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: writeOptionsToHDF5.m
    path of file: ./repos/ciatah/+ciapkg/+hdf5
    
    the code of the file until where you have to start completion: function [output] = writeOptionsToHDF5(varargin)
	% Write options to HDF5, implemented in writeHDF5Data instead.
	% Biafra Ahanonu
	% started: 2014.01.03 [19:13:01]
	% inputs
		%
	% outputs
		%

	% changelog
		% 2021.08.08 [19:30:20] - Updated to handle CIAtah v4.0 switch to all functions inside ciapkg package.

    
function [output] = writeOptionsToHDF5(varargin)
	% Write options to HDF5, implemented in writeHDF5Data instead.
	% Biafra Ahanonu
	% started: 2014.01.03 [19:13:01]
	% inputs
		%
	% outputs
		%

	% changelog
		% 2021.08.08 [19:30:20] - Updated to handle CIAtah v4.0 switch to all functions inside ciapkg package.
	% TODO
		%

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

	%========================
	options.exampleOption = '';
	% 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