Type Alias
A numbered level, or reference material.
The video to open next, or null for a course with no videos.
How many videos the target's module holds, for "Video n of m".
The saved position in the target video, or null when none is saved.
When the learner was last in this course (epoch ms), or null if never.
The prizes of the course's modules that hold videos, in module order.
Everything a course card draws about an enrolled course, already read.