Portions Copyright (c) 2014-2017, Dalibo
Portions Copyright (c) 2018, The PoWA-team

Permission to use, copy, modify, and distribute this software and its
documentation for any purpose, without fee, and without a written agreement is
hereby granted, provided that the above copyright notice and this paragraph and
the following two paragraphs appear in all copies.

IN NO EVENT SHALL Dalibo BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL,
INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING OUT OF
THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF Dalibo HAS BEEN ADVISED
OF THE POSSIBILITY OF SUCH DAMAGE.

Dalibo SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND Dalibo HAS NO
OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR
MODIFICATIONS.

Contributors to pg_stat_kcache:

  * Thomas Reiss
  * Julien Rouhaud
  * Guillaume Lelarge
  * Ronan Dunklau
  * Maël Rimbault
  * Alain Delorme
  * Jean-Sébastien Bacq
  * edechaux
