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: subsref.m
    path of file: ./repos/spm12/@meeg
    
    the code of the file until where you have to start completion: function varargout=subsref(this,subs)
% SUBSREF Subscripted reference
% An overloaded function...
% _________________________________________________________________________
% Copyright (C) 2008-2013 Wellcome Trust Centre for Neuroimaging

    
function varargout=subsref(this,subs)
% SUBSREF Subscripted reference
% An overloaded function...
% _________________________________________________________________________
% Copyright (C) 2008-2013 Wellcome Trust Centre for Neuroimaging

% Vladimir Litvak, Stefan Kiebel
% $Id: subsref.m 6600 2015-11-12 13:07:41Z christophe $

if isempty(subs)
    return;
end