GNU GENERAL PUBLIC LICENSE
                                         Version 3, 29 June 2007

                                          Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
                                           Everyone is permitted to copy and distribute verbatim copies
                                            of this license document, but changing it is not allowed.

                                                                        Preamble

                                                                          The GNU General Public License is a free, copyleft license for
                                                                          …may consider it more useful to permit linking proprietary applications with
                                                                          the library.  If this is what you want to do, use the GNU Lesser General
                                                                          Public License instead of this License.  But first, please read
                                                                          <https://www.gnu.org/licenses/why-not-lgpl.html>.