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: Pipeline.m
    path of file: ./repos/BRAPH-2/braph2/src/gui
    
    the code of the file until where you have to start completion: classdef Pipeline < ConcreteElement
	%Pipeline 
    
function getGUIMenuExport(el, menu_export, pe)
			%GETGUIMENUEXPORT sets a figure menu.
			%
			% GETGUIMENUIMPORT(EL, MENU, PE) sets the figure menu export
			%  which operates on the element EL in the plot element PE.
			%
			% See also getGUIMenuImporter, PlotElement.
			
			Element.getGUIMenuExport(el, menu_export, pe);
			
			uimenu(menu_export, ...
			    'Tag', 'MENU.Export.BRAPH2', ...
			    'Label', 'Export BRAPH2 ...', ...
			    'Callback', {@cb_exporter_BRAPH2});
			function cb_exporter_BRAPH2(~, ~)
			    ex = ExporterPipelineBRAPH2( ...
			        'ID', 'Export BRAPH2 Pipeline', ...
			        'PIP', el, ...
			        'WAITBAR', true ...
			        ).get('PUT_FILE');
			    if ~isa(ex.getr('FILE'), 'NoValue')
			        ex.get('SAVE');
			    end