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: Empty.m
    path of file: ./repos/erplab/studio_functions/GUI Layout Toolbox/layout/+uix
    
    the code of the file until where you have to start completion: function obj = Empty( varargin )
%uix.Empty  Create an empty space
%
%   obj = uix.Empty() creates an empty spac
    
function updateColor( obj )
%updateColor  Set uicontainer BackgroundColor to match Parent

parent = obj.Parent;
if isempty( parent ), return, end
property = getColorProperty( parent );
if ~isempty( property )
    color = parent.( property );
    obj.BackgroundColor = color;
end