NotLebedev opened a new pull request, #3315:
URL: https://github.com/apache/fory/pull/3315

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   ## Why?
   
   Fix `EnumSetSerializers` for enums that have overriding methods in vairants:
   
   ```java
     enum TestEnumWithMethods {
       A {
         @Override
         public void foo() {
             System.out.println("A");
         }
       },
       B,
       C {
         @Override
         public void foo() {
         }
       },
       D;
   
       public void foo() {
           System.out.println("default");
       }
     }
   ```
   
   ## What does this PR do?
   
   `EnumSetSerializer` now correctly unwraps types of variants that extend base 
enum type. Doing it this way instead of writing class of variant and unwrapping 
it in read prevents writing additional classes for enum variants.
   
   ## Related issues
   
   - Fixes #3306
   
   ## Does this PR introduce any user-facing change?
   
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   - [ ] Does this PR introduce any public API change?
   - [x] Does this PR introduce any binary protocol compatibility change?
   
   This PR changes class of contained enum that `EnumSetSerializer` writes. 
Instead of writing class of enum variant if this variant extends base enum 
class it always writes class of base enum. This however does not break any 
existing code since previously `EnumSet`s of classes with overriding methods 
could not be deserialized at all
   
   ## Benchmark
   
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will have an impact on performance, you can submit the PR first, and if it will 
have impact on performance, the code reviewer will explain it), be sure to 
attach a benchmark data here.
   
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