main_folder = {
var simple_folder = ["file", "file", "file"]
var folder_with_subfolders = [
simple_folder,
"file"
]
var folder_with_nested_subfolders = [
simple_folder,
folder_with_subfolders,
"file"
]
return [
simple_folder,
folder_with_subfolders,
folder_with_nested_subfolders,
"file"
]
}