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• When will we remove the existing behavior?

4.0N/A

Test Plan

Existing test coverage for the default.dsl.store configuration will be migrated to use the new configuration and ensure that the default behavior can be changed.

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This makes it a little easier for users to reason about as there is only a single config. It also would make it a bit easier to aadd new store implementations going forward without cluttering the DefaultStorePlugin class. The downside is that it is more cumbersome to configure (an enum is easy to remember and clear in the configs - as opposed to a class). The other downside is that there will be a deprecation period where both are active and if users ignore those deprecations they will have compile time errors when we remove the original config.

Add CUSTOM Enum to Existing Config

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