Retrying errors that can never succeed

> Looking into this, passing in the custom Exponential Backoff class is the better approach as mentioned above.
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> As, at SDK level the azure-core SDK isn't aware of exceptions thrown by dependencies/libraries downstream.
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> Handling custom exceptions from other libraries in azure-core will require it to take dependency on external libraries and it will be against its design.
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> Resolving this issue.

_Originally posted by @g2vinay in [#35668](https://github.com/Azure/azure-sdk-for-java/issues/35668#issuecomment-2008086900)_

If not the core sdk then the individual dependencies like the key vault client should have their retry policies enriched with these custom errors that come from azure. I don't think it's the user who should be aware of all of these and provide a manual override as no-one want's a hanging application.