R - Extract users who liked a tweet

I'm trying to find a way to extract all the users who liked a particular post (<1000 users, 1 tweet). I am familiar with R, but limited knowledge of Twitter API.

I'd like to do this in R because it's the programming language I'm most familiar with.

I've looked through the rtweet library, but don't see a way to get usernames of people who've liked a tweet.