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: mat_comment_handle.m
    path of file: ./repos/PsPM/src/Import/labchart/adi/+adi
    
    the code of the file until where you have to start completion: classdef (Hidden) mat_comment_handle < handle
    %
    %   Class:
    %   adi.mat_comment_handle
    %
    %   NOTE: This class is a quick hack to get the mat file sdk working
    %
    %   This contains a handle that is needed by the SDK to get comments
    %   for a particu
    
function obj = mat_comment_handle(comment_data,is_valid,record_id,tick_dt,trigger_minus_record_start_s)
            %
            %   adi.mat_comment_handle(comment_data,is_valid,record_id,tick_dt)
            
            %NOTE: Only comments for the record are passed in ...
            
            obj.comment_data  = comment_data;
            obj.is_valid      = is_valid;
            obj.record        = record_id;
            obj.tick_dt       = tick_dt;
            obj.n_comments    = length(comment_data);
            obj.trigger_minus_record_start_s = trigger_minus_record_start_s;
        end