gumanoid

Returning `null` instead of `Mono` feels strange. It's impossible for caller to know when method execution is finished without a `Mono` to subscribe for

One more use case for transaction retries is CockroachDB. Retry is [needed](https://www.cockroachlabs.com/docs/v22.1/transactions#transaction-retries) for basically any [transaction](https://www.cockroachlabs.com/docs/v22.1/demo-serializable). There's [example](https://www.cockroachlabs.com/docs/v22.1/demo-serializable) of an aspect around `@Transactional`, but I cannot get it to work...

@mikereiche bean overriding is disabled by default for a good reason, I'm trying to avoid it. Moreover, simply overriding TransactionInterceptor bean won't cover all cases I need - for instance,...