Copyright 2019-2023 Parity Technologies (UK) Ltd.

This program is free software: you can redistribute it and/or modify
it under the terms of (at your option) either the Apache License,
Version 2.0, or the GNU General Public License as published by the
Free Software Foundation, either version 3 of the License, or (at your
option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

For details and specific language governing permissions and
limitations, see either

 - http://www.gnu.org/licenses/ for the GNU GPL
 - http://www.apache.org/licenses/LICENSE-2.0 for the Apache license