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: all_set.m
    path of file: ./repos/spm/matlabbatch/@cfg_choice
    
    the code of the file until where you have to start completion: function ok = all_set(item)

% function ok = all_set(item)
% Return true, if all child items in item.val{:} are set and item specific
% criteria (i.e. number of element in .val) are met. No checks based on

    
function ok = all_set(item)

% function ok = all_set(item)
% Return true, if all child items in item.val{:} are set and item specific
% criteria (i.e. number of element in .val) are met. No checks based on
% the content of item.val are performed here. 
% Content checking is done in the following places:
% * context-insensitive checks based on configuration specifications
%   are performed during subsasgn/setval. This will happen during user
%   input or while resolving depend