This is free software; you can redistribute it and/or modify it under
the same terms as Perl itself, either:
    a) the GNU General Public License as published by the Free Software
       Foundation; either version 1, or (at your option) any later version, or
    b) the Artistic License, version 2.0.
You should have received a copy of the Artistic License with this
distribution, in the file named "Artistic". If not, you can obtain a copy at:
    https://www.perlfoundation.org/artistic-license-20.html
If you prefer to use the GNU General Public License, you should have
received a copy of the GNU General Public License along with this program.
If not, see <https://www.gnu.org/licenses/>.