Archived composition source files and asset references for a single VideoFormat (§11.1).
VideoFormat
Keys in Assets.Approved referenced by this composition.
Assets.Approved
Entry HTML/JS filename within the composition bundle (e.g., 'index.html').
Map of relative file paths to UTF-8 text source contents (HTML, CSS, JS).
Aspect ratio this composition renders.
Archived composition source files and asset references for a single
VideoFormat(§11.1).