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: modelSaveImgToFile.m
    path of file: ./repos/ciatah/@ciatah
    
    the code of the file until where you have to start completion: function obj = modelSaveImgToFile(obj,saveFile,thisFigName,thisFigNo,thisFileID,varargin)
	% Saves the current open figure to a file.
	% Biafra Ahanonu
	% branched from controllerAnalysis: 2014.08.01 [16:09:16]
	% inputs
		%
	% outputs
		%

	% changelog
		% 2021.08.10 [09:57:36] - Updated to handle CIAtah v4.0 switch to all functions inside ciapkg package.
		% 2022.07.28 [17:32:57] - Update PaperPosition to auto to avoid error "Positioning Figure for ResizeFcn.  Set PaperPositionMode to 'auto' (match figure screen size) to avoid resizing and this warning."
		% 2022.09.14 [11:13:12] - Further change to PaperPositionMode to avoid errors.
	% TODO
		%

	import ciapkg.api.* % import CIAtah functions in ciapkg package API.

	%========================
	options.PaperUnits = 'inches';
	options.PaperPosition = [0 0 20 10];
	% get options

    
function obj = modelSaveImgToFile(obj,saveFile,thisFigName,thisFigNo,thisFileID,varargin)
	% Saves the current open figure to a file.
	% Biafra Ahanonu
	% branched from controllerAnalysis: 2014.08.01 [16:09:16]
	% inputs
		%
	% outputs
		%

	% changelog
		% 2021.08.10 [09:57:36] - Updated to handle CIAtah v4.0 switch to all functions inside ciapkg package.
		% 2022.07.28 [17:32:57] - Update PaperPosition to auto to avoid error "Positioning Figure for ResizeFcn.  Set PaperPositionMode to 'auto' (match figure screen size) to avoid resizing and this warning."
		% 2022.09.14 [11:13:12] - Further change to PaperPositionMode to avoid errors.
	% TODO
		%

	import ciapkg.api.* % import CIAtah functions in ciapkg package API.

	%========================
	options.PaperUnits = 'inches';
	options.PaperPosition = [0 0 20 10];
	% get options
	options = getOptions(options,varargin);
	% display(options)
	% unpack options into current workspace
	% fn=fieldnames(options);
	% for i=1:length(fn)
	% 	eval([fn{i} '=options.' fn{i} ';']);
	% end