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As such there are no functional changes at all. It is all about updating existing configsThe below changes arise when we deprecate 2 configs.

1. Deprecate the below two configs in org.apache.kafka.streams.StreamsConfig
   1. default.deserialization.exception.handler
   2. default.production.exception.handler
2. Configs to be added to org.apache.kafka.streams.StreamsConfig
   1. deserialization.exception.handler
   2. production.exception.handler
3. Define 
4. Rename the below template configs
   1. DEFAULT_DESERIALIZATION_EXCEPTION_HANDLER_CLASS_DOC to DESERIALIZATION_EXCEPTION_HANDLER_CLASS_DOC
   2. DEFAULT_PRODUCTION_EXCEPTION_HANDLER_CLASS_DOC to PRODUCTION_EXCEPTION_HANDLER_CLASS_DOC
5. Update all the relevant dependency classes., so that both old and new configs are supported
   1. TopologyConfig 
   2. RecordDeserializer
6. Mark the tests depending on old configs as deprecated and introduce new tests
   1. InternalTopologyBuilderTest
   2. StreamTaskTest

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