You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: gpl.m
    path of file: ./repos/hctsa/Toolboxes/Marwan_crptool
    
    the code of the file until where you have to start completion: function varargout=gpl(varargin);
%
% 		    GNU GENERAL PUBLIC LICENSE
% 		       Version 2, June 1991
% 
%  Copyright (C) 1989, 1991 Free Software Foundation, Inc.
%                        59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
%  Everyone is permitted to copy and distribute verbatim copies
%  of this license document, but changing it is not allowed.

    
function varargout=gpl(varargin);
%
% 		    GNU GENERAL PUBLIC LICENSE
% 		       Version 2, June 1991
% 
%  Copyright (C) 1989, 1991 Free Software Foundation, Inc.
%                        59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
%  Everyone is permitted to copy and distribute verbatim copies
%  of this license document, but changing it is not allowed.
% 
% 			    PREAMBLE
% 
%   The licenses for most software are designed to take away your
% freedom to share and change it.  By contrast, the GNU General Public
% License is intend