LGPLv2

/*
    This file is part of MTProto-proxy Library.

    MTProto-proxy Library is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation, either version 2 of the License, or
    (at your option) any later version.

    MTProto-proxy Library 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.  See the
    GNU Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License
    along with MTProto-proxy Library.  If not, see <http://www.gnu.org/licenses/>.

    Copyright 2014-2018 Telegram Messenger Inc

*/