Copyright 2019-2025 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