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: test_dss_ecg.m
    path of file: ./repos/fieldtrip/test
    
    the code of the file until where you have to start completion: function test_dss_ecg

% MEM 6gb
% WALLTIME 00:10:00
% DEPENDENCY ft_artifact_zvalue ft_componentanalysis
% DATA public

    
function test_dss_ecg

% MEM 6gb
% WALLTIME 00:10:00
% DEPENDENCY ft_artifact_zvalue ft_componentanalysis
% DATA public

% define 'trl' of example dataset and read in the meg data
cfg         = [];
cfg.dataset = dccnpath('/home/common/matlab/fieldtrip/data/ftp/test/ctf/ArtifactRemoval.ds');
cfg.trialdef.eventtype = 'trial';
cfg     = ft_definetrial(cfg);
cfg.trl = cfg.trl(1:end