Fei Deng

I have a fix for the `stek_share` plugin now, ~I'll reference a PR once that's ready.~ #11185

[approve ci]

> I don't like the double `vector` implementation. I think it would be reasonable to have the core methods return `TSAction` instead of `TSEvent`, because > > > > *...

@zwoop I think this is ready for another review

[approve ci autest]

@maskit It's ready for another review.