[Feature][UDF] Single udf supports multiple classes

[SYG-ATONE]

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• [X] I had searched in the issues and found no similar feature requirement.

Description

Writing multiple classes with a single udf is not supported; If you want to use tool classes to facilitate code management and call, it is not supported now

Use case

Related issues

No response

Are you willing to submit a PR?

• [ ] Yes I am willing to submit a PR!

Code of Conduct

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[leechor]

the temporary solution is that you can try to put these classes as the inner classes.