tzulitai opened a new pull request #6930: [FLINK-10679] Remove deprecated CompatibilityResult and related classes from framework code URL: https://github.com/apache/flink/pull/6930 ## What is the purpose of the change The main purpose of this PR is the following: 1) The now deprecated `CompatibilityResult` and related classes (such as `CompatibilityUtil` and `UnloadableDummyTypeSerializer`) should no longer leak into Flink's framework code. 2) This requires letting the new `TypeSerializerSchemaCompatibility#resolveSchemaCompatibility` method be the only entry point for compatibility checks. 3) `TypeSerializerConfigSnapshot#resolveSchemaCompatibility` should then serve as the adapter to delegate compatibility checks back to the serializer's `ensureComaptibility` method. ## Does this pull request potentially affect one of the following parts: - Dependencies (does it add or upgrade a dependency): (yes / **no**) - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (yes / **no**) - The serializers: (**yes** / no / don't know) - The runtime per-record code paths (performance sensitive): (yes / **no** / don't know) - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (**yes** / no / don't know) - The S3 file system connector: (yes / **no** / don't know) ## Documentation - Does this pull request introduce a new feature? (yes / **no**) - If yes, how is the feature documented? (**not applicable** / docs / JavaDocs / not documented)
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