Fix #14895 What the Collections.emptyList( ) return is final.
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[x] Make sure there is a GitHub_issue field for the change.
[x] Write a pull request description that is detailed enough to understand what the pull request does, how, and why.
[x] Write necessary unit-test to verify your logic correction. If the new feature or significant change is committed, please remember to add sample in dubbo samples project.
What is the purpose of the change?
Fix #14895 What the Collections.emptyList( ) return is final.
Checklist