ReadonlyenvironmentDomains and services this applet will see, after the user's grants narrowed them.
ReadonlymissingRequired domains the environment does not include. The host should warn before mounting.
ReadonlysandboxAlways allow-scripts. Present so the host cannot forget it.
ReadonlysrcdocVerified bytes with the guard's CSP and the runtime prelude already inserted.
ReadonlysummaryReadonlywindow
Everything needed to put a verified applet on screen. Produced by
planMount, consumed bymountApplet.