I'm a little confused about how [PITR](https://developers.cloudflare.com/durable-objects/api/sqlite-
I'm a little confused about how PITR works. The API says
Assuming it returns a promise, how can I guarantee the bookmark I get is accurate?
getCurrentBookmark() and getBookmarkForTime() return a Promise<string>, but the example right below it shows it being used without a promise:Assuming it returns a promise, how can I guarantee the bookmark I get is accurate?