A threadgate limits who can reply to a post.
Threadgate data.
The threadgate's CID.
The threadgate's AT URI.
When the threadgate was created.
The post this threadgate is attached to.
Whether users followed by the threadgate author are allowed to reply.
Whether users mentioned in the post are allowed to reply.
Lists whose members are allowed to reply.
Constructs an instance from a ThreadgateView.