_GetCode(status) != TF_OK) return nullptr;

  TFE_OpAddInput(op, value_handle.get(), status);
  if (TF_GetCode(status) != TF_OK) return nullptr;

  num_retvals = 0;
  TFE_Execute(op, nullptr, &num_retvals, status);
  TFE_DeleteOp(op);
  if (TF_GetCode(status) != TF_OK) return nullptr;
  CHECK_EQ(0, num_retvals);

  TF_DeleteStatus(status);

  return var_handle;
}

    arraycopy(second, 0, result, first.length, second.length);
    return result;
  }

  /**
   * Returns a new array that prepends {@code element} to {@code array}.
   *
   * @param element the element to prepend to the front of {@code array}
   * @param array the array of elements to append
   * @return an array whose size is one larger than {@code array}, with {@code element} occupying