Apply Cross Dissolve Between Clips With Scripting

Suppose that I have two clips right next to each other on a track, like this:

Now suppose I want to use a Premiere Pro script to add a cross dissolve transition between those two clips (with a duration of exactly 10 frames), so that I end up with:

How can I do this using ExtendScript?  Is it possible?  If so, can you provide an example?