momo-jun opened a new pull request, #16048:
URL: https://github.com/apache/pulsar/pull/16048
### Modifications
1. Add an import statement to the Java code sample for Oauth2.
2. Correct the system topic name `__transaction_log_${tc_id}` added in
#14795.
The preview looks good.
<img width="1750" alt="image"
src="https://user-images.githubusercontent.com/60642177/173517837-6cfd686f-240b-4997-8b5e-64a3a72d9c7f.png";>
### Documentation
- [ ] `doc`
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