new (ActionView::Helpers::AssetTagHelper::AssetCollection)

    # File lib/action_view/helpers/asset_tag_helper.rb, line 706
              def initialize(template, controller, sources, recursive)
                # NOTE: The template arg is temporarily needed for a legacy plugin
                # hook. See NOTE under AssetTag#initialize for more details
                @template = template
                @controller = controller
                @sources = sources
                @recursive = recursive
              end